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[Q] Asus TF101 won't turn on if it is not plugged in

Hello community, my asus tf101 only turns on if it is plugged it to charger, be it PC or wall.
I have read many threads regarding the problems with the power button but i really don't think that is my case. Because if it is ON, a normal touch of the button puts it to sleep, and a normal touch puts it back on. But if i keep it pressed and turn it off, it will not turn on unless i connect it.
If i connect it, the tablet automatically turns on, and if i turn it off and leave it connected, i have no problems to turn it back on.
I have booted into cwm recovery and did the Key Test, and every key works normal, pressing vol+ or vol-, pwr, will print the key that was pressed.
I have cleared the battery stats, cache, dalvik, i did a complete reset, but its not working.
It only turns on if it is connected, i have tried vol- and pwr, also keeping pwr for 20 sec, 15 sec, 30 sec, 1 min, etc and nothing.
Is anyone else is having this same problem?
Any solutions?
Thank you

That is weird. Sometimes I find the power button on mine a bit wonky. But, usually to cold start it, I press and hold the power button for about 2 seconds and it comes right on.
Sorry, I have no suggestion.

Currently having this problem. Manually turned it off to enter CWM manually, and i can't boot to anything, no matter how long i hold the button. Just black. I don't have my cable here to see if it will boot. Guess I'll have to wait til morning.

How long are you holding for? Sometimes...i have to press for 10 seconds or more.

SiNJiN76 said:
How long are you holding for? Sometimes...i have to press for 10 seconds or more.
Click to expand...
Click to collapse
I have tried with 5 sec, 10 sec, 15 sec, 20 sec, 30 sec, and then like more than 1 minute and nothing man :S
The button works great if it is on, and it works great at CWM, i really don't think that its the pwr button fault, but have tried the solutions for the deep sleep, even the boot with vol- and pwr , nothing man

So if its plugged in and on, and you unplug it, does it turn off?

Cloudsnightmare said:
So if its plugged in and on, and you unplug it, does it turn off?
Click to expand...
Click to collapse
No, it continues using the battery.
And the battery discharges normally. It just does not turn on if unplugged ;$
Sent from my E15i using Tapatalk

rdoggsv said:
No, it continues using the battery.
And the battery discharges normally. It just does not turn on if unplugged ;$
Sent from my E15i using Tapatalk
Click to expand...
Click to collapse
Exact same here . What the heck Asus?
Sent from my Galaxy Nexus using xda premium

artvandelay440 said:
Exact same here . What the heck Asus?
Click to expand...
Click to collapse
Same here. I had RMA with ASUS about this problem. ASUS Service Center has damaged my tablet and I had another RMA to repair and now...I have same issue again. I has updated my service ticket and now I waiting ASUS reply.

ddv2005 said:
Same here. I had RMA with ASUS about this problem. ASUS Service Center has damaged my tablet and I had another RMA to repair and now...I have same issue again. I has updated my service ticket and now I waiting ASUS reply.
Click to expand...
Click to collapse
Please report back how it went for you, i'm considering doing the RMA, but not sure since many people reports that when ASUS fixes something either it goes worst or it fails again in a very short time

rdoggsv said:
Please report back how it went for you, i'm considering doing the RMA, but not sure since many people reports that when ASUS fixes something either it goes worst or it fails again in a very short time
Click to expand...
Click to collapse
Sure. Two day ago I send it to California Service Center. Usually it serviced in TX but tablet was broken in TX service center and I don't want to send it again same service center.

I'm having a very similar problem, but if I unplug the tab while it's on, it turns off now. It won't turn back on unless plugged in to a computer or the outlet.

Same here
My friend's Transformer will no longer boot up unless the dock or power adapter is connected after installing a custom ROM. He had the same issue when he had 1st bought a Transformer (all stock) and had got it replaced. This replacement unit was functioning fine (everything stock, no root) until I installed CWM/ICS etc. any bright ideas?
Btw, since this is the second time that this issue is happening to my friend, I'm wondering how a google search for the issue brings up almost zero direct results? Must be because of the dozens of no boots at all issues...

rdoggsv said:
Please report back how it went for you, i'm considering doing the RMA, but not sure since many people reports that when ASUS fixes something either it goes worst or it fails again in a very short time
Click to expand...
Click to collapse
Send it to California at 3/2/2012 but today I got an email:
We will process your Transformer SN: BXXXXXX Model TF101 under new Rma No=USGXXXXXX by re-shipping it to our correct repair center in Texas.
We received this unit under original RMA # USAXXXXX which was sent to our wrong repair center in Fremont California.
Click to expand...
Click to collapse
I called to ASUS and spoke with supervisor. He told that replacement not available now and ASUS will resend it to TX for "repair". OK. I just file complaint to BBB and Attorney General but I found that ...BBB has ALERT on ASUS:
We have identified a pattern of complaints concerning customer service and service issues. Complaints processed by the BBB claim that 1) products sent to the company for repairs are still not working properly when returned to the consumer.
2) Customers calling the company are asked to call back or told they will receive a call back and in many cases don't.
BBB asked the company to respond to the pattern but has received no reply to our request.
Click to expand...
Click to collapse
This means that ASUS did not care at all. BBB has 674 complaints on ASUS service.
Dmitry

Hi,
I got replacement week ago and IT HAVE SAME PROBLEM (some times it wont wake up)!!! More that, I can't use wifi with WZR-HP-G450H router(every several seconds connection is freezing). I CAN'T USE MY TABLE AT ALL!!!
At the day before replacement was sent from ASUS I called to ASUS Customer service and representative rep told me that my replacement is testing for WIFI problems. I guess that this tablet was returned by another customer with WIFI problems and ASUS did some tests (and not found WIFI problems) before send it to me. My old TF101 worked fine with same router.
Now I am planning to make 2 videos with problems and post it every where and the I want to sue ASUS to return my money.
Dmitry

Same intermittent problem here too, usually it's fine but sometimes no charger = no boot.

Hello,
just for the record, I have an Asus Transformer with is showing the same issue.
It's stock and updated to the last FOTA release. Never rooted and never installed a custom ROM.
The power button works correctly when the tablet is on.
(P.S.: I haven't wiped since the HC -> ICS upgrade.)

Same problem:
Always turns on when in dock.
Always turns on when plugged in to charger.
Never turns on when out of dock with no external power.
Always keeps running when powered on and then removed from power source (including sleep and wake up).
I sent a request to ASUS support. The first response was to take it to a repair facility. I told them that's not going to happen since this is obviously not a hardware problem and I didn't want my tablet gone for 2+ weeks. The next response was to reinstall the OS. I'm still thinking about that one (maybe to Honeycomb?).
This happened near the time of one of the revisions to ICS (it worked fine with the initial ICS). We just got another firmware revision a few days ago, but that did nothing to end this problem.
I would be very interested to see if anybody determines what the problem is. I've tried removing apps that seem like they might have something to do with it, but no luck.
Good luck to everybody.

I'm having the same problem as of this morning.
Power button turns the screen on and off with no problem during normal use. It also works just fine to shut down the tablet, but I can only turn it back on by plugging it in.
I don't know if it's related, but I had just done 3x Factory resets to clear out any wifi settings as I've been struggling to connect it to the school's wifi. I think that problem is the school though.
Hopefully Asus will put out a fix soon. I tried calling their Tech Support, but they just want to repair it... again. (Had it in twice because it wouldn't charge, but would transfer files across USB).

Has anybody tried to downgrade to either the initial version of ICS (as I remember there was no power-on problem with that) or to Honeycomb?
I'm starting to research the procedure to do that, but would rather not be the pioneer.

[Q] Black screen after FW Upgrade, only vibrates.

Hello!
I just received my Infinity and started working on it, since there was a new Firmware available I downloaded and installed it.
When done it said "shutting down" and turned the Infinity off.
And this is were the trouble began .. since the last few hours I am trying to get it to work again but nothing seems to work.
Pressing the reset button with a paperclick won't work.
Volume down + Power only lets the Tablet vibrate after 10-12 seconds
Pressing power for 20 seconds (ASUS suggested this..) does the same thing.
with/without A/C Charger or docking station same thing, I get absolutely nothing on the screen.
When plugging it in via USB I get the APX mode.
Is there anything I can do at all? I don't want to send it back of course and thought APX Mode will maybe help me install and / fix something "blind" since I think the issue might be related to the Firmware upgrade..
Thanks in advance

Read this thread [How-To] All-In-One Guide For Asus Infinity (TF700) [24/09/2012] if you haven't already and you should be able to fix it.
Cheers Q

Quozl said:
Read this thread [How-To] All-In-One Guide For Asus Infinity (TF700) [24/09/2012] if you haven't already and you should be able to fix it.
Cheers Q
Click to expand...
Click to collapse
I did try the button combinations, and for NVFlash it says: THIS REQUIRES A NON-BRICKED AND UNLOCKED DEVICE. IT WON'T WORK ON ALREADY BRICKED DEVICES
Well.. I think mine already could be bricked, and I can't unlock it by installing the apk

If pressing Volume Down +Power only give you a black screen and not even the Asus logo it means you are bricked (could also be a hw failure, who knows) ... APX mode is useless for your device. So if u can't manage to boot into recovery or in fastboot mode i would recommend you to start the RMA process.

Pretoriano80 said:
If pressing Volume Down +Power only give you a black screen and not even the Asus logo it means you are bricked (could also be a hw failure, who knows) ... APX mode is useless for your device. So if u can't manage to boot into recovery or in fastboot mode i would recommend you to start the RMA process.
Click to expand...
Click to collapse
Nope nothing, doesn't matter if I press up/down + power for how long all I get is a 1 second vibrate after 10-12 seconds, with or without the Volume keys.
Pad is charged, same with A/C, when I try without the LED next to the power doesn't even turn on
Pressing the reset with a paperclip won't work either as stated so I guess it really is a brick...
How can a official Firmware Upgrade brick a device? I'm not new to Android and already own 3 HTC's all rooted and stuff but I never came across something like this ..

A few Things you can still try to recover the Infinty
Dude, that absolutely SUCKS! I would be so disappointed / angry if I were in your position, especially having the tablet for a short time. It DOES sound like a hardware failure (video seems out, but it's almost as if the tablet is running dark, and you just have no video. Can you return it to the retailer you bought it from? That would be 1000% better than an RMA, which is another thing that Asus does extremely poorly (They use a 3rd Part servive out of Grapevine Texas, and in MOST cases it is a nightmare. I don't understand why you can't bring/send it back to the point of purchase. You are not requesting arefund, just exchange for defective tblet.
As a last resort, do this: RUN THE BATTERY FULLY DOWN. Do not put the charge on, and keep checking if the tablet is powered on (touch the power button quickly, like you are taking it out of sleep mode. This could take the better part of a full day/night, but if you run it until the battery fully discharges, I remember a Prime user that this saved the day. It certainly is worth the effort, considering the alternatives.
Once it fully runs down, plug in the charger, and it should power up / begin charging and you will know in two seconds if it worked cause that Asus Logo will be the greatest site you will have seen in some time.
Oh, and something you can try before beginning that long process: I know you have already tried most reset methods, but humor me and put a pin in the reset hole - by HDMI, but instead of just pressing it briefly, press and hold for a FULL 30 + seconds. Some swear this changes the parameters, thiugh I am doubrtfull. More significant was mention that while holding the microswitch in, there is a "draining" happening of the memory onboard. I half belive it because years ago, I had an old HP Jornada Pocket PC, and one of the recovery procedures was remove the backup battery, and wait some inutes for a drain of memory to occur. You could SEE the LCD fading, like losing contrast super slowly. When it went completely blank was whenI was instructed to re-power up.
So try the reset pinhole for 30+ seconds
failing that, try a full battery drain
failing that try to return to point of sale
failing that do a shudder RMA with Asus. (Reach out to Gary Key - his PM and Email are listed in these forums. That way at least you will have a point of contact, and he may provide you with others. Good luck I feel for ya, especially with JB almost upon us! :cyclops:

Yosaku said:
Nope nothing, doesn't matter if I press up/down + power for how long all I get is a 1 second vibrate after 10-12 seconds, with or without the Volume keys.
Pad is charged, same with A/C, when I try without the LED next to the power doesn't even turn on
Pressing the reset with a paperclip won't work either as stated so I guess it really is a brick...
How can a official Firmware Upgrade brick a device? I'm not new to Android and already own 3 HTC's all rooted and stuff but I never came across something like this ..
Click to expand...
Click to collapse
Your are not the only one, afaik other users bricked their devices just by updaing with official firmware.However i'm a bit confused about that "shutting down" message and iirc the device only does a "restart" when updating,it doesn't shutdown.

Hi!
Thanks for the long reply
I tried holding the reset for more than 30 seconds, as I thought it did not help.
Any Tipps on how to drain the battery if I can't even turn it on? It vibrates after 10 seconds but I don't think that will drain much of the battery..
As for the RMA:
I won't do it via ASUS, they told me to but hell no.
Bought it from Amazon and already contacted them, I'll send it back when I get the confirmation they won't do an ASUS RMA, if they do want I just get my money back and buy a new one lol. Either way it is faster than Asus..
/edit
I wondered about the shutdown too and even waited quite some time after it went black because I thought it would boot back again, but well.. it did not
Thanks again!

Yosaku said:
Hi!
Thanks for the long reply
I tried holding the reset for more than 30 seconds, as I thought it did not help.
Any Tipps on how to drain the battery if I can't even turn it on? It vibrates after 10 seconds but I don't think that will drain much of the battery..
As for the RMA:
I won't do it via ASUS, they told me to but hell no.
Bought it from Amazon and already contacted them, I'll send it back when I get the confirmation they won't do an ASUS RMA, if they do want I just get my money back and buy a new one lol. Either way it is faster than Asus..
Thanks again!
Click to expand...
Click to collapse
Put it in APX mode and it will drain your battery.Btw are you sure the battery was charged enough when you updated?

Yosaku said:
Hi!
Thanks for the long reply
I tried holding the reset for more than 30 seconds, as I thought it did not help.
Any Tipps on how to drain the battery if I can't even turn it on? It vibrates after 10 seconds but I don't think that will drain much of the battery..
As for the RMA:
I won't do it via ASUS, they told me to but hell no.
Bought it from Amazon and already contacted them, I'll send it back when I get the confirmation they won't do an ASUS RMA, if they do want I just get my money back and buy a new one lol. Either way it is faster than Asus..
Thanks again!
Click to expand...
Click to collapse
I will try to find the thread - but check in the Prime threads - search for screen black, no video etc. The guy(s) that did it said that they just kept turning it on.. or touching the power switch - I know that's not too detailed. Here's the thing: a vibrate is what the tablet does NORMALLY when powering up... I think your may be running, you just can't see it. The only clues you can get are from the LED in the power button. Green means something like 95% charged. Amber means less that 14% and blinking amber (with no power supply attached means it is within the last few percent - Those are ballpark figures, you can find the full LED color descriptions with a bit of searching. Anyway it is you only indicator so, finding out waht the colors mean might help you in the discharging process.
Pretoriano80 said:
Put it in APX mode and it will drain your battery.Btw are you sure the battery was charged enough when you updated?
Click to expand...
Click to collapse
EDIT: JUST NOTICED you said this is from Amazon. If that's the case, you have no worries. Amazon replaces items faster/better than any other retailer. In fact Amazon will cross ship you a new one and you can return this after receiving the new one - at least that's how they did it with my TF101... two times. On the third exchange, they try to refund you and make you purchase it again, but I complained that it was not the SAME problem each time (this was on the docks) and they went ahead and sent me a 3rd one. Just go ahead and do that. You probably would be better off with a different one, but check it CAREFULLY for defects. I am convinced that these are near impossible for Asus to build without screwing up something - Screen separation (viewed from the edge), scratches, poor cutout/application of the Logo (My daughter actually bled from a cut it gave he -sharp edges) and the INFAMOUS Loose Screen, "Clicking" sound - squeeze the tablet gently all the way around. if it clicks or makes any grinding noises return it. For $500 any defect is unacceptable. Good luck!
Good idea. I also wondered about his state of charge while updating...

Pretoriano80 said:
Put it in APX mode and it will drain your battery.Btw are you sure the battery was charged enough when you updated?
Click to expand...
Click to collapse
Yes, it was even plugged in
SmartAs$Phone said:
I will try to find the thread - but check in the Prime threads - search for screen black, no video etc. The guy(s) that did it said that they just kept turning it on.. or touching the power switch - I know that's not too detailed. Here's the thing: a vibrate is what the tablet does NORMALLY when powering up... I think your may be running, you just can't see it. The only clues you can get are from the LED in the power button. Green means something like 95% charged. Amber means less that 14% and blinking amber (with no power supply attached means it is within the last few percent - Those are ballpark figures, you can find the full LED color descriptions with a bit of searching. Anyway it is you only indicator so, finding out waht the colors mean might help you in the discharging process.
Good idea. I also wondered about his state of charge while updating...
Click to expand...
Click to collapse
Thing is, even when it vibrates the LED is always off, only when I plug it in for charging it turns orange.
I will try the APX method Just plug it in to the PC and when the "can't find driver" message pops up it's in APX? Or do I have to install the drivers first?

Yosaku said:
Yes, it was even plugged in
Thing is, even when it vibrates the LED is always off, only when I plug it in for charging it turns orange.
I will try the APX method Just plug it in to the PC and when the "can't find driver" message pops up it's in APX? Or do I have to install the drivers first?
Click to expand...
Click to collapse
You don't need the PC at all, just put it in APX mode and let it be. The led turns on only when you plug the charger.
Edit: btw, you will know if it's in APX mode because even if the screen is off the device will get warm.

Pretoriano80 said:
You don't need the PC at all, just put it in APX mode and let it be. The led turns on only when you plug the charger.
Click to expand...
Click to collapse
Oh ok, since the only thing it does is vibrate I don't know if it is in APX Mode .. and it vibrates not after 5 seconds even when I press the volume up, but after ~10 seconds

Yosaku said:
Oh ok, since the only thing it does is vibrate I don't know if it is in APX Mode .. and it vibrates not after 5 seconds even when I press the volume up, but after ~10 seconds
Click to expand...
Click to collapse
Indeed it takes 10 seconds before it gets in APX mode.

Pretoriano80 said:
Indeed it takes 10 seconds before it gets in APX mode.
Click to expand...
Click to collapse
Ok .. I think it is in APX now ... I need to head out for a few hours anyway so wish me luck!
And thanks for your help so far

Maybe that is why they pushed the release back. Because they found it was bricking devices, lol. That sucks, tho, man. Good thing you bought it recently enough to send it back with Amazon. I wouldn't even bother with anything else and just sent it back.

Maybe....you could see what's going on if you connected it to the TV/Monitor on the HDMI port....

Soo I'm back!
It is still vibrating, so the battery is not empty yet ;(
I thought about the HDMI too but I don't have a mini-HDMI adapter.
Anyway it is Saturday and I might send it back today ... although I am usually not giving up till I fix something I guess their might be nothing else left.
Thanks so much for your support so far

SmartAs$Phone said:
if it clicks or makes any grinding noises return it. For $500 any defect is unacceptable. Good luck!
Click to expand...
Click to collapse
500$ ?? Wow ... I am actually thinking about getting one from the US! These things cost around 900$ with Dockingstation in Germany .. way to rip off people oO
Getting off Topic I know, just wanted to mention

Yosaku said:
Soo I'm back!
It is still vibrating, so the battery is not empty yet ;(
I thought about the HDMI too but I don't have a mini-HDMI adapter.
Anyway it is Saturday and I might send it back today ... although I am usually not giving up till I fix something I guess their might be nothing else left.
Thanks so much for your support so far
Click to expand...
Click to collapse
Ok another trick and it involves some luck. IF its on and you power it off you get a very,very short vibration (it's hard to feel it sometimes) and then you normally see a confirmation box appear in the middle of the screen asking you "Would you like to shut down?". Then you either tap Cancel or OK. Using your "minds eye" try to imagine where that box is on that black screen and tap it where you would to answer the question "OK". If you have any luck the damn thing will shut off and in ~8 seconds you'll feel a longer vibration indicating it turned off. Then DO NOT turn it on. Instead plug in the power adapter and let it power on and see if that puts your video back up.
I'm just wondering if the cable to the screen inside has popped off the main board. I know i've read about that happening but it usually occurs after a pretty good jolt to the unit.

[Q] TF700 Will Not power up after battery drain

I was using my TF700 readng a novel when I got a warning about low battery, connect to charger. I did not immediately respond to the warning and the tablet shut off, I ASSUME because of low power. I hooked it up the the charger overnight and the next morning could not get it to boot up. The power indicator is green. I have tried a long hold of the power button, the power button with the up/down volume button, and pressing the reset button. Still nothing on the screen, no vibration, no nothing. I read on another thread where someone said to plug it into an HDMI tv. There is no output from the HDMI port either.
When I connect it to my computer, it is not recognized.
I called ASUS and they have issued a RMA, but tell me I will have to pay because I unlocked the tablet. I did unlock and am (was) running CleanRom 3.4.1 DEODEX. Anything else I can try befoe biting the bullet and shipping it off to ASUS? This tablet is only a month old.
Thanks for any suggestions.
C_K

Hi cloverkid!
Have you found a soulution for your problem?
I have an similar problem. I installed ubuntu 12.10 beside cyanogenmod 10.1. During the installation I fall asleep. The next morning I startet the tablet and booted into ubuntu. After I clicked enter the screen went black. Since then nothing funktions. Only the charging LED is orange or green after charging.
I hope anyone is having a solution. If not, I will send it to ASUS.

Mr.Blub said:
Hi cloverkid!
Have you found a soulution for your problem?
I have an similar problem. I installed ubuntu 12.10 beside cyanogenmod 10.1. During the installation I fall asleep. The next morning I startet the tablet and booted into ubuntu. After I clicked enter the screen went black. Since then nothing funktions. Only the charging LED is orange or green after charging.
I hope anyone is having a solution. If not, I will send it to ASUS.
Click to expand...
Click to collapse
I couldn't get anything to work, so I went ahead and sent it in to ASUS after getting an RMA and being told I might have to pay for the repair because of the unlocked bootloader. Got an email Friday that it was being shipped out FEDEX, didn't say anything about a charge. I am waiting for a deliver in the next couple of days.
Good Luck
C_K

What have you wrote in the description as your sent it in?

Mr.Blub said:
What have you wrote in the description as your sent it in?
Click to expand...
Click to collapse
I called ASUS tech support, they went through some diagnostics (power on for 30+ seconds, power and vol. up, power and vol. down. It would not boot (I already knew that). They asked asked for serial number and gave RMA with the warning about the unlocking.
I shipped to them, and now I'm waiting for the return.
Now I'm waiting on FEDEX
C_K

Same happened here. Sent to asus today... the tablet don't even light up the led... Have you already received any feedback from them?

Chesterblue137 said:
Same happened here. Sent to asus today... the tablet don't even light up the led... Have you already received any feedback from them?
Click to expand...
Click to collapse
Got it back via fedex yesterday. Looks like everything is working good.
AND NO CHARGE!
C_K

cloverkid said:
Got it back via fedex yesterday. Looks like everything is working good.
AND NO CHARGE!
C_K
Click to expand...
Click to collapse
Really? that seems nice Hope that happens with me as well

Spoke too soon. The unlock apk does not work. Says network error. Called ASUS, they said network if fine, we don't support unlocking...Too bad.
Last time I ever buy an ASUS product. If I wanted to be locked in I'd have swallowed the APPLE kool-aide.
C_K

It isn't unlocked? they installed the stock rom there?

Chesterblue137 said:
It isn't unlocked? they installed the stock rom there?
Click to expand...
Click to collapse
It isn't unlocked and the unlocked apk won't work. I got a note from another board telling me that the motherboard was probably switched out and now the id of the CPU doesn't match the serial number that was on file with ASUS....S U C K S
"They probably switched the motherboard. This means that the CPU ID doesn't match the serial number anymore, which means that the unlock app can't get the correct unlock token. It can also mean that your device don't get any OTA firmware updates..."
C_K

[Q] Nexus 5 constantly rebooting at 'Google'

Guys my gf's Nexus 5 shutdown today and just refuses to boot up. It doesn't do anything with any of the keys pressed in any of the combinations that are defined. But once it is plugged in to the charger or USB, the google logo pops up and the phone keeps on rebooting to that logo. If the volume down key is pressed when this is happening, the fastboot mode is visible for a second and the phone keeps rebooting. No action can be done in the fastboot mode due to the quick reboot. I am attaching the video of the problem. Any help guys?
http://youtu.be/FEixpssggCY

What if you boot it pressing vol up + vol down + power?
Sent from my Nexus 5 using XDA Premium 4 mobile app

J.Diogo said:
What if you boot it pressing vol up + vol down + power?
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
If on battery, then the phone does nothing. If plugged in to charger and the key combination is tried then the phone keeps on doing as shown in the video.

Don't know what's going on.
Try doing that but with the phone connected to a PC that has adb and fastboot installed.
Sent from my Nexus 5 using XDA Premium 4 mobile app

I would leave the phone plugged in for an hour and don't touch it. Then try.
Trust me.

1ManWolfePack said:
I would leave the phone plugged in for an hour and don't touch it. Then try.
Trust me.
Click to expand...
Click to collapse
Tried that already. No change. Any other ideas?

steelbreeze said:
Tried that already. No change. Any other ideas?
Click to expand...
Click to collapse
You have a fauilty or a stucked power key.
If it is just stucked then you can unstuck it by abusing the power key or taking the phone apart.
If it is fauilty then you have to claim your warranty.
If you disassemble the phone you will void your warranty

bitdomo said:
You have a fauilty or a stucked power key.
If it is just stucked then you can unstuck it by abusing the power key or taking the phone apart.
If it is fauilty then you have to claim your warranty.
If you disassemble the phone you will void your warranty
Click to expand...
Click to collapse
A few days back, she had got the power button fixed because the power button response had become intermittent and the phone was rebooting randomly. She had taken the phone to a LG service center first, but they told her that changing the button or trying to fix it might damage the board and told her to change the board altogether. So we took it to a local repair guy who fixed it and the phone was working fine till yesterday when it shutdown all of a sudden and then the rest is history.
Note: The phone is not under warranty as the phone was bought from Dubai and we stay in India. No international warranty.

steelbreeze said:
A few days back, she had got the power button fixed because the power button response had become intermittent and the phone was rebooting randomly. She had taken the phone to a LG service center first, but they told her that changing the button or trying to fix it might damage the board and told her to change the board altogether. So we took it to a local repair guy who fixed it and the phone was working fine till yesterday when it shutdown all of a sudden and then the rest is history.
Note: The phone is not under warranty as the phone was bought from Dubai and we stay in India. No international warranty.
Click to expand...
Click to collapse
Then you have to visit that local repairer guy pay him to replace the power key again or pay LG to replace the mother board.

steelbreeze said:
A few days back, she had got the power button fixed because the power button response had become intermittent and the phone was rebooting randomly. She had taken the phone to a LG service center first, but they told her that changing the button or trying to fix it might damage the board and told her to change the board altogether. So we took it to a local repair guy who fixed it and the phone was working fine till yesterday when it shutdown all of a sudden and then the rest is history.
Note: The phone is not under warranty as the phone was bought from Dubai and we stay in India. No international warranty.
Click to expand...
Click to collapse
Yeah the repair guy you dealt with must have fixed the button short-term but in doing so inadvertently caused it to short out. Meaning it needs to go back to a repair shop (better one) and cross your fingers that it didn't short out more important components

bitdomo said:
Then you have to visit that local repairer guy pay him to replace the power key again or pay LG to replace the mother board.
Click to expand...
Click to collapse
kbroh said:
Yeah the repair guy you dealt with must have fixed the button short-term but in doing so inadvertently caused it to short out. Meaning it needs to go back to a repair shop (better one) and cross your fingers that it didn't short out more important components
Click to expand...
Click to collapse
Okie. Will take the phone to LG tomorrow or over the weekend.
Guys please clear my one doubt. If it's the stuck power button, what does it have to do with the phone not doing anything when on battery but decides to go till 'Google' when plugged in?

steelbreeze said:
Okie. Will take the phone to LG tomorrow or over the weekend.
Guys please clear my one doubt. If it's the stuck power button, what does it have to do with the phone not doing anything when on battery but decides to go till 'Google' when plugged in?
Click to expand...
Click to collapse
My phone behaves the same way if I constantly press the power button

steelbreeze said:
Guys my gf's Nexus 5 shutdown today and just refuses to boot up. It doesn't do anything with any of the keys pressed in any of the combinations that are defined. But once it is plugged in to the charger or USB, the google logo pops up and the phone keeps on rebooting to that logo. If the volume down key is pressed when this is happening, the fastboot mode is visible for a second and the phone keeps rebooting. No action can be done in the fastboot mode due to the quick reboot. I am attaching the video of the problem. Any help guys?
Did you get it fixed? I have the same issue and I've tried many ways to bring it back to life. My last step will be taking it to the tech support, because I live in Brazil, and I'm pretty sure they will charge me expensively as hell.
Click to expand...
Click to collapse

hebert_hrs said:
steelbreeze said:
Guys my gf's Nexus 5 shutdown today and just refuses to boot up. It doesn't do anything with any of the keys pressed in any of the combinations that are defined. But once it is plugged in to the charger or USB, the google logo pops up and the phone keeps on rebooting to that logo. If the volume down key is pressed when this is happening, the fastboot mode is visible for a second and the phone keeps rebooting. No action can be done in the fastboot mode due to the quick reboot. I am attaching the video of the problem. Any help guys?
Did you get it fixed? I have the same issue and I've tried many ways to bring it back to life. My last step will be taking it to the tech support, because I live in Brazil, and I'm pretty sure they will charge me expensively as hell.
Click to expand...
Click to collapse
I'm in the same boat, unfortuantely i'm at a loss in what to do, i'm going to send it back to Google and await a replacement, meanwhile i'll get my hands on some cheap old phone for now.
Click to expand...
Click to collapse

Had my Nexus 5 for about a few month now, and have loved it till this morning, it decided to just shut off (full battery too) and i tried to turn it on and it is now just constantly starting up to the "Google" splash screen then shutting off.
Sometimes it gets to the the 4 color circles then shuts off.
I want to enter into recovery mode, but I have no time to click recovery mode as it reboots frequently
One thing i noticed when it did boot up was the power button seems to be extremely sensitive and volatile

I had this same problem.. It constantly rebooted and wouldn't let me get into recovery.. Every time I plugged in the charger it would reboot also. You have to let the battery completely drain.. I gave it a couple weeks.. then tried it again and it worked.

Found a solution
Well same thing started to happening with me yesterday after installing android L's developers' preview in my nexus 5. It worked well for first 4-5 hours but then after terminating a phone call when I put it back to my pocket problem started. I searched many forums for solution then I decided to re-install from image. I connected my phone to My PC (Which had driver installed & fastBoot setup) dramatically my phone started working well. And I detached my phone from PC. So I thought it might solved because after supplying charging. But after 3-4 hours it started again so I directly plugged in to electric socket but it kept on rebooting. Then I turned on my PC and attached my nexus 5 with it. Again it started dramatically.
Still I don't know the exact reason behind it. But good new is my phone is still working since last 16 hours... But I took care of not to launch some apps listed risky for developer's preview. So I thing some incompatible app launch may be a reason... but still its only "may be"
---------- Post added at 05:46 AM ---------- Previous post was at 05:42 AM ----------
dueltothedeath said:
I had this same problem.. It constantly rebooted and wouldn't let me get into recovery.. Every time I plugged in the charger it would reboot also. You have to let the battery completely drain.. I gave it a couple weeks.. then tried it again and it worked.
Click to expand...
Click to collapse
If it happens again try what I just answered and let us know if it worked for you? So we can come to know if solution was nexus 5 specific or android L specific. Also mention the OS version, please.

hbb20 said:
Well same thing started to happening with me yesterday after installing android L's developers' preview in my nexus 5. It worked well for first 4-5 hours but then after terminating a phone call when I put it back to my pocket problem started. I searched many forums for solution then I decided to re-install from image. I connected my phone to My PC (Which had driver installed & fastBoot setup) dramatically my phone started working well. And I detached my phone from PC. So I thought it might solved because after supplying charging. But after 3-4 hours it started again so I directly plugged in to electric socket but it kept on rebooting. Then I turned on my PC and attached my nexus 5 with it. Again it started dramatically.
Still I don't know the exact reason behind it. But good new is my phone is still working since last 16 hours... But I took care of not to launch some apps listed risky for developer's preview. So I thing some incompatible app launch may be a reason... but still its only "may be"
---------- Post added at 05:46 AM ---------- Previous post was at 05:42 AM ----------
If it happens again try what I just answered and let us know if it worked for you? So we can come to know if solution was nexus 5 specific or android L specific. Also mention the OS version, please.
Click to expand...
Click to collapse
Thats very strange..since it started happening to me since yesterday. I managed to flash it again (and that i suppose should have cleared everything) but problem persists. Ill now try to restore factory image.

same thing happened with me one month ago............tried everything except opening it up and finally i got it replaced.................you cannot fix it on ur own take it to a service center asap........thank me if this helps!!

ironclad1911 said:
same thing happened with me one month ago............tried everything except opening it up and finally i got it replaced.................you cannot fix it on ur own take it to a service center asap........thank me if this helps!!
Click to expand...
Click to collapse
Thanks. I restored it to the original nexus 5 build - but nothing seems to fix the problem. will reach out to service center.

[Q] Nexus 5 constantlly turning on and off

For quite a long time I did not make any change on Nexus ROM or applications, but yesterday my Nexus turns off while I was web browsing. I tried to turn it on but it refuses. It is only possible with USB cable plugged in, but then it constantly turns on for 1 second and then turns off, and this is going in endless loop as soon as USB cable is plugged in. But with unplugged cable NEXUS can not be powered on.
The video can be seen on this link
https://www.dropbox.com/s/cvyxii4ctm4aqgu/VID_20141110_190522.mp4?dl=0
Yesterday I somehow manage to get in recovery mode and I wipe cache and Nexus boot ROM, but after 30 minutes of usage it again turns of by itself. After that for more than 100 times I tried to get to recovery mode but I could not.
So, I think that my only chance to wipe cache and put new ROM is through ADB. But I do know how to do that. Can anyone help me?
P.S. I both my NEXUS in US, but I live in Croatia (EU) and Google tells that they can not make exchange for other NEXUS (although my phone is under warranty) because they can only do that for postal address inside US. Because I do not live there and any of my friends or relative will travel in US soon my only way to get my NEXUS working is through ADB.

sounds as your power button is "stuck'.

Try the LG RMA. Worked for me here in Belgium

brom25 said:
Try the LG RMA. Worked for me here in Belgium
Click to expand...
Click to collapse
Where did you both your Nexus, and in which country did you send RMA request?

DTFuser said:
For quite a long time I did not make any change on Nexus ROM or applications, but yesterday my Nexus turns off while I was web browsing. I tried to turn it on but it refuses. It is only possible with USB cable plugged in, but then it constantly turns on for 1 second and then turns off, and this is going in endless loop as soon as USB cable is plugged in. But with unplugged cable NEXUS can not be powered on.
The video can be seen on this link
https://www.dropbox.com/s/cvyxii4ctm4aqgu/VID_20141110_190522.mp4?dl=0
Yesterday I somehow manage to get in recovery mode and I wipe cache and Nexus boot ROM, but after 30 minutes of usage it again turns of by itself. After that for more than 100 times I tried to get to recovery mode but I could not.
So, I think that my only chance to wipe cache and put new ROM is through ADB. But I do know how to do that. Can anyone help me?
P.S. I both my NEXUS in US, but I live in Croatia (EU) and Google tells that they can not make exchange for other NEXUS (although my phone is under warranty) because they can only do that for postal address inside US. Because I do not live there and any of my friends or relative will travel in US soon my only way to get my NEXUS working is through ADB.
Click to expand...
Click to collapse
Shake your phone vigorously for a minute, I've been using that as a temp fix for a dodgy power button exactly as you've described

topgeardave said:
Shake your phone vigorously for a minute, I've been using that as a temp fix for a dodgy power button exactly as you've described
Click to expand...
Click to collapse
And what you did after shaking? I try but I did not helped.

DTFuser said:
And what you did after shaking? I try but I did not helped.
Click to expand...
Click to collapse
It usually helps the button back out again, I think you should RMA to LG, I'm sure they're worldwide. You could always open up the phone and try unsticking the power button if you can't be bothered sending it back.

topgeardave said:
It usually helps the button back out again, I think you should RMA to LG, I'm sure they're worldwide. You could always open up the phone and try unsticking the power button if you can't be bothered sending it back.
Click to expand...
Click to collapse
Power button is not what cause the problem. I found many reports about the same problem, like on this page
http://www.reddit.com/r/Nexus5/comments/29tr5n/nexus_5_wont_turn_on_google_screen_keeps_flashing/
but nothing which I tried did not helped. But certainly power button is not causing the problem.
When the problem appears for the first time I manage to get into recovery and wipe cache, and after that phone booted ROM. After 30 minutes of working phone turns off and now I'm not able to get even into recovery.

DTFuser said:
Power button is not what cause the problem. I found many reports about the same problem, like on this page
http://www.reddit.com/r/Nexus5/comments/29tr5n/nexus_5_wont_turn_on_google_screen_keeps_flashing/
but nothing which I tried did not helped. But certainly power button is not causing the problem.
When the problem appears for the first time I manage to get into recovery and wipe cache, and after that phone booted ROM. After 30 minutes ow working phone turns off and now I'm not able to get even into recovery.
Click to expand...
Click to collapse
Ah damn, sorry to hear mate. Go to LG, only solution you have left.

im in the same boat my phone was just working for the past since i had it and now just like 20 minutes ago it just shut off and now doing the constant turning on and off crap
and im rooted with the latest build from pac-man (a clean install), cant even get into the fast boot and recovery to recover to stock since its doing this bootloop thing
any more help would be amazing
Edited - problem fixed it was something up with the power button, got a couple hard wacks and it booted up perfect

meechieballer said:
im in the same boat my phone was just working for the past since i had it and now just like 20 minutes ago it just shut off and now doing the constant turning on and off crap
and im rooted with the latest build from pac-man (a clean install), cant even get into the fast boot and recovery to recover to stock since its doing this bootloop thing
any more help would be amazing
Edited - problem fixed it was something up with the power button, got a couple hard wacks and it booted up perfect
Click to expand...
Click to collapse
So, since shaking, hard wacks, and anyting physical did not helped after your post I dismantle my phone and without back plate and upper plate on chips my phone works perfectly. So it seems that upper plate which covers chips is the cause of the problem.

For me, not even disassembling has helped, so I bought another motherboard and put it into my phone.

Dancsi said:
For me, not even disassembling has helped, so I bought another motherboard and put it into my phone.
Click to expand...
Click to collapse
the problem occured and i found what it was my power button it wasnt staying in place like its tilting so now i got to buy a new button for it :/

As far as I remember, the button is soldered to the board, and can not be bought separately. I know the second thing for sure, since I was also only searching for a separate button in the beginning...