[Q] Help! Nexus7 won't turn on! - Nexus 7 Q&A, Help & Troubleshooting

Totally new here. got my nexus 7(2012) since nov 2012. This morning, I was chatting with friends and my device suddenly froze for 10 mins. i couldnt wait long so i restarted it by holding the power button. now it won't open even if i did the power + volume keys, nothing appears. even when i plug it in the wall charger or on my pc and laptop. still no charging logo or any indication it was on and my laptop says installing new device but always ends up failing so i cant back up my files from my device. I'm not a techy person so i made absolute no effort to root my device. just chatting and some occasional gaming. Please help can't afford to buy a new device for a long while
*btw its a 32gb nexus 7(2012). not sure if this additional info is helpful or not.

Do you get any sort of screen when you try to turn it on ? I.E. do you see the Google logo for a few seconds? Or do you see nothing?
My guess is with a hardware failure or your battery has come loose. When my battery becomes unplugged, I will see the Google logo and then a bunch of funky colors and it will reboot constantly when plugged in. It dies if unplugged, and It also turns on the second it is plugged in.
So if you suspect the battery, there are videos on YouTube to walk you through popping the back off along with pushing the battery back in. I used black electrical tape to hold my battery in place better once I confirmed that was what my problem was.
Merrell
Sent from my Nexus 7 using Tapatalk 4

I would check to see if the battery connection came loose. Its an easy fix to try and was your tablet overly hot or any bulging?
Sent from my Nexus 7 using Tapatalk

Dark Jedi said:
I would check to see if the battery connection came loose. Its an easy fix to try and was your tablet overly hot or any bulging?
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
i am so sorry for not replying. i know its too late now because i was asking this info on another thread. i i already tried removing and reinserting the battery on my device.
the nature of my device is that its all black screen. even when you charge it, theres no charging animation that shows or any backlight. its like its really off without anything plugged.
when i plugged it in the pc under device manager, it says apx mode. kinda depressed cuz i think the device is already dead cuz i cant even do the power button + vol down thingie :crying:.

Try pressing and holding in the power button for a long time, up to a minute.
Sent from my Nexus 4 using XDA Free mobile app

Related

bricked? red flashing led

Just got my nexus 4, and after it was left in cwm for about 10 minutes (while I was making breakfast) it went to a black screen and now just the red led notification led is flashing whenever plugged in, and on my mac in system profiler it shows "composite device", any suggestions?
Thanks!
nycbjr said:
Just got my nexus 4, and after it was left in cwm for about 10 minutes (while I was making breakfast) it went to a black screen and now just the red led notification led is flashing whenever plugged in, and on my mac in system profiler it shows "composite device", any suggestions?
Thanks!
Click to expand...
Click to collapse
Is your device hot to the touch?
Sent from my Nexus 4 using xda premium
20 second press on power button
No luck
Sent from my HTC One X using xda premium
Don't know if you want to do this, but you can open the phone and disconnect and reconnect the battery connector...
What was your battery level, I know in other devices some times the CPU(s) run at full speed in recovery allowing for quicker flashing this could discharge the battery rapidly. Also a flashing red LED when plugged in normally means the phone is charging but doesn't have enough charge to reliably turn on, leave it plugged in for about 15 minutes and try turning it on again.
Try holding down the VOL + and - keys along with the powerbutton (after turning it off by holding down the power button for an extended time) and see if you can get into fastboot. My friend's Nexus 4 kept bootlooping after he unlocked the bootloader but booted straight to CWM after, not letting it erase userdata first.
Net.silb said:
Don't know if you want to do this, but you can open the phone and disconnect and reconnect the battery connector...
Click to expand...
Click to collapse
I have no problem doing this, the phone seems easy to disassemble, looks alot like a overgrown iPhone 4, 2 screws on the bottom. I just hope its an easy slide, I don;t want to mar it in case I have to exchange it.
jakejm79 said:
What was your battery level, I know in other devices some times the CPU(s) run at full speed in recovery allowing for quicker flashing this could discharge the battery rapidly. Also a flashing red LED when plugged in normally means the phone is charging but doesn't have enough charge to reliably turn on, leave it plugged in for about 15 minutes and try turning it on again.
Click to expand...
Click to collapse
I thought this as well, its been plugged in for at least an hour now.
Oh and now I don't even get the red led!
good times..
I've got the exact same issue. Plugged it in last night to charge and this morning it wouldn't turn on. Plugged and unplugged it and the red LED starts flashing. After a minute or so I'm getting the battery charge animation on the screen - so the red LED is power related. Now to see if it actually charges up and boots.
Hi nycbjr. I have seen a similar issue posted here, but I can't find the thread at the moment, try searching. If I remember correctly then he got it working by holding power, volume keys and then plugging in the charger.
nycbjr said:
I have no problem doing this, the phone seems easy to disassemble, looks alot like a overgrown iPhone 4, 2 screws on the bottom. I just hope its an easy slide, I don;t want to mar it in case I have to exchange it.
I thought this as well, its been plugged in for at least an hour now.
Oh and now I don't even get the red led!
good times..
Click to expand...
Click to collapse
Try a different charger?
Unlucky
Get a Free £5 On a GiffGaff sim
Called google, they are sending me another one advanced replacement, so I can send the bad one back at me leisure.
Good customer service!
Qhsusb_dload
nycbjr said:
Called google, they are sending me another one advanced replacement, so I can send the bad one back at me leisure.
Good customer service!
Click to expand...
Click to collapse
Hi!! I have the exact same problem, unfortunately the phone is bricked! Does anyone know how to fix this? I saw a video on youtube Nexus 4 - JTAG Brick Repair Service
CalogeroIndorato said:
Hi!! I have the exact same problem, unfortunately the phone is bricked! Does anyone know how to fix this? I saw a video on youtube Nexus 4 - JTAG Brick Repair Service
Click to expand...
Click to collapse
If u are fully bricked JTAG is the way to go.
Sent from my Nexus 4 using Xparent BlueTapatalk 2
Here seems to be a similar thread, maybe you'll find help there.
http://forum.xda-developers.com/showthread.php?t=2111947

So..my nexus 7 won't turn on..

Recently updated my n7 to 4.2, haven't done anything beyond rooting. I woke up this morning, watched an episode of Prison Break via Netflix and went to work. I always plug it in before I leave, and it was saying it was charging before I left.
I get home from work today, and upon trying to unlock the device, it doesn't turn on. I unplugged it, checked the plug in it was using, even tried multiple different electrical sockets. Plugging it in usually brings up the off charging animation, but nothing. Anyone know what might be going on?
My sincerest apologies if this has been asked/questioned before; I did a little searching before I posted this and couldn't find anything about it. Thanks in advance.
Sent from my Nexus 4 using Tapatalk 2
Try holding down the power button for 10-20 seconds.
If that doesn't work, try leaving it plugged in for a couple hours and check back on it.
Also try plugging it into the computer and seeing if your screen has gone bad, the Nexus 7 should still come up if it's on.
...I really can't believe I made a post for this..rofl. Thanks a lot, I guess I'm just a little too impatient to hold the power down longer than five seconds.
If mods wanna delete, feel free.
Sent from my Nexus 4 using Tapatalk 2
atermify said:
...I really can't believe I made a post for this..rofl. Thanks a lot, I guess I'm just a little too impatient to hold the power down longer than five seconds.
If mods wanna delete, feel free.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
Don't know if it's any consolation but I did exactly the same thing this morning
stephen dagostino said:
Don't know if it's any consolation but I did exactly the same thing this morning
Click to expand...
Click to collapse
Feels good knowing someone's as paranoid as I am
Sent from my Nexus 4 using Tapatalk 2
Same thing happened to me ... I turned it off and it was not turning back on .. I came to know from a certain forum that this is a common issue.. Solution was simple but î had to hold the power button for complete 30 seconds
Sent from my Nexus 7 using xda app-developers app
Mine is completely dead even when I hold power on button for 30 seconds, plugging into charger - no response too
Wysyłane z mojego Xperia S za pomocą Tapatalk 2
Try holding down vol up & down buttons and then the power button. Then you should be in the reboot/recovery menu. It should say start. Push power button to power up.
Sent from my Nexus 7 using xda app-developers app
Doesn't help mate. Tried everything, will send on RMA tomorrow :-\ ehh. Just before this sudden death my n7 started to lag a lot, I had almost 2 GB free so what is going on?
Wysyłane z mojego Xperia S za pomocą Tapatalk 2
atermify said:
Recently updated my n7 to 4.2, haven't done anything beyond rooting. I woke up this morning, watched an episode of Prison Break via Netflix and went to work. I always plug it in before I leave, and it was saying it was charging before I left.
I get home from work today, and upon trying to unlock the device, it doesn't turn on. I unplugged it, checked the plug in it was using, even tried multiple different electrical sockets. Plugging it in usually brings up the off charging animation, but nothing. Anyone know what might be going on?
My sincerest apologies if this has been asked/questioned before; I did a little searching before I posted this and couldn't find anything about it. Thanks in advance.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
Had the same issue today...thanks to all for the quick and easy fix...feel like such a dork!
I'm having the same problem, last night I tried to turn on my Nexus7 and had issues.
My device is locked and upgraded to 4.2
While booting, the device would get to the lock screen then immediately power down. While it was powering down the screen would fuzz over and glitch a few times. As soon as it turned off it would repeat the process. I eventually got it into the boot loader and I noticed "based version: N/A" I'm not sure what that means but I hit start and now all it does is get stuck at the multi-colored X logo.
Getting back into boot loader I tried recovery mode, the response is "No command". Tried plugging it into my PC and I get the little (ba dum) sound but no device or folders to be scene.
I think i'm in trouble. I wanted to see if I could root it just so the device works again but I can't access it on my PC.
Can anyone think of a step or process I forgot to try?
My Nexus 7, wont turn on anymore either i charged it , it was very low went down to 11% battery so i turned it off and charged it, saw the battery on the screen and now.. It will not turn on, unit feels very warm when charging. It started to lag a bit , before i turned it off.. its normal software as supplied by nexus. so..> no matter how long i hold the buttons.. its off and screen stays black..
doh....asked for RMA number..only used it for a month
My Nexus 7 32Gb won't turn on either. I've been having since I got it the battery has been showing 0% since I turned it on. Regardless of how much charging I did it never changed. It ran fine and was told it might be to do with calibrating the battery but it then started to have problems turning on. It's gone off and I've tried the various power on options mentioned in this thread and nothing is working.
I guess it means a return to Carphone Warehouse. I had just got it all set-up as well.
I had rooted it and manually upgraded it to 4.2.1. It was running fine bar the 0% battery issue. I did the same thing to my Mum's 16Gb Nexus 7 and no problems at all with that one.
atermify said:
Recently updated my n7 to 4.2, haven't done anything beyond rooting. I woke up this morning, watched an episode of Prison Break via Netflix and went to work. I always plug it in before I leave, and it was saying it was charging before I left.
I get home from work today, and upon trying to unlock the device, it doesn't turn on. I unplugged it, checked the plug in it was using, even tried multiple different electrical sockets. Plugging it in usually brings up the off charging animation, but nothing. Anyone know what might be going on?
My sincerest apologies if this has been asked/questioned before; I did a little searching before I posted this and couldn't find anything about it. Thanks in advance.
Sent from my Nexus 4 using Tapatalk 2
Click to expand...
Click to collapse
Hold the power button for 10 seconds or more.Happened to me just yesterday.
Plugin Nexus 7 does not bring up the charging animation.But after holding the power button for about 10 seconds,the boot animation finally appeared
New Nexus 7 Died after 2 Hrs Use
Nexus 7 shut off after only 2 Hrs of use and placed on USB charge. Tried holding button down for 30 Seconds and up/down combination with Power and nothing worked. Opened back cover carefully and patiently with Plastic Opening Tool I already had. Disconnected battery for thirty seconds then replaced connector without removing battery. Snapped cover back on. Hit power and it turned on. Do not use metal on case to open. Hope this helps. I got the idea from Youtube Video. I'm a new user and Not allowed to post links yet. Nexus 7 Teardown Review.
Rcoil73 said:
Hold the power button for 10 seconds or more.Happened to me just yesterday.
Plugin Nexus 7 does not bring up the charging animation.But after holding the power button for about 10 seconds,the boot animation finally appeared
Click to expand...
Click to collapse
He already fixed it. Lol. I suggested that in the second post.
Uvuulas said:
Nexus 7 shut off after only 2 Hrs of use and placed on USB charge. Tried holding button down for 30 Seconds and up/down combination with Power and nothing worked. Opened back cover carefully and patiently with Plastic Opening Tool I already had. Disconnected battery for thirty seconds then replaced connector without removing battery. Snapped cover back on. Hit power and it turned on. Do not use metal on case to open. Hope this helps. I got the idea from Youtube Video. I'm a new user and Not allowed to post links yet. Nexus 7 Teardown Review.
Click to expand...
Click to collapse
Good tip. Thanks.
Sent from my Nexus 7
Stop... MUFFIN TIME!!!
Thanks
rcarsalan said:
Same thing happened to me ... I turned it off and it was not turning back on .. I came to know from a certain forum that this is a common issue.. Solution was simple but î had to hold the power button for complete 30 seconds
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Thanks a lot I holded power button for more than 15 sec it got powered on thanks for your information.I am Happy now.
Man, I was just freaking out. Just got the wifi 16 on Monday. Rommed it as soon as I got home. Was using it at my local watering hole, and it suddenly just would not respond. Black screen, yadda yadda.
15 seconds of holding the power button and boom. Google logo, and then SmoothROM's boot ani. *wipes forehead* Never been so happy to see Jessica Nigri's face! lol
Thank You
I had been turning the Nexus on and off for the last couple of days, No "problems".
I tried to turn it on a couple of minutes ago and NOTHING. I even pluged it in and the battery charging icon did not turn on.
I also tried holding the button for 5 seconds but still nothing.
Fix:
I had to held the button for over 15 seconds to get it to turn on.
Thanks!
Similar problem with my nexus 7. Battery charge shows up when i plug it in. If I try to turn it on while its plugged in, i get what looks like static and lines on the screen. When I unplug it, it dies. If I hold the power button down, and plug it in, it will boot normally, and everything seems to work fine, but the battery shows as dead, and as soon as I unplug it, it dies.Just got it, it came with 4.2.1 running on it, it was an open box from Best Buy, and developer options were already enabled on it. Looks like someone tried to root it, f'd it up, and returned it. Guess I'm taking it back and returning it as well. Just a major pain as it's 1.5 hours each way from where I live to the closest best buy and back.
My problem is an easy fix, return it. However, I'd like to know if anyone figures out a fix for this incase it happens in the future.
Thanks.

What to do if Nexus cannot turn on?

I know a Nexus 4 doesn't have a removable battery, but what if it bricks, bad flash, won't boot, stuck on boot, etc.,
I know holding down all the buttons reset it, but what if it's stuck on boot? How would you get it to fully turn off and get back into recovery?
Holding power for 10 seconds will turn off pretty much any phone which doesn't have a removable battery. You'd struggle to brick this phone though provided you read instructions and don't do anything ridiculously stupid such as flashing a ROM for a different phone.
Nigeldg said:
Holding power for 10 seconds will turn off pretty much any phone which doesn't have a removable battery. You'd struggle to brick this phone though provided you read instructions and don't do anything ridiculously stupid such as flashing a ROM for a different phone.
Click to expand...
Click to collapse
my nexus 4 will not turn on and i had the same rom and kernal on it for over a week and a half. The battery died one day and sense then the phone will not boot. Idk what to do as this is the first LG manufactured phone ive done any kind of flashing on since the LG optimus v so im lost. Tried the holding of all buttons as well as seeing if the computer picked up a trace of the phone.
Sometimes you can goose it by plugging it in for a minute, then unplugging. But in the past on various phones I've seen that they might not start charging for a while after plugging in - plug it in and leave it for a while. Overnight at least.
Sent from my Nexus 7 using Tapatalk HD
i got same problem last time . i cant turn it off , but i was holding power button almost like 20sec , then it reboot again and back to normal , very weird .
You can open up the device using the two screws below, you have to disconnect the ribbon cable connected to the battery and reconnect it which is risky and not recommended but if the issue is that bad then that's the way to go.
Sent from my Nexus 4

[Q] Nexus 10 wont turn on.

I placed my nexus 10 on charging yesterday, and after a while (2-4 hours later) when i came back, i found the device to be turned off, I tried the power button in all the combination with volume buttons, but still no luck (even held the power button for 3mins) I searched online, and couldnt find any help on other forums. Some said to keep it on charging overnight and then try powering it up. But still no luck.
I dont get any notification when i connect it to charger, although when i press the power button while connected the screen lights up, and battery charging sign shows up.
Any help would be greatly appreciated.
epicbearman said:
I placed my nexus 10 on charging yesterday, and after a while (2-4 hours later) when i came back, i found the device to be turned off, I tried the power button in all the combination with volume buttons, but still no luck (even held the power button for 3mins) I searched online, and couldnt find any help on other forums. Some said to keep it on charging overnight and then try powering it up. But still no luck.
I dont get any notification when i connect it to charger, although when i press the power button while connected the screen lights up, and battery charging sign shows up.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
So you cannot even get to the recovery?
You ether over charged it (very unlikely to happen) or you have a faulty N10.
Sent from my Nexus 4
andyabc said:
So you cannot even get to the recovery?
You ether over charged it (very unlikely to happen) or you have a faulty N10.
Sent from my Nexus 4
Click to expand...
Click to collapse
No, can't even get to recovery. But i have been using the device for over two months now, nothing like this ever happened. What about the charging sign when i press the power button. It might be some kind of a sleep mode or something, no?
epicbearman said:
No, can't even get to recovery. But i have been using the device for over two months now, nothing like this ever happened. What about the charging sign when i press the power button. It might be some kind of a sleep mode or something, no?
Click to expand...
Click to collapse
Could be a bootloader corruption, software issue, hardware issue or some part of the hardware "thinks" that it is still on when it is not causing it to not switch on.
Have you noticed any issues before it just came off like extreme overheating?
Sent from my Nexus 4
andyabc said:
Could be a bootloader corruption, software issue, hardware issue or some part of the hardware "thinks" that it is still on when it is not causing it to not switch on.
Have you noticed any issues before it just came off like extreme overheating?
Sent from my Nexus 4
Click to expand...
Click to collapse
Well, yes the tablet was getting overheated after a long session of hd videos, or games, but that use to happen all the times.
I believe this is normally called a "Sleep of Death" or sometimes "screen off death". Hold power + vol up + vol down at the same time for 5 seconds and you should boot into fastboot. From there hit the power button to turn the tablet on. Then go about finding a better ROM/kernel combo that doesnt give you this problem.
EniGmA1987 said:
I believe this is normally called a "Sleep of Death" or sometimes "screen off death". Hold power + vol up + vol down at the same time for 5 seconds and you should boot into the bootloader. From there hit the power button to turn the tablet on. Then go about finding a better ROM/kernel combo that doesnt give you this problem.
Click to expand...
Click to collapse
Like i said, its not working i tried using that combination, it wouldnt budge. Screen wont even turn on.
EniGmA1987 said:
I believe this is normally called a "Sleep of Death" or sometimes "screen off death". Hold power + vol up + vol down at the same time for 5 seconds and you should boot into the bootloader. From there hit the power button to turn the tablet on. Then go about finding a better ROM/kernel combo that doesnt give you this problem.
Click to expand...
Click to collapse
You just need to press power and volume down to enter the bootloader.
Sent from my Nexus 4
---------- Post added at 11:35 PM ---------- Previous post was at 11:34 PM ----------
epicbearman said:
Like i said, its not working i tried using that combination, it wouldnt budge. Screen wont even turn on.
Click to expand...
Click to collapse
Try press and holding the power button for around 10 seconds and then try powering it up again.
Sent from my Nexus 4
Are you using the charger/cable that came with your device?
Its working.
Weird how it was taking any input from the power button though. I kept the tablet on charging over night and i tried turning it on in the morning and it worked.
Thank you all.
epicbearman said:
Its working.
Weird how it was taking any input from the power button though. I kept the tablet on charging over night and i tried turning it on in the morning and it worked.
Click to expand...
Click to collapse
I've had my Nexus 10 for less than a week, and this morning I encountered this problem. I was working on setting up syncing through an app called FolderSync and SugarSync. Syncing of one of the folders seemed to go into a loop. The device locked up completely a couple times. I got the process running again and left it running while I went for a workout. When I came back no way could I get it turned on.
I had tried all the things suggested here before checking here for help. I'll try your "solution" of leaving the device on charge overnight. If I can't get it going tomorrow morning I'll return it to Staples, where I bought it.
I have an iPad and have never encountered anything even close to these problems. Bought the Nexus 10 specifically to run the Vim Touch app for Android. The only Vim app for the iPad is horribly crippled.
Sounds like this thread pretty much exhausted the possibilities by the time epicbearman discovered his "solution," but if by chance anyone has any further suggestions I would be grateful.
Thanks,
Eric Weir
I had the exact problem as the OP and none of my chargers worked. I then googled and found someone that said to try to charge via their PC USB instead of the wall charger. I left it plugged into the USB for a couple of hours and the charge went to 4% ( so it must have been very dead ) and all is well.
I charged it via the usb charger, and connected it to my pc overnight. Try doing that.
Take off the back and disconnect the battery and reconnect it
Sent from my Nexus 4 @1.67 GHz on Stock 4.2.2
IRX120 said:
Take off the back and disconnect the battery and reconnect it
Click to expand...
Click to collapse
Thanks. If I'd gotten this in time, I suspect it would've worked. But when I couldn't get it started after trying everything else and leaving it on charge overnight, I returned it to Staples.
Will order a Nexus 7 from Google. If I can get Vim Touch running successfully---my reason for wanting an Android tablet---and I find the screen to small for heavy writing---I want to get by with a soft keyboard---I'll order another 10 and give the 7 to my daughter.
Thanks again,
Eric Weir

[Q] Nexus 7 (2012) dead. Just flickers

My Nexus 7(2012) 16 gb appears dead. Was on CM11 with TWRP recovery.
Here's what happened :
I was using my N7, the screen froze for a second while scrolling on the browser.
After that a dead black line appeared permanently in the middle of the screen(horizontal).
I figured it might just be the case of dead pixels.
I continued using it like that only.
After a few weeks of usage, now the device won't power up at all.
When i connect to the wall charger, i just get a back light. No display. Nothing.
I tried booting into recovery, but nothing appears on the screen.
I kept it charging for few hours, but no luck.
It only flickers when connected to charger. Disconnecting the charger causes no activity what so ever on the device.
Nothing happens if i connect it to computer via usb.
Any solutions i can try?
Press & Hold the power button for at least 10 seconds while plugged into a power source. If no signs of life after completing the above step my first thought would be a faulty board..
Its just a black blank screen.
Sent from my GT-N7100 using XDA Free mobile app
Well, I would hate to be the bearer of bad news but it appears your device had a critical failure and is now dead... Obvious answer right? HaHa
RIP Nexus :crying:
You can always try and leave it to charger for a day and see if you get some life to your nexus. I had similiar thing with my nexus, I was actually booting new ROM and then it did some flickering and got blacked out. After connecting to charger nothing happened, just random flickering. I was able to recover and get it back in bussiness when I woke up next morning (it had been charging over night). This was almost a year ago and atm I'm writing this with the same particular device. So give it a shot again, you might still get it back to work. Also you could try to boot the device to fastboot mode by pressing power+volume buttons at the same time for a while. Good luck, let me know if you were able to get it boot&work again!
You could also try popping the back off and make sure the ribbon cables for the display are seated properly. While your there check the battery cable.

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