So yesterday I was messing around with rooting and setting up CWM. It was quite frustrating, but not for the usual reasons: turns out that my Nexus 7 likes to turn the backlight completely off during parts of the boot process (the google and X logos) and always in CWM so it looks like it is off when it in fact is doing something. To be able to see anything I have to shine a very bright light (using Torch on my phone right now) on the display. However during normal usage, there are absolutely no issues with the backlight.
Any Ideas?
I can try to take pictures of it later, but I don't have a very good camera.
Bump. Anybody?
Same problem here. No idea why it happens.
I contacted Google and they're going to replace it.
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Return it to stock bootloader and ROM to rule the changes didn't introduce issues.
I did, it's definitely a hardware issue
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I don't mind it actually since it only happens during boot. Not much of a problem here.
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If you intend to flash custom roms it's a huge problem lol.
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Ive noticed when watching any type of video my 7 keeps slowing dimming to the point it goes off . I've tried messing with the sleep its on 15 or 30 mins. Has anyone else had or got this problem, its really pissing me off now. Ive already had to put up with flickering and screen lift good seriously needed to test this out before putting it to production the flaws are a complete joke my nexus s doesn't give me all these problems
Yes my s is slower than the 7 but it works better than this piece of garbage
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tonyt3rry said:
Yes my s is slower than the 7 but it works better than this piece of garbage
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Get a refund
I believe that it's up to the app itself to keep the display on, so depending on what you're trying to play, you may want to try a different player.
Its on YouTube its self the device has went completely dead I can't even turn the screen on now. I've loved the Google brand since owning my first android phone the nexus S but this has put me right off it.
Sent from my Nexus S using xda app-developers app
So yeah, was just using my N7 about 30 minutes ago. Just picked it up and the screen won't come on. Happened earlier this week too.
The weird thing is, my computer still recognizes it (obviously the tablet is still on) but ADB doesn't seem to notice it. Any ideas?
It was connected on computer or power?
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maztahbr said:
It was connected on computer or power?
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Neither it was just sitting on my desk. Just got it to reboot after 10+ times. Really wanna know what's going on, because it's annoying as hell.
I recall seeing another thread about this. Disable auto-brightness. Your screen is on, just that the brightness is turned down completely.
Sent from my Nexus 7
Hmm, turning auto brightness off. Let's see if that'll work. Thanks for the help.
OK so I have a wierd problem with my nexus. When I turn it off it won't turn back on doesn't matter if there's a USB or not. After a few hours sometimes it works sometimes it still doesn't. This is a huge problem and it stops me from getting into the boot loader. Should I just go to the store and get a new one or is there a fix?
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I kinda have the same problem too, sometimes it takes a while to power on. All i do is hold the power button until the google logo shows up. Try that.
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Device : Nexus 7
Running : Android 4.1.2 Rooted
Problem : I was trying to unroot it and flash a 4.2.2 ROM to the device and i ended up bricking it somehow. I looked around a lot on here and youtube. I found one solution i had not tried which was to get into recovery mod. But the device was stuck on the boot loaded. So i hard shut it down, and pressed the key combination to load the boot loader. And, the screen wasn't loading. I heard the little chimes my computer makes when ever a USB device is active, so i heard the thing load into the boot loader. But its not showing on the screen!
Please help i really shouldn't have done this. But i am literally about to cry.
I tried using Wugfresh's Nexus toolkit to flash the ROM, and it would stop on sending system.
I dont know if i did something wrong, if the kernel was messed up, if the kit wasnt right, please as the video said there is 4 million members here. someone has to know what to do...
-Sean
That is not the bootloader. You need to have your device disconnected from your pc. Then go to your bootloader.
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graydiggy said:
That is not the bootloader. You need to have your device disconnected from your pc. Then go to your bootloader.
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Okay. I disconnected it and started the tree button combination.
Annnnd Nothing is happening.
Should i try plugging it into the wall outlet?
Volume up and power. Its not a 3 button combo.
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graydiggy said:
Volume up and power. Its not a 3 button combo.
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I feel kind of stupid.
Nope. Not working. And its not the battery. its plugged into the wall.
Just a noob guess, Is it possible the device isnt even using the display? Like its so messed up that its per say not even realizing it has a screen?
Try volume down and power. It is possible that the screens flex cable came loose. Pop the back off and check. You should be getting some visual queue. If all else fails hold the power button for awhile. Like around 15 to 20 seconds. I have had to do that a few times. That should fix it.
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graydiggy said:
Try volume down and power. It is possible that the screens flex cable came loose. Pop the back off and check. You should be getting some visual queue. If all else fails hold the power button for awhile. Like around 15 to 20 seconds. I have had to do that a few times. That should fix it.
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OKay. Whats the best tool i should use to get it open?
Also thank you so much for your help.
You can use a fingernail really. The best thing is a plastic spuger. A guitar pic works nicely. Just start at the bottom and work your way around.
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---------- Post added at 11:56 PM ---------- Previous post was at 11:53 PM ----------
Have you dropped the device at all or sat on it? If you are getting no visual queues, either you have a loos flex cable, or the lcd is cracked or just non functional all together. The best way to check that is to shine a flashlight at an angle into your screen. Look for any odd lines that have a slight or significant curve to them.
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graydiggy said:
You can use a fingernail really. The best thing is a plastic spuger. A guitar pic works nicely. Just start at the bottom and work your way around.
Sent from my SPH-D710 using xda premium
---------- Post added at 11:56 PM ---------- Previous post was at 11:53 PM ----------
Have you dropped the device at all or sat on it? If you are getting no visual queues, either you have a loos flex cable, or the lcd is cracked. The best way to check that is to shine a flashlight at an angle into your screen. Look for any odd lines that have a slight or significant curve to them.
Sent from my SPH-D710 using xda premium
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Assuming i found the right cable which was under a copper shielding that was running up from the metal frame under the battery. It was yellow.
It was tucked all the way in.
I didnt see any cracks or lines. I did sit on my pillow was under it.
That could possibly break the device. I just recently broke mine the other day in similar circumstances. The cable is right by the battery on the right. Should be almost centered by the batt.
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graydiggy said:
That could possibly break the device. I just recently broke mine the other day in similar circumstances. The cable is right by the battery on the right. Should be almost centered by the batt.
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Oh. But it was working the other day. Does it just do that?
and Yes i got the right cable. So what can i do now? It was rooted so i cant send it back, Is there anything i could do?
You technically could send it back... They can't confirm it is rooted unless you unlock the bootloader and the little lock thing shows up on the splash screen. And since your screen doesn't work, they can't see it unless they test the device after replacing the screen assuming they don't replace the whole unit. But I don't know their procedures. Most companies just replace the whole thing. The screen shouldn't just go out. Not saying it doesn't happen, but it shouldn't.
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graydiggy said:
You technically could send it back... They can't confirm it is rooted unless you unlock the bootloader and the little lock thing shows up on the splash screen. And since your screen doesn't work, they can't see it unless they test the device after replacing the screen assuming they don't replace the whole unit. But I don't know their procedures. Most companies just replace the whole thing. The screen shouldn't just go out. Not saying it doesn't happen, but it shouldn't.
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Alright. Ill call Google in the morning. I actually was following a guide i saw on a google forums thing where it said to flash the ROM if its not updating as it should. Which is what was happening.
Seanwoodfin99 said:
Alright. Ill call Google in the morning. I actually was following a guide i saw on a google forums thing where it said to flash the ROM if its not updating as it should. Which is what was happening.
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Well good luck. Never thought one could fully brick a Nexus 7. From my understanding, it is damn near impossible. Tell them that you were updating to 4.2.2 and it won't boot up at all now. That should avoid them replacing the screen and checking everything ultimately getting you a whole new device. I know you said it's not the battery, but try charging it overnight and the try to boot it up. I have seen so many people think they bricked, but discovered later on down the line 'up to 6 months later' that their battery was just dead.
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graydiggy said:
Well good luck. Never thought one could fully brick a Nexus 7. From my understanding, it is damn near impossible. Tell them that you were updating to 4.2.2 and it won't boot up at all now. That should avoid them replacing the screen and checking everything ultimately getting you a whole new device. I know you said it's not the battery, but try charging it overnight and the try to boot it up. I have seen so many people think they bricked, but discovered later on down the line 'up to 6 months later' that their battery was just dead.
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Yep its charging now.
Ill call in the AM if its not going. I got a case number and everything and i have Asus's number.
But seriously thanks for all the help youve given me.