Klu lt7035-j power issues - General Questions and Answers

friend had me look at her tablet as it turns off on its own randomly.. full battery or low, I can mess around on it for 10 min or longer and sometimes won't even finish booting up. Does it on charger too. Tried soft reset and hard reset
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[ISSUE] Transformer powered off and won't power back on

Doubt there is anything else I can do, but thought I'd try anyway.
So after about a whole 3 hours of use, my Transformer just powered off. I tried to power it back on, and it did for about 5 minutes, but would only stay on for about 15 seconds (not even a full boot) and reset again. Now, it doesn't power on at all.
While I was using it I was charging it. It had about 84% battery when it died. I tried holding the power button for 6, 30, even 60 seconds and no results. Tried the power and vol down too.
I have an RMA from ASUS (Is it normal for companies to make you pay for shipping to them? Ugh), but wanted to know if there is anything else I can try before waiting another 2-3 weeks to get one back.
Thanks!
I think I've read of this happening before, leave the TF's battery to go completely flat then recharge it. Nothing to loose by trying it.
Good luck.
I would just keep trying to hit the power button and see if you could get it to work because I feel like doing an RMA will not really fix the issue because it is more of a software issue I feel like, unless it completely died. On the other hand, if you do RMA it, I would not pay for shipping, that is ridiculous.
Reverence12389 said:
I would just keep trying to hit the power button and see if you could get it to work because I feel like doing an RMA will not really fix the issue because it is more of a software issue I feel like, unless it completely died. On the other hand, if you do RMA it, I would not pay for shipping, that is ridiculous.
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I thought it was a software issue while it was boot looping, but now it won't power on at all.
Unforunately, it had a HUGE charge on the battery when it died. I can't easily drain the battery because it won't power on at all to use the battery up.
Any suggestions on draining it without powering it on? Thanks again...
These things seem very tricky. Try hitting the power button multiple times, then holding it, and holding it while holding the power down, that works for me.
Some other things you can try is put it on the charger and then try powering it on. Try docking it if you have a station and then plug the dock in and try to power on. Anything could trigger it going back on to be honest because these sleeps of death/shut offs/non responsive units seem to happen at random.
Could be the sleep of death. You can get it to boot usually by holding power for 5 seconds, wait a bit, and then power it on again. Sadly it may be a hardware issue :-(
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I'm guessing it's a hardware issue. Any amount of holding the power button down hasn't shown any sign of working.
This is where I wish it had a removable battery. I know about 50% of laptops I work on that don't power on just need the battery taken out, power button pressed, and battery replaced (discharges static electricity).
I had the same problem. I put it on charge for 15 min and then powered it on with it still plugged in. Scared the hell out of me.
It finally powered back up. Just keep trying and cross fingers.
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singlebyte said:
I had the same problem. I put it on charge for 15 min and then powered it on with it still plugged in. Scared the hell out of me.
It finally powered back up. Just keep trying and cross fingers.
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Thanks. I keep trying every 30 minutes or so. Did yours also die while it was fully charged?
Not sure where the battery level was when it died. I thought it had somehow been left on and just drained the battery too much. After a while on charge it came back to life.
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Charging
I am sure you guys have noticed - or is mine unique - that when you have the TF switched off and you plug it in it automatically switches on.
So plugging it in whilst it is off actually means you could be draining the battery. You need to switch it off when it is already on charge.
That being said mine stopped charging recently and I found a post somewhere to say to trickle charge it (charge it off the USB on the computer) and then try to charge it again. That worked and it has charged great since. I think that issue is related to the dock.
So try to trickle charge it -see if it will hook up to your PC and see if that will help.
singlebyte said:
Not sure where the battery level was when it died. I thought it had somehow been left on and just drained the battery too much. After a while on charge it came back to life.
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Ah. Unfortunately I think mine is a different issue since it was fully charged when it shut off. Thanks though!
Turns out bestbuy.com received some stock, so I returned mine to Best Buy and re-ordered it. Thanks for the advice, guys! Pretty sure it was something I couldn't fix anyway.

Not possible to turn on

I recieved my TF700 yesterday, tried to start it up but shut down immediatly.. Charged it some but took it out again to plug it into another outlet.. I charged it until the LED became green, but neither a power og vol- and power will turn it on, any things to try before sending it in again?
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Try press the power button for 5-7 seconds to see whether it starts up. This might work.
I had to hold my power button a full 10 seconds! I was sure I had gotten a brick! But it's been fine since. I would also recommend you avoid the temptation to use it right away and give it a full 8 hour charge first.
Yeah i have tried that, have tried for a minute also, nothing
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Is the power really still on? What happens if you connect it to the PC/MAC via USB? If power is off, I think sometimes you don't need to hold the button too long in fact I remember getting multiple vibration as you explained but instead of holding for too long I just held for couple seconds and it turned on.
Nothing of the usual works, just thought if there was a button combo to do a full wipe, other than power and vol down
Nothing happens when plugging into pc
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ededed said:
Nothing of the usual works, just thought if there was a button combo to do a full wipe, other than power and vol down
Nothing happens when plugging into pc
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No, there is no magical combination, although you might give the reset hole a shot before RMA'ing your unit.
Sent from my ASUS Transformer Pad TF700T
not charging?
I bought a 32 gb tf700 from Best Buy. Decided I needed a 64 gb instead so returned that one and ordered a 64 gb. Got that - charged for 8 hrs and it would not turn on - tried all the resets/methods that I could find on the web. I returned it to Best Buy and ordered another. Got that in and the same thing. Would not turn on for anything. I then realized that the wall connector was not warm (it was very warm when I was charging the 32 gb tf700 which worked fine). I also ordered a dock/keyboard so I plugged that in and it indeed did charge so it was not the charger. I connected my tf700 to the dock thinking I could then turn it on - still nothing. The tf is wonderful (based on my experience with the 32 gb tf700). However, I've read numerous posts saying other people have had issues turning their transformer on. Is the quality control by Asus that bad or am I just one unlucky person? Any ideas before I return the tablet and dock to Best Buy and go to a different company's tablet?
Thanks
Eric
Think i was just unlucky, you even more so.. I ordered one with keyboard instead, works great!
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[Q] Power Button Trouble

Hi,
i have trouble with my nexus 5 with the power button,
i did factory reset even install a custom rom but nothing!
this problem started 2 weeks ago its like i hold the power button randomly and just pops the power menu for turning it off but then in restarts again and does a soft reboot like if i was holding just the power button and this continously happens even though i did a factory reset! and it happens very oftens sometimes like 40 times in a day! so its getting me crazy...
please help!
Stuck power button. Rma the device if under warranty, or have it replaced.
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jd1639 said:
Stuck power button. Rma the device if under warranty, or have it replaced.
Sent from my Nexus 5 using XDA Free mobile app
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the problem is that i have a little crack on screen so no more guarantee! and the button is not stuck and i moves normally because it works i think is something inside! what you think !

Nexus 5 sometimes refuses to charge

So my Nexus 5 sometimes won't charge. For example, I plug it in at 5%, and after an hour, it is still at 5% or lower ,often even at 0%, so when I unplug it, it instantly turns off. Sometimes it charges fine to something like 20%, then it stops and battery slowly starts to discharge. There are days when it's perfect, absolutely no trouble. I should also mention that when it charges normally, the charger plug is warm-hot, when it doesn't charge, it's cold.
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It's hardware. Either the cable, the charger, or the phones mini USB port.
Try a different charger and cable for starters.
kaspar737 said:
So my Nexus 5 sometimes won't charge. For example, I plug it in at 5%, and after an hour, it is still at 5% or lower ,often even at 0%, so when I unplug it, it instantly turns off. Sometimes it charges fine to something like 20%, then it stops and battery slowly starts to discharge. There are days when it's perfect, absolutely no trouble. I should also mention that when it charges normally, the charger plug is warm-hot, when it doesn't charge, it's cold.
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Its the hardware, maybe the battery or something and its also happening to LG G2 (N5 brother), so LG's faults.
But Google posted oficcially some ways to fix it, you only need to power off the phone and plug it. Wait 30 minutes and then turn it on again, leave it charging and this time probably works.
It doesn't happen to often, but when it does, its really annoying.
I remember having this issue but only with wireless charging. Seems like an issue with the wire.
I had this issue with my Galaxy Note. It was actually a faulty chip on the motherboard that was causing my charging problems... None the less, I would first check your cable and then the micro USB port.
I have 3 chargers and 2 USB cables, tried all the possible combinations, nothing. What should I look for about the USB port?
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kaspar737 said:
I have 3 chargers and 2 USB cables, tried all the possible combinations, nothing. What should I look for about the USB port?
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My 5 year old daughters Galaxy tab 3 is the same. I can tell the plastic part of the mini USB port is snapped. So only the wires are holding it together. It will charge... But only when it's laying on a stable surface, untouched and sometimes I have to wiggle it til it's charging, then leave it alone til it's done.
Does it say it's charging? For me, even if it isn't charging but is plugged in, it says "Charging (AC)".
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Yeah, our tab makes the plug in noise over and over til it's good.
But just cause it says it's charging doesn't mean every pin is making proper contact with the charger or device.
I cleaned the phone's USB port with a toothpick and compressed air and so far, it's working all right again.
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Oh well, it's doing that again. Charged 80% in 7 hours. Cleaning USB port didn't help.
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my N5 does this but with wireless charging..
sometimes i put it on when i go to bed, and i know it starts charging
in the AM i see its lower ... checking the batt stats it shows that it charged for a few mins then stopped
dunno yet whats up, it happens sporadically.
Any chance software could cause this? Rolling back to 4.4/4.4.x or resetting factory settings would help?
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kaspar737 said:
Any chance software could cause this? Rolling back to 4.4/4.4.x or resetting factory settings would help?
Sent from my Nexus 5 using XDA Free mobile app
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that could be next step.
if a factory reset doesnt help, then u have a hardware problem. Does the batt info says "healthy" or "good" for the battery?
have u tried using a toothpick to ensure all usb pins are clean of dust?
maybe u can get another battery and change it... if a cell is going bad inside the batt it can do that too
kaspar737 said:
I cleaned the phone's USB port with a toothpick and compressed air and so far, it's working all right again.
Sent from my Nexus 5 using XDA Free mobile app
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Good thinking. Glad to hear it's working better now. :good:
chaco81 said:
that could be next step.
if a factory reset doesnt help, then u have a hardware problem. Does the batt info says "healthy" or "good" for the battery?
have u tried using a toothpick to ensure all usb pins are clean of dust?
maybe u can get another battery and change it... if a cell is going bad inside the batt it can do that too
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Where can I see battery info?
I have 1.5yrs of warranty left, there's no point for me to try and change the battery on my own.
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Today it didn't charge, so I decided to restart. When I had just powered off, a fully charged battery icon came on the screen and stayed for about 15 seconds. Then the screen flashes black and started showing the charging battery icon.
Anyways, I am going to flash the phone back to stock when I have time, if that doesn't help then it's going back for repairs.
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kaspar737 said:
Where can I see battery info?
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download CPU-Z as the simplest way to tell
go to the Battery tab and it will tell ya the "Health" of the battery. Mine says "Good"
Another trick is to buy a wireless charger. If this ever happens to me I'm doing that.
This has happened to me months ago and I tried everything. Turned off my phone to charge, tried different cables...nothing worked.
Then I started charging my phone with a blackberry charger and it has been successfully charging my phone ever since. And it charges faster than the original charger. When you plug the charger into the phone, it's very solid, whereas the original charger is somewhat flimsy. Not sure if that may be the case. But that's what I did!
Hope this helped!

Phone doesn't turn on unless it's plugged in and then it keeps rebooting every 2 seco

My phone has been acting weird the past couple days. It would randomly reboot but when it rebooted, I would have to hard reset it for it to completely boot up. For the past couple days it would happen a couple times a day. Today it was doing it almost every hour. I was just waiting to get home from work so I could back up the phone and wipe and then it just turned off. I couldn't get it turned back on. When I plugged it into the charger it turns on the Google logo and then reboots over and over again. When I unplug it, it shuts off. I can't even get it to boot into recovery or bootloader because it keeps rebooting every couple seconds.
Just a guess, but I think you're power button is shorting out. See what others think.
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jd1639 said:
Just a guess, but I think you're power button is shorting out. See what others think.
Sent from my Nexus 5 using XDA Free mobile app
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Yea I've seen it in another post. That doesn't explain why the phone keeps rebooting as soon as I plug it in. But I have noticed that for the past couple days, the power button was becoming really sensitive as in I would hit the power button to turn the screen off and then it would immediately turn the screen back on. But if its a hardware issue then there's nothing I can do but contact Google to send me a replacement.
armandosal said:
Yea I've seen it in another post. That doesn't explain why the phone keeps rebooting as soon as I plug it in. But I have noticed that for the past couple days, the power button was becoming really sensitive as in I would hit the power button to turn the screen off and then it would immediately turn the screen back on. But if its a hardware issue then there's nothing I can do but contact Google to send me a replacement.
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I think as soon as you plug it in the battery gets enough charge that it boots but then the power button shorts out and it reboots
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I tried tapping on the phone by the button and it turns on the phone for a little bit. Same thing if I wiggle the power button. I'm convinced that's the issue.

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