Screen turns on/off randomly - G2 and Desire Z Q&A, Help & Troubleshooting

Hi, I'm new to this forum.
Some days ago my DZ started to turn on the screen randomly when it was locked. The phone is rooted, so i tried to wipe all data and install an updated version of my rom (virtuous), but it did not help. And now the screen also turns on/off (flashes for a couple of seconds) when I use it.
Does anyone has had this kind of trouble before? I hope it's not some hardware that are broken :/
Thanks for helping!

How's your phone now? My G2 was doing what sounds like yours was doing too, and then just died completely (the screen that is everything else works).
I bought a new LCD replacement hoping it would fix the issue. Followed a Youtube bit on replacing it, and successfully reconnected everything, but its not working. I'm going to be taking it apart again tomorrow to see if I possibly missed a connection but I don't think the screen replacement is going to work.
Could be a software issue perhaps. What are your thoughts?

Related

(TMO) TP2 Turns off when screen is closed.

Hi all,
I tried doing a search on this before posting this thread. No luck. I just got my TP2 on sunday. I let it charge and flashed HardSPL and a few roms. I noticed my phone would turn completely off when I open and close the screen. At first, I thought it was the display turning off to save power, but the phone is actually turning completely off and I need to hit the power button and boot it back up again. Is this a setting I need to change? Or could there be something wrong with my phone? I also tried going back to the stock rom to eliminate that as a cause and the same thing happens.
Any help is appreciated.
I have posted an almost similar question here with no reply.
http://forum.xda-developers.com/showthread.php?t=553378
Not sure what the problem is. In my case the solution is not to close the keyboard when OneNote Mobile is still open!
My colleague is having the same prob, from what he is experiencing, i would suggest a hardware fault, probably just a loose ribbon cable... but best send it back to HTC to avoid voiding your warranty
palatkik said:
I have posted an almost similar question here with no reply.
http://forum.xda-developers.com/showthread.php?t=553378
Not sure what the problem is. In my case the solution is not to close the keyboard when OneNote Mobile is still open!
Click to expand...
Click to collapse
I don't OneNote is my problem. Since I don't use it.
rosebud said:
My colleague is having the same prob, from what he is experiencing, i would suggest a hardware fault, probably just a loose ribbon cable... but best send it back to HTC to avoid voiding your warranty
Click to expand...
Click to collapse
I guess it's time to give TMO a call. Just need to flash everything back to stock.
Thanks for the suggestions guys. I was hoping to avoid having to send it back, but i might as well.
Albaholic said:
Hi all,
I tried doing a search on this before posting this thread. No luck. I just got my TP2 on sunday. I let it charge and flashed HardSPL and a few roms. I noticed my phone would turn completely off when I open and close the screen. At first, I thought it was the display turning off to save power, but the phone is actually turning completely off and I need to hit the power button and boot it back up again. Is this a setting I need to change? Or could there be something wrong with my phone? I also tried going back to the stock rom to eliminate that as a cause and the same thing happens.
Any help is appreciated.
Click to expand...
Click to collapse
Hi,
I had this issue to and send the phone in for repair. The said that it was a problem with the mainboard - replaced it and send it back. It now works perfect.
REMEMBER!!! If you want to send the TP2 in for repair you must reflash the SPL back to the original one, I think it is 0.79.0000 (see http://forum.xda-developers.com/showthread.php?t=550131 for how to restore to the original HardSPL)
discoverd the same issue, happened to me about a week ago for a few times, when i slide in/out the keyboard. It just habbend about 4 times, but didn't happend again since this time ... i will have a eye on it...
Same here. The screen turns off completely but the phone actually works and I can receive or place calls. Called the HTC support and they advised to try if a hard reset will fix it before sending the phone in. The tricky part here is that this issue can not be recreated easy in their service as it happens randomly with me (sometimes it works fine for days). I am still trying to find out what causes this issue on first place. I think it started right after I installed IGO 8 and changed some power settings in the ini file but it kept doing this after I removed it. I also tried to disable the light sensor (the one that turns the screen off when you place the handset to your ear during a call) because it looks exactly like this - screen turns off but the phone works. So, I will give it another week and I will try the hard reset.
What roms do you guys have this issue with? I am using the stock T-Mobile US with HardSPL.
wejergang said:
Hi,
I had this issue to and send the phone in for repair. The said that it was a problem with the mainboard - replaced it and send it back. It now works perfect.
REMEMBER!!! If you want to send the TP2 in for repair you must reflash the SPL back to the original one, I think it is 0.79.0000 (see http://forum.xda-developers.com/showthread.php?t=550131 for how to restore to the original HardSPL)
Click to expand...
Click to collapse
Did they replace the entire phone or just the mainboard?
ma6inista said:
Same here. The screen turns off completely but the phone actually works and I can receive or place calls. Called the HTC support and they advised to try if a hard reset will fix it before sending the phone in. The tricky part here is that this issue can not be recreated easy in their service as it happens randomly with me (sometimes it works fine for days). I am still trying to find out what causes this issue on first place. I think it started right after I installed IGO 8 and changed some power settings in the ini file but it kept doing this after I removed it. I also tried to disable the light sensor (the one that turns the screen off when you place the handset to your ear during a call) because it looks exactly like this - screen turns off but the phone works. So, I will give it another week and I will try the hard reset.
What roms do you guys have this issue with? I am using the stock T-Mobile US with HardSPL.
Click to expand...
Click to collapse
Did you ever resolve your issue? i ask because I am having he same problem on a Sprint Touch Pro 2
coppertop24 said:
Did you ever resolve your issue? i ask because I am having he same problem on a Sprint Touch Pro 2
Click to expand...
Click to collapse
Sorry, forgot to update this thread. I ended up getting a replacement from TMO. I am much happier now that my phone doesn't turn off whenever I close the screen. Get a replacement while you can and ask them nicely if they can overnight it to you. I did.
Actually, this was a software problem in my case - I did the hard reset 2 weeks ago and since then I have not experienced the issue. I am going to start installing my previous programs one by one to find out what caused the problem.
Same
I have the same problem,
The hard reset solve the problem?
please heeeeelp

HTC One X Screen won't turn on, touchscreen still work???

I have been using the HOX for over 2 months now but this morning my phone display suddenly doesn't turn on even the backlight key still on and touchscreen still work ( when I sweep my finger up the unlock sound still play, and I can even adjust the volume of the phone, etc... ) I have no ideas if this is a software or hardware problem and how to solve it, I'm still on Stock Rom, Stock Kernel,... Please help me
try to reboot pressing power button for 10 seconds, if it'll not work, it can be hardware problem, as i understood you haven't unlocked it, so you can send it to htc and they will repair it, or if you can, you can change it by yourself,
have you tried starting in bootloader and factory resetting?
glukosio said:
try to reboot pressing power button for 10 seconds, if it'll not work, it can be hardware problem, as i understood you haven't unlocked it, so you can send it to htc and they will repair it, or if you can, you can change it by yourself,
Click to expand...
Click to collapse
Yeah I tried to reset the phone, ai first it worked. But when I turn the screen off and doesn't use it for a few minutes, the problem is back again, It's really odd, I have heard about lots of HOX Screen problem but I haven't seen this one before
So the screen works in bootloader?
maxilick said:
So the screen works in bootloader?
Click to expand...
Click to collapse
Sometimes it does, sometimes it doesn't. Really weird, it feels like the phone has woke up but the display still "think" that it still in standby mode
Hardware fault for sure.
Same Problem
Hey, ive been using my international HTC One X for about two months too now and there have been no problems. ever since the update to 4.0.3 ive been facing exactly the same problem. The screen does not turn on a lot of the time but the touch is active. Have you found any solution to it?
It would be great if you could help me out.
Thanks
mr1029x said:
I have been using the HOX for over 2 months now but this morning my phone display suddenly doesn't turn on even the backlight key still on and touchscreen still work ( when I sweep my finger up the unlock sound still play, and I can even adjust the volume of the phone, etc... ) I have no ideas if this is a software or hardware problem and how to solve it, I'm still on Stock Rom, Stock Kernel,... Please help me
Click to expand...
Click to collapse
I have the same problem now. Using it completely stock, the screen doesn't turn on. Well.... Except for the times I visit the Vodafone shop to get it fixed....
Their first reaction was a defect in the screen, so they ordered a new one. I brought it yesterday again and it is now in for repair.
I don't know if this will solve the problem. How did they fix yours?
Sent from my HTC One S using xda app-developers app
JacoA said:
I have the same problem now. Using it completely stock, the screen doesn't turn on. Well.... Except for the times I visit the Vodafone shop to get it fixed....
Their first reaction was a defect in the screen, so they ordered a new one. I brought it yesterday again and it is now in for repair.
I don't know if this will solve the problem. How did they fix yours?
Sent from my HTC One S using xda app-developers app
Click to expand...
Click to collapse
I can't believe it...
I get my HOX fixed last week and I worked normally again. But after 2-3 days, the problem is back again. I contact HTC and they said they even replaced my MOTHERBOARD and Screen. Wtf is happening???
،،
hey guys
I had this problem a month ago, i know its frustrating.
anyway the only solution is factory rest from boot loader and flash RUU (worked for me)
the first time i had it, i did a factory reset, all my pics music were gone, phone went back to normal( stock, locked)
after a day the problem appeared again, second rest.
flashed RUU and the problem is gone. thanks god i have been using my HOX about a month science that problem and every thing is working great.
im sure its a software issue and I recommend every one to back up their files(pics,music)
just flash RUU and good luck
Lol, exactly the issue I had recently had with mine. Sent it backto htc, let's see what they would do about it.
Sent from my HTC Sensation 4G using Tapatalk 2
My colleque has the same issue with his One X.
It started with suddenly everything on his screen looking "zoomed in", so everything double size, looking ugly as a mofo, and not usable. After locking the sceen and unlocking again, it was fine.
Monday suddenly also screen didn't want to turn on anymore. Did the hard reboot for him, and it worked again... Untill he locked his screen and wanted to unlock, same issue.
Also, that time when doing the hard reboot, screen didn't turn on at all. Did another one, and worked again.
He's now sent it in for repair, this definately sounds like ahrdware issue, even full reset through bootloader didn't help.
mhulsegge said:
My colleque has the same issue with his One X.
It started with suddenly everything on his screen looking "zoomed in", so everything double size, looking ugly as a mofo, and not usable. After locking the sceen and unlocking again, it was fine.
Monday suddenly also screen didn't want to turn on anymore. Did the hard reboot for him, and it worked again... Untill he locked his screen and wanted to unlock, same issue.
Also, that time when doing the hard reboot, screen didn't turn on at all. Did another one, and worked again.
He's now sent it in for repair, this definately sounds like ahrdware issue, even full reset through bootloader didn't help.
Click to expand...
Click to collapse
Yup, exactly the same problem I'm having, I sent it to HTC, they said they fixed it by replacing the motherboard, but now it is happening again, I will have to send to HTC again.
This just happened to my phone... Has anyone else solved it? Is reset and flashing RUU the solution?
mr.dj26 said:
hey guys
I had this problem a month ago, i know its frustrating.
anyway the only solution is factory rest from boot loader and flash RUU (worked for me)
the first time i had it, i did a factory reset, all my pics music were gone, phone went back to normal( stock, locked)
after a day the problem appeared again, second rest.
flashed RUU and the problem is gone. thanks god i have been using my HOX about a month science that problem and every thing is working great.
im sure its a software issue and I recommend every one to back up their files(pics,music)
just flash RUU and good luck
Click to expand...
Click to collapse
I have the same problem right now.
It started last week when I was using Flipboard and suddenly everything started zooming in and stuff (same as mhulsegge above). It was resolved by locking my screen and unlocking it.
Last night, i've been getting the black screen when I try to unlock my phone. The touchscreen still works but the screen is just blank. It turns on if I keep locking and unlocking, but it's getting annoying.
My phone is an international One X (duh) bought in Hong Kong and I'm currently living in Canada so it would not be possible to send it back for repairs. Plus my phone is rooted and I am currently using the latest MIUI ROM (2.9.21). I have been using an app called "Sleep" which tracks your sleeping patterns. It requires you to place your screen face down on your bed when you sleep and the accelerometer will track your sleeping patterns and wake you up at the most optimal time. I assume that for the accelerometer to work the screen has to be on, so I am wondering if this can be a screen malfunction (overheat or overuse) problem since the screen has been on for so long (every night when i sleep for around a month).
Since sending it back is out of the question for me because of where I am living right now and I have voided my warranty, I am downloading other ROMs as we speak and seeing if it is a problem with my ROM. I will keep you guys posted.
-edit- I have tried factory reset and reinstalling my ROM (with a full wipe). Still doesn't work.
It´s probably not your rom since I use CM10 hand have the same problem and others have even been running stock and had this problem. The only one who seems to have solved this (at least in this thread) flashed RUU, so guess I´ll go try that now...
Would be great to hear if anyone else has solved it, and how!
edit: This has to be a hardware problem, if I push on the screen it starts working! Its like something is loose, and when i press on the screen it gets connected again.
nicke666 said:
It´s probably not your rom since I use CM10 hand have the same problem and others have even been running stock and had this problem. The only one who seems to have solved this (at least in this thread) flashed RUU, so guess I´ll go try that now...
Would be great to hear if anyone else has solved it, and how!
edit: This has to be a hardware problem, if I push on the screen it starts working! Its like something is loose, and when i press on the screen it gets connected again.
Click to expand...
Click to collapse
Good tip, but I tried a gentle two-fingered push (zoom pinch) and the backlight turned itself on with very little pressure, certainly not enough to flex the screen. I believe that it is a state issue related to zoom, but will try again and report if the issue returns.
Screen black after replacement lcd display unit
Hi,
My HOX touchscreen was broken, the touch and everything was still working. I ordered a replacement lcd display Unit and replaced the complete display and touch. After replacement the screen is completely black but the phone still works. The touch buttons on the bottom still work and i can use the volume buttons. I replaced the lcd display unit very carefully and i am sure nothing is broken etc. So the touch is working but the screen is black. I tried 2 display units and both show me a black screen.
Does anyone know how to solve this problem? Did i forget to do something during the replacement?
Please, i need some help with this issue.
OneX has too much issue with Screen . WTF with HTC?

GSM Galaxy Nexus stuck rebooting

Hello everyone! I own a Galaxy Nexus that's running one of the Cyanogenmod 4.4 snapshots. While watching a youtube video my phone froze up and shut itself off. I rebooted and after a few moments the same thing happened. When I power up my phone one of two things happen. It either reboots while booting and automatically attempts to boot again or it manages to turn on for a short while and then turns itself off.
I believed the issue was a battery or hardware one at first but after leaving my phone booted in recovery for half an hour with no ill effects I think something else might be up. What do you guys think is the best course of action? The only thing I've done is a factory reset that has done nothing.
Anyone?
Stryking said:
Anyone?
Click to expand...
Click to collapse
Factory Reset and reflash the rom. If that doesn't work try flashing another rom like Vanir. If your phone still shuts off...well unfortunately this may be a hardware related issue, nothing you can do if that's the case. Unless it's your battery which I highly doubt.
I think it's the same thing that happened to me a year ago, check this out:
http://forum.xda-developers.com/galaxy-nexus/help/bricked-phone-t2306672
for me it was a hw related problem, i had to send the phone back to assistance and have it repaired (it was still under warranty).
Good luck :good:
Thank you all for your ideas. I'll report back my findings later today.
Same problem over here. Tried a lot of roms (custom and stock from Google page), took it to assistance (no warranty though) was told is a hardware issue. Since replacing the mainboard its the same price as a new phone... well you know.
But a curios thing happened: tried to flash the Ubuntu Touch rom, same problem (reboots at Ubuntu start screen) and the Firefox-OS, that one worked (considering it's limitations obviously)!

Touchscreen not working after locking the phone

Hey Guys!
I have a big problem!
2 Weeks ago, the display of my G3 (not rooted, original LG Android) broke and i sent it to repairmyphone.de (I'm from Germany) for repair. Today my G3 came back and the display was fine. So i think they changed the display and repaired my phone.
Sounds good right? Well not exactly, because now there is a problem:
The touchscreen is working fine, but when i lock my phone (With the DoubleKnock or the Button) and turn the display on again, the touchscreen isn't working and i can't unlock the phone.
Only after i pull the battery out and start the phone again, the touchscreen is working fine. But when i lock the phone the same thing happens again. Even when i turn off the lockscreen and turn the display, the touchscreen is not working.
The strange thing is, the KnockOn is recognized so it turns the display on when i double tap it, but nothing is recognized after that.
I did a factory reset but the same problem happens again.
So i don't really know if it's a hardware or software problem is and if any one of you can help me with my problem.
I wrote the repairservice an e-mail but i think it will be read on monday.
So if nothing works i have to send it back again, but maybe you guys have a solution for me.
Thanks in advance!

SM-N7505 Wi-Fi not turning on

Hi everyone,
I'm having serious problems with my Wi-Fi on my Samsung Galaxy Note 3 Neo (SM-N7505). Whenever I click the button to activate the Wi-Fi, the icon goes from grey to a dull green (darker than the bright green which signals that a function is turned on), as it does when it's trying to turn itself on. Problem is, instead of turning on, it just stays in that state for a few minutes before reverting to grey. This has gone on for a while, and I've already tried several possible solutions which I found after online searches. I don't think it's a hardware issue (see point 1 for the reason), and I really hope it isn't, because my warranty has been voided due to rooting, so I can't have my phone replaced or repaired unless I pay for it (which I can't at the moment). So, I'm basically ignoring the possibility of hardware failure and trying every possible software solution, hoping one of them will work, otherwise I'm just stuck with no Wi-Fi. These are the fixes I've tried:
1) Take out the battery while the phone is on, wait a few seconds, then put it back in and boot the phone up. This used to work when the problem first presented itself a few months ago (which is why I don't think it's a hardware issue), and I've been since using this method to fix it whenever it happened again. But a few days ago, this method stopped working for whatever reason, so I was back to square one.
2) I tried renaming the data/misc/wifi/wpa_supplicant.conf file, which seems to have worked for some people, but not for me.
3) I tried updating the version from Kitkat to the recent Lollipop, hoping that would fix it, but nope.
4) I tried deleting practically every single app one by one, hoping that one of them was interfering with the Wi-Fi somehow, but nope.
5) As a last resort, I tried a factory reset, but not even that worked.
This is basically the long and short of what I've tried to fix this... I might've skipped a few of the simpler fixes I tried (for example, I just remember I tried disabling "Smart Network Switch", which seemed to do it for some people), but the big stuff is all there.
I'd really like to get my Wi-Fi back, so if anyone could help me fix this thing I'd be really grateful!
Thanks in advance to anyone who will bother to reply.
same problem dude
Same problem...wifi and bluetooth not working...pls help us
Same Problem for me, Initally it works fine even after updating Official Lollipop update (OTA), but after few months now wifi & bluetooth are not working for me. And finally faced battery drain issue for past few days. Battery goes down upto 20% per hour even in idle condition. Then i rooted & installed Note Rom & even after i face the same problem. Is there any way to fix?

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