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Phone won't boot

Hey guys,
My phone shut off unexpectedly today and now won't turn back on. When I try to power it on I see the Google logo for a couple seconds and then it'll just shut off again. I tried holding the volume up/down buttons to access the bootloader, but right after I get to the screen it just restarts itself again.
Connecting to power (AC or USB) causes it to constantly reboot over and over, it just shows the Google logo for a couple seconds and then restarts again.
Any ideas on what I can do?

rosscarrothers said:
Hey guys,
My phone shut off unexpectedly today and now won't turn back on. When I try to power it on I see the Google logo for a couple seconds and then it'll just shut off again. I tried holding the volume up/down buttons to access the bootloader, but right after I get to the screen it just restarts itself again.
Connecting to power (AC or USB) causes it to constantly reboot over and over, it just shows the Google logo for a couple seconds and then restarts again.
Any ideas on what I can do?
Click to expand...
Click to collapse
Provide more information for a starter - stock? unlocked bootloader? rooted? third party recovery? rom and if yes which?
If it's stock I'd RMA it.
If not what did you do immediately before the problem started?
try holding the power button for > 2 seconds which should turn it off completely, leave it on a wall charger for at least a couple of hours then turn it back on - I doubt it'll fix the problem but it's a simple thing to try...

Clancy_s said:
Provide more information for a starter - stock? unlocked bootloader? rooted? third party recovery? rom and if yes which?
If it's stock I'd RMA it.
If not what did you do immediately before the problem started?
try holding the power button for > 2 seconds which should turn it off completely, leave it on a wall charger for at least a couple of hours then turn it back on - I doubt it'll fix the problem but it's a simple thing to try...
Click to expand...
Click to collapse
Everything on it is stock, no ROM, not rooted. I had just taken it out of my pocket to check the time, put it back in my pocket and then felt it vibrate, took it back out to see it at the Google logo and haven't been able to get it started since. There was one or two times when it got past the Google logo and started to show the start up animation (the four colours bouncing around or whatever it is) but then it shut off again.
I tried holding the power button to completely turn it off, but plugging it into the wall charger just causes it to repeatedly attempt to boot like I mentioned earlier. I'll leave it for a while and hope for the best

Sounds like the mobo is bad. Most likely will have to rma it.

rosscarrothers said:
Hey guys,
My phone shut off unexpectedly today and now won't turn back on. When I try to power it on I see the Google logo for a couple seconds and then it'll just shut off again. I tried holding the volume up/down buttons to access the bootloader, but right after I get to the screen it just restarts itself again.
Connecting to power (AC or USB) causes it to constantly reboot over and over, it just shows the Google logo for a couple seconds and then restarts again.
Any ideas on what I can do?
Click to expand...
Click to collapse
Do you have a case on? The case could be faulty.
Sent from my Nexus 5 using Tapatalk

jd1639 said:
Sounds like the mobo is bad. Most likely will have to rma it.
Click to expand...
Click to collapse
Maybe not. Sounds like a stuck power button to me.
OP does the phone just endlessly repeat this cycle? If so it's rebooting itself do to a stuck power button. One other users already reported similar issues and his power button was indeed stuck. Mash the power button hard for a minute to see if you can unstick it.

theesotericone said:
Maybe not. Sounds like a stuck power button to me.
OP does the phone just endlessly repeat this cycle? If so it's rebooting itself do to a stuck power button. One other users already reported similar issues and his power button was indeed stuck. Mash the power button hard for a minute to see if you can unstick it.
Click to expand...
Click to collapse
You got it!
Thanks so much, really wasn't looking forward to waiting for weeks while the RMA went through. The button didn't appear to be stuck - it was still clicky - but after mashing it for a minute it started up normally and appears to be fine now.

Did you flash any ROMs or anything previously?
Sent from my Nexus 5 using xda app-developers app

scottdouglasdick said:
Did you flash any ROMs or anything previously?
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
brother the issue is gone, as mentioned "sticky power button" was causing it. read the thread before posting. btw thanks for effort anyway... haha
:laugh::silly:

Hi all. Sorry to reopen an old thread (but xda suggested I check here before making my own thread).
I think we have the exact same problem with a Nexus 5. Unfortunately, bashing the power button doesn't seem to be helping (and makes me feel slightly silly .
Anyone know how much effort it would be to take it apart to get to the part that's stuck? Any good instructions?
Thanks.

Weird, I have the same issue starting a few hours ago. I updated to the Oct 17 beta of Cataclysm then a hour later it happened. But was told it sounds like the power button issue.
Took it apart, tried to fix it. If plugged in I can get into the bootloader, but then it reboots again. I've tried tapping it on a hard surface, and it gets seems like it almost fixes it because it'll connect to my laptop but then reboots again.
Could it be the battery? It was fully charged but then died as I was deleting hundreds of photo's in Dropbox to move photo's over from my phone because it was full.

I too am running into this same issue. My screen cracked so I replaced the digitizer with some success. In the process I damaged the battery and needed to replace it. When I got the new battery and replaced it my phone is now unusable.
When unplugged: I turn on the phone and it's running the ANDROID animation then turns off.
When plugged in: I turn on the phone, the ANDROID animation runs then the phone restarts and continues the process over and over again.
I then flashed the phone with Marshmallow and the same thing happens. Except now that I flashed it I get the Android icon with the spinning gear. So; I flashed it back to 5.1.1, but the same result.
Could I have physically damaged something inside or is it a battery issue? Thanks for any insight.

So...How did I brick my N5?

I am not inexperienced when it comes to ROMs, rooting, flashing, etc. Been doing it since my Droid X, X2, Gnex and now n5.
So pretty much I installed purity ROM and franco kernel. I was really tired when I was flashing it last night so as soon as I saw it boot up I let myself fall asleep. The last thing I saw was the setup screen asking me what language to select. I woke up this morning and tried to turn the screen on. nothing. held the power button for 10+ seconds then tried to boot again. Nothing. FYI the phone was fully charged last I saw. I have the heat on so it's kind of warm inside. I left it outside on the patio for about 20 minutes to cool down. Still gets nothing. No response what so ever. No vibration, the backlight of the display doesn't come on....nothing. I tried plugging it in the charger, nothing. The battery icon doesn't show up. The backlight doesn't come on. I left it on the charger for about 20+ minutes. Nothing. Plugging it into my computer does absolutely nothing. It doesn't show ANYTHING connected AT ALL. So no fastboot no adb (cant even get to recovery or bootloader) odin is out too. Literally 100% unresponsive.
Didn't think you could do that to a nexus honestly. Especially after all the hackery I did on the GNex. I didn't even do anything funny. Just flashed Purity + Franco (r14) I was waiting on r15.

Try charging it for a few hours (overnight).
I've seen this happen to a lot of people in the nexus 4 section.
Sent using xda-developers app

I assume after charging you held the power button for at least 10 seconds?

RoyJ said:
I am not inexperienced when it comes to ROMs, rooting, flashing, etc. Been doing it since my Droid X, X2, Gnex and now n5.
So pretty much I installed purity ROM and franco kernel. I was really tired when I was flashing it last night so as soon as I saw it boot up I let myself fall asleep. The last thing I saw was the setup screen asking me what language to select. I woke up this morning and tried to turn the screen on. nothing. held the power button for 10+ seconds then tried to boot again. Nothing. FYI the phone was fully charged last I saw. I have the heat on so it's kind of warm inside. I left it outside on the patio for about 20 minutes to cool down. Still gets nothing. No response what so ever. No vibration, the backlight of the display doesn't come on....nothing. I tried plugging it in the charger, nothing. The battery icon doesn't show up. The backlight doesn't come on. I left it on the charger for about 20+ minutes. Nothing. Plugging it into my computer does absolutely nothing. It doesn't show ANYTHING connected AT ALL. So no fastboot no adb (cant even get to recovery or bootloader) odin is out too. Literally 100% unresponsive.
Didn't think you could do that to a nexus honestly. Especially after all the hackery I did on the GNex. I didn't even do anything funny. Just flashed Purity + Franco (r14) I was waiting on r15.
Click to expand...
Click to collapse
Doesn't sound like it had anything to do with flashing anything, especially since you saw it go tot he language screen.
You've tried holding the volume keys while turning it on?
I honestly may have just been a faulty battery in the device. ran out of juice fast and now won't charge or power it.
I'd still try more holding power button remedies, etc.
Not sure that Odin would have ever helped you anyways considering this is not a Samsung phone.
Worst case RMA it through Google..

Chromium_ said:
Try charging it for a few hours (overnight).
I've seen this happen to a lot of people in the nexus 4 section.
Sent using xda-developers app
Click to expand...
Click to collapse
It was fully charged when it booted before I fell asleep. I will leave it on the charger though. Thanks for the suggestion.
jd1639 said:
I assume after charging you held the power button for at least 10 seconds?
Click to expand...
Click to collapse
See OP, yes.
orangekid said:
Doesn't sound like it had anything to do with flashing anything, especially since you saw it go tot he language screen.
You've tried holding the volume keys while turning it on?
I honestly may have just been a faulty battery in the device. ran out of juice fast and now won't charge or power it.
I'd still try more holding power button remedies, etc.
Not sure that Odin would have ever helped you anyways considering this is not a Samsung phone.
Worst case RMA it through Google..
Click to expand...
Click to collapse
Yes, tried every button combo. True about odin, just making a point that a computer and fastboot/adb/toolkits would not work.

RoyJ said:
It was fully charged when it booted before I fell asleep. I will leave it on the charger though. Thanks for the suggestion.
Click to expand...
Click to collapse
Yep its happened a few times with people with the nexus 4 too. The battery is at a decently high charge and suddenly it acts as if the battery is dead.
I have seen people fix it by charging the phone for a few hours though. Do you get an LED light when its plugged into the wall charger?
Sent using xda-developers app

Absolutely nothing. Completely 100% unresponsive. I think it's done for.
Edit: Purchased from T-Mobile, not Google directly. I pay for insurance on the device. Stinks, but I think I'm going to have to file an insurance claim

Why do insurance when you can just do warranty claim at the store? Just take it back to them (especially since it hasn't been 30 days yet) and replace the device.

Did you try plugging it into a car charger in your car?
For some reason that sometimes works. I don't know why, maybe higher amperage or something.
You should try it!

This happened with my Nexus 4, All I did was leave it charging and that worked after quite a bit. At the time I re flashed it back to stock, not sure if it helped or not but I never had the issue again.

OP, have you solve your problem? my nexus 5 just dead when I rebooted my phone. now, i does not have any idea to turn it back on again.

kizaros2g said:
OP, have you solve your problem? my nexus 5 just dead when I rebooted my phone. now, i does not have any idea to turn it back on again.
Click to expand...
Click to collapse
What did you do before you rebooted?

jd1639 said:
What did you do before you rebooted?
Click to expand...
Click to collapse
before reboot, i'm flashing the new bootloader and radio that come with 4.4.1.. i got those two zip somewhere in the xda. but i think there is no problem with twrp. now I cant go into fastboot mode or recovery mode. there is no response when pressing the power button + volume button.

Nexus 5 Bootloop Problem

Ok so I'm very annoyed and I'm not getting much help over at the google product forum. Ok so here is the problem, I'm walking with my phone in my hand on friday and it randomly vibrates so I looked at it and saw the google logo (not the 4 colored circles) then the phone shut off. I thought I accidentally turned it off so I tried to turn it on and nothing, plug it in to a charger and the logo keeps coming on then off and the phone has been looping like this ever since, as soon as you plug it out it completely turns off. Now I have tried the bootloader option but as soon as I see the menu come up..the phone reboots again..so I basically have a $400+ brick on my bed, so upset as I have important things to do and this is a major set back. Any idea on whats going on or how to fix it? Thanks in advance.

you need a replacement. it should be under warrenty from either google or lg.

Wow, this is a new way for bricked nexus 5. 4 phones with endless bootloops even on bootloader this weekend :crying:
RMA like said upstairs.

http://forum.xda-developers.com/google-nexus-5/help/bootloop-access-bootloader-t2705353
Hi, I'm one of the four as mentioned by GUGUITOMTG4 above haha.
You could try repeating the following steps in order:
1) Vol down + Power button for 30 seconds
2) Vol up + Power button for 30 seconds
3) Vol up + Vol down + Power button for 30 seconds
Rinse and repeat until you get the bootloader screen to stay. Mine only stayed after I threw it on a table though, as mentioned in my thread linked here. Haha good luck!

I was afraid you would say that..i bought my phone from best buy and I don't live in the US, don't know if google would let me send it back and even if it would probably take months to send and get a replacement :crying: . I did some research on the forum and numerous people that experience this same problem ( some on samsung devices) blame it on a "stuck" power button.(some suggested repeatedly playing with the power button to try and fix it) I carried it to a store and they looked at it and said it might be the power button without me mentioning it as a possibility, can a stuck power button cause this behavior? some even mentioned taking out the battery and putting it in again.If I open up my nexus would it void my warranty?

nexthem said:
I was afraid you would say that..i bought my phone from best buy and I don't live in the US, don't know if google would let me send it back and even if it would probably take months to send and get a replacement :crying: . I did some research on the forum and numerous people that experience this same problem ( some on samsung devices) blame it on a "stuck" power button.(some suggested repeatedly playing with the power button to try and fix it) I carried it to a store and they looked at it and said it might be the power button without me mentioning it as a possibility, can a stuck power button cause this behavior? some even mentioned taking out the battery and putting it in again.If I open up my nexus would it void my warranty?
Click to expand...
Click to collapse
Turn off the phone if possible.
Hold down the volume_up key and connect the phone to your PC.
Is the phone still restarting?
Tapatalk-kal küldve az én Nexus 5-el

bitdomo said:
Turn off the phone if possible.
Hold down the volume_up key and connect the phone to your PC.
Is the phone still restarting?
Tapatalk-kal küldve az én Nexus 5-el
Click to expand...
Click to collapse
the phone cannot be turned on or off..it is only turns on when plugged in, held down the volume button then plugged it in and I see the bootloader option for 3 seconds then it reboots

nexthem said:
the phone cannot be turned on or off..it is only turns on when plugged in, held down the volume button then plugged it in and I see the bootloader option for 3 seconds then it reboots
Click to expand...
Click to collapse
Do tha same but now hold down the volume_up key isntead of volume down_key

bitdomo said:
Do tha same but now hold down the volume_up key isntead of volume down_key
Click to expand...
Click to collapse
holding volume up and plugging it in does nothing, it just continues to loop to the google logo where as volume down brings up the bootloader menu then the phone loops again

The longer you try to fix it yourself, the longer it will take for you to get a new phone... RMA it... It's a hardware failure...
Good Luck!

vin4yak said:
The longer you try to fix it yourself, the longer it will take for you to get a new phone... RMA it... It's a hardware failure...
Good Luck!
Click to expand...
Click to collapse
I wish I could RMA but I didn't buy from the play store, I bought it from Best Buy, what steps should I take to sort this out?
*Note to self..next time buy straight from Google

nexthem said:
I wish I could RMA but I didn't buy from the play store, I bought it from Best Buy, what steps should I take to sort this out?
*Note to self..next time buy straight from Google
Click to expand...
Click to collapse
Oh Np. You need to contact your local LG service centre to claim warranty

Just an update, carried it to a tech shop and as suspected it was indeed the power button, they replaced it and now it's working. The technician said although the button was clicking it kept contact with the board telling the phone to turn off as soon as it turns on which caused the loop. So if anyone is experiencing similar problems you might wanna have that checked. Thanks for the numerous replies :laugh::good:

nexthem said:
Just an update, carried it to a tech shop and as suspected it was indeed the power button, they replaced it and now it's working. The technician said although the button was clicking it kept contact with the board telling the phone to turn off as soon as it turns on which caused the loop. So if anyone is experiencing similar problems you might wanna have that checked. Thanks for the numerous replies :laugh::good:
Click to expand...
Click to collapse
Thanks for reporting, there have been more users with that issue recently. Now you fully confirmed the cause:good:

My nexus 5 went into a bootloop today and after i tried plugging and holding everything for hours i took wjng's advice, held vollume down and power at the same time and slammed it down onto a table and it stayed on the bootloader finally. Time to flash a stock rom and pray i guess.

[Q] Random Shut Off & Wont Turn Back On

So I was in class just on Google chrome and when i went to turn my phone on from its sleep state to look up something else it was off. I figured it was probably a random shut down because i know nexus 5's have random restarts that is awaiting a fix in 4.4.3.....so basically my phone shut off in class on its own and wont turn back on. even when i threw it on a charger nothing happened. Anything i can do besides bring it to a store? Im NOT rooted by the way..
Thanks.

mpa927 said:
So I was in class just on Google chrome and when i went to turn my phone on from its sleep state to look up something else it was off. I figured it was probably a random shut down because i know nexus 5's have random restarts that is awaiting a fix in 4.4.3.....so basically my phone shut off in class on its own and wont turn back on. even when i threw it on a charger nothing happened. Anything i can do besides bring it to a store? Im NOT rooted by the way..
Thanks.
Click to expand...
Click to collapse
the n5 doesnt have a reboot problem. its some apps that people install that cause random reboots, as well as some dirty hacks. anyways, i bet it never powered off but experienced a sod instead. press and hold your power button for about 20-25 seconds. itll reboot or power down. of it powers down, press the power button to turn it back on.

Thanks...i thought i read the nexus 5 rebooted al ot randomly but i guess you would probably know more than myself....and i guess holding it for 20 seconds worked! thanks. kinda weird how it all happened and didn't think holding it 3 to 4 times the normal required amount would fix it

mpa927 said:
Thanks...i thought i read the nexus 5 rebooted al ot randomly but i guess you would probably know more than myself....and i guess holding it for 20 seconds worked! thanks. kinda weird how it all happened and didn't think holding it 3 to 4 times the normal required amount would fix it
Click to expand...
Click to collapse
it was a sod then, "sleep of death". its when it goes to sleep and wont wake unless rebooted. some poorly written apps, undervolting, or randomness can cause it. no matter what, holding your power button down for 20 seconds will force your phone to reboot(its a safety, like a battery pull. because our phones battery isnt removable)

its probably bricked because of a app

imraj1 said:
its probably bricked because of a app
Click to expand...
Click to collapse
lol, read, he got it working

Woke up this morning phone worked for 10 minutes and just died after a reboot

Hey guys,
Something odd happened this morning and now I am sitting around with a $700 paperweight. Woke up and took the phone off of charge like I usually do and started to read the news. about 10 minutes in the screen and touch buttons froze so I decided to reboot the phone, To my surprise the phone never came back on.
I've tried VOL Down + Power for 30 seconds even longer out of desperation along with just the power button and VOL Up + power to no avail, The phone is dead, Simply dead. I just wanted to reach out to the community to see if I am just one of the lucky ones or if anyone else has had this happen to them?

Enigma_cpl03 said:
Hey guys,
Something odd happened this morning and now I am sitting around with a $700 paperweight. Woke up and took the phone off of charge like I usually do and started to read the news. about 10 minutes in the screen and touch buttons froze so I decided to reboot the phone, To my surprise the phone never came back on.
I've tried VOL Down + Power for 30 seconds even longer out of desperation along with just the power button and VOL Up + power to no avail, The phone is dead, Simply dead. I just wanted to reach out to the community to see if I am just one of the lucky ones or if anyone else has had this happen to them?
Click to expand...
Click to collapse
I don't know which variant you have but look for the MSM download tool thread https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691

Have you tried volume up and volume down while you press the power button? Release only the power button when you feel a vibration. I got mine stuck with a black screen while I was tinkering. I know it's a different situation, but it's worth a shot. If it works, you'll end up in bootloader mode. Just use the volume keys to select reboot, and tap the power button to select it.