Spontaneous Power Off - Nexus 9 Q&A, Help & Troubleshooting

It had plenty of battery, then it shut down and now it won't turn back on. Any possible solutions?
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Warranty
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what were you doing when this happen , way too little info in OP to begin to troubleshoot
recent apps, changes, power plug, Roms, kernel.
I had a light go out in the room today, can you guess what happened to make it go out?
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Related

Razr won't come out of sleep mode

I've searched all over, but I can't find the answer. Several times a day I have to use the power/volume down to restart my phone because it won't come out of sleep mode. It doesn't do it every time. I know there are others with this problem, but I haven't been able to find out why it happens or how too prevent it. Please help.
Sent from my DROID RAZR using Tapatalk
he his too sleepy
So, I guess it's just not eating right our getting enough exercise?
Sent from my DROID RAZR using Tapatalk
When mine has been sleep a long time I have to push and hold power to get it to wake up. Try it.
Sent from my XT910 using XDA
JDCFH said:
When mine has been sleep a long time I have to push and hold power to get it to wake up. Try it.
Sent from my XT910 using XDA
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Click to collapse
Same, I just have to hold it until it wakes up. See if that works
Sent from my MB860 using xda premium
I've held it for about thirty seconds with no luck. Does it take longer than that? It doesn't matter how long it's been asleep, sometimes I can turn off the screen and immediately try to turn it back on and it won't work.
Sent from my DROID RAZR using Tapatalk
ScorpiusO said:
I've held it for about thirty seconds with no luck. Does it take longer than that? It doesn't matter how long it's been asleep, sometimes I can turn off the screen and immediately try to turn it back on and it won't work.
Sent from my DROID RAZR using Tapatalk
Click to expand...
Click to collapse
No not that long. What firmware are you running? Maybe you have a dodgy power button?
Sent from my XT910 using XDA
Are you using spotify?
That happens to me when that's on in the background every once in a while..
After unrooting, uninstalling every app I had then doing a factory reset and still having the same problem, I finally gave up and took it into the Verizon store. They said there was going to be a software update in mid April that would fix it, or I could get a new phone. My new phone will be here Tuesday.
Sent from my DROID RAZR using Tapatalk
Mine is stock and just did this today.
Sent from my A100 using Tapatalk
LOL mine wont go into sleep or turn off unless I hit the power button.

Touch Screen Calibration

Is there a way to calibrate the screen?
Sometimes mine will act possessed and have phantom touches. Alot of times I try to touch the back arrow, or the menu key and it registers the touch for one of the apps in my dock.
Sent from my ADR6425LVW using xda premium
Is you device plugged into the charger when this happens?
On the Razr, the screen would sometimes act up when it was charging, but unplugging it solved the problem.
If it is when your charging then you have an incompatible charger
You need an 1 amp charger
Sent from my Galaxy Nexus using Tapatalk 2
no, this happens off & on without being on the charger
ROB281 said:
no, this happens off & on without being on the charger
Click to expand...
Click to collapse
i have noticed this if there is a little bit of water on the screen or a moist part that it does that. the fix is to shut the screen off, dry it, and turn it back on again and you should be good
I also had problems with a 3rd party lockscreen (eg. GO Locker) causing the multitouch to be messed up, but that's probably not the problem you're having.
If your under warranty then send it in
It will only get worse
Sent from my Galaxy Nexus using Tapatalk 2
was afraid of that, now to find a way back to gb
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Do you have a screen protector, case, etc when you are using it?
Nope straight screen
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Did you try touch test to see where it would be coming from?
https://www.google.com/url?sa=t&rct...4poXKP-0KkaGGfqzA&sig2=PcTf6LSeJcNZp0fwj72uUQ

I is Teh Bricked?

So, I'm at work and I am unable to use my phone. Phone will not power on, I've held the power button for well over a minute in the hopes that it would restart but nothing. I was using the phone just fine today with no hiccups. I've tried charging the phone, but the light will not appear, so it does not seem to be charging. I've also removed the SIM Card, nothing as well. I've tried plugging it into a computer to see if it would sync, and yet again, nothing.
Any solutions?
I'm using the newest P.A.C. ROM, not even overclocked
Angel Slayer said:
So, I'm at work and I am unable to use my phone. Phone will not power on, I've held the power button for well over a minute in the hopes that it would restart but nothing. I was using the phone just fine today with no hiccups. I've tried charging the phone, but the light will not appear, so it does not seem to be charging. I've also removed the SIM Card, nothing as well. I've tried plugging it into a computer to see if it would sync, and yet again, nothing.
Any solutions?
I'm using the newest P.A.C. ROM, not even overclocked
Click to expand...
Click to collapse
Did you try holding the past button while the device is under a bright light?
Sent from my HTC One using Tapatalk 4 Beta
Nick281051 said:
Did you try holding the past button while the device is under a bright light?
Sent from my HTC One using Tapatalk 4 Beta
Click to expand...
Click to collapse
I've looked at the phone under the brightest bulbs we have here, no indication of any of the sensors lighting up. It's really strange. I've been tinkering with ROMS for several years now and nothing like this has ever happened to me. You would think at least one of the sensors would light up.
Power is what I meant there, try booting into recovery from there
Sent from my HTC One using Tapatalk 4 Beta
Nick281051 said:
Power is what I meant there, try booting into recovery from there
Sent from my HTC One using Tapatalk 4 Beta
Click to expand...
Click to collapse
I can't boot up the phone, it's neither charging or booting or giving me any indication that it's alive.
Angel Slayer said:
So, I'm at work and I am unable to use my phone. Phone will not power on, I've held the power button for well over a minute in the hopes that it would restart but nothing. I was using the phone just fine today with no hiccups. I've tried charging the phone, but the light will not appear, so it does not seem to be charging. I've also removed the SIM Card, nothing as well. I've tried plugging it into a computer to see if it would sync, and yet again, nothing.
Any solutions?
I'm using the newest P.A.C. ROM, not even overclocked
Click to expand...
Click to collapse
Seem hardware issue you'll to check voltage of the battery (eventually dead), and try another usb cable.
Sent from my ST25i using xda app-developers app
grosmouton said:
Seem hardware issue you'll to check voltage of the battery (eventually dead), and try another usb cable.
Sent from my ST25i using xda app-developers app
Click to expand...
Click to collapse
I have used 3 different USB cables in the vicinity and none of them have worked. How would I go about checking my voltage?
Use a multimeter, if you dont have one youll need to find someone with the same phone and test with his.battery.
Sent from my ST25i using xda app-developers app
plug it in to an ac charger not usb let it charge for a few hours then unplug it and hold power or power+volume down under a bright light.
your HTC One is a doorstop, a brick, a paperweight, useless now.
Sent from my SGH-I747 using xda premium
psp9000333 said:
your HTC One is a doorstop, a brick, a paperweight, useless now.
Sent from my SGH-I747 using xda premium
Click to expand...
Click to collapse
your reply is not helpful. if you dont have anything helpful to say then what is the point of posting. other people have had this exact problem and their phone came back on after charging for a while. this is not what xda is we are a community that helps each other
grosmouton said:
Use a multimeter, if you dont have one youll need to find someone with the same phone and test with his.battery.
Sent from my ST25i using xda app-developers app
Click to expand...
Click to collapse
I do not have a multimeter, I use to have one. When I get home I will use my standard wall socket charger and if nothing happens it is most definitely a hardware issue. Hopefully my AT&T store is open tomorrow and they can help me address the issue. If I get it on before then I will update this thread with a solution.
What caused this to happen?
Sent from my HTC One using xda premium

[Q] My note shuts off as soon as Rom boots..

Hello, I am having a problem with my note and it is scaring me. As soon as my note boots it is shutting off completely and restarting. I was just using it with fine last night. I had the uber kernel installed and oced to 1.9 cpu but it wasn't even that hot.. After thinking it was the Rom that was causing this I did a complete wipe and flashed the candykat Rom, upon boot when the cyogenmod log in screen appears it shut down and rebooted again.. twice. I'm hoping nothing is damaged internally. I am able to stay in the recovery just fine without any problems. Please help me.. And when I say shutdown I mean insta black screen and reboot..
Sent from my PG86100 using xda app-developers app
Hello, I am having a problem with my note and it is scaring me. As soon as my note boots it is shutting off completely and restarting. I was just using it with fine last night. I had the uber kernel installed and oced to 1.9 cpu but it wasn't even that hot.. After thinking it was the Rom that was causing this I did a complete wipe and flashed the candykat Rom, upon boot when the cyogenmod log in screen appears it shut down and rebooted again.. twice. I'm hoping nothing is damaged internally. I am able to stay in the recovery just fine without any problems. Please help me.. And when I say shutdown I mean insta black screen and reboot..
Sent from my PG86100 using xda app-developers app
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Click to collapse
Stuck power button. Doesnt matter if its clicking fine, flick the back of your phone a few times with your finger.
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captemo said:
Stuck power button. Doesnt matter if its clicking fine, flick the back of your phone a few times with your finger.
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Click to collapse
Holy **** is staying on now!! ONG THANKYOU SO MUCH I LOVE XDA! You are so getting thanked!
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What if it keeps happening? Do I have to replace button?
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TeChNoC4AzY said:
What if it keeps happening? Do I have to replace button?
Sent from my PG86100 using xda app-developers app
Click to expand...
Click to collapse
there are many that are not scared, I am and wouldn't do it.
if you are saavy enough, many will open phone up and clean the contacts and switch with a swap and some rubbing alcohol.
are you sporting enough?
captemo said:
there are many that are not scared, I am and wouldn't do it.
if you are saavy enough, many will open phone up and clean the contacts and switch with a swap and some rubbing alcohol.
are you sporting enough?
Click to expand...
Click to collapse
Idk if I will do that lol. But now I think I know what the problem is. So yesterday I was using my note and it shut off. The battery was full and when it restarted the battery all the sudden dropped to 60%. It turned off again and went to 1%... I thought it was glitching when it said 1% but after amin it shutdown due to low battery. One thing I then tried was having my phone plugged in while using it and I played games, used my phony heavy and what do you know.. It didn't turn off. So I'm thinking I have a bad battery. PS: I took my note to a pawn shop and they said the battery was bloated. He said it wasn't supposed to spin while on a flat surface.. What do you think?
It seems while I'm playing a game the battery heats up and that causes shutdown cause I'm typing this and I don't have my charger plugged in and its fine..
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Yes a bulging battery is a sign that it's bad. Batteries are cheap. Especially on eBay. I buy an extra battery and charging dock for all my devices. This way one is always fully charged, and I don't have to plug in the device unless I need Odin or to file transfer. I learned that lesson 2yrs ago when my usb charging port went bad.
440bro said:
Yes a bulging battery is a sign that it's bad. Batteries are cheap. Especially on eBay. I buy an extra battery and charging dock for all my devices. This way one is always fully charged, and I don't have to plug in the device unless I need Odin or to file transfer. I learned that lesson 2yrs ago when my usb charging port went bad.
Click to expand...
Click to collapse
Yeah it has to be the battery. Earlier today when I was using my note it said low battery at 2%, I looked at my phone afew minutes later and it said 4%?? Lol. The charger wasn't even plugged in.
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If my power button was stuck would I see the shutdown menu before it rebooted, shutdown, reboot, sleep, etc? I'm just trying to make sure my battery is the problem.. I don't want to deal with a power button..
Sent from my SAMSUNG-SGH-I717 using XDA Premium 4 mobile app
No you won't see the power menu. It just keeps restarting. I don't think you'd even see your home screen because it restarts before the rom loads.
440bro said:
No you won't see the power menu. It just keeps restarting. I don't think you'd even see your home screen because it restarts before the rom loads.
Click to expand...
Click to collapse
Oh well then. That's awesome because I'm able to use my phone for more than 5 mins without it shutting down. It usually shuts down when I start playing a game or something intensive. So it has to be the battery! I'm really happy.
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Well my phone shut off again when using another not as bad but still a bit puffed out note battery. I don't understand what's going on here... I'm scared to buy a new one thinking that It won't work still... my phone never turns off as much when the charger is in... But guaranteed with battery only. Less than 10 mins.
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Droid DNA won't turn on, Please Help

The software on the phone was acting up and the phone kept randomly turning on and off, so I opened up recovery and tried to restore an old back up so I could keeping using it. Well, little did I know the phone was going to die half way through the restore. The phone will now not turn on, and it wont charge. I'm wondering if the software is required to charge the phone, does anyone know?
First question why did you run a restore with a pretty much dead phone.
Second can you hold power button and does any of the buttons flash.
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Probably bricked it. If you can't get into the bootloader your only option is jtag.
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