G4 Black screen - G4 Q&A, Help & Troubleshooting

hey guys just wondering if you guys could help. I think its a hardware issue as my phone does get alerts, calls and such even though the screen is black. I was able to factory reset it using Device manager, and it seems that it did work. What would be the issue and what would i need to replace to get my screen working

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Screen turns on/off randomly

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?

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?

(HELP )After blockade of screen goes black

Friends, I have a serious problem with my OG, until yesterday everything right, everything was to me the battery died, so I let her sleep a few hours, when I get up I put it to charge, turn everything right, the problem is that when the screen is locked, wanting back is black, but because the lock is activa.he no effect but still the same, I reinstalled the rom for igual.creen DIAG but if I do I work for emergency mode? for no issue of launchers, I have others but still the same.
I would really love to help you but I just cant understand what you are trying to say. sorry
Screen goes black after you lock it? Thats how it should work

LCD wont work still after replacement

Hello everyone, About 6 months ago I cracked my screen on my phone. I used it for about 3 months after that until the LCD went black. The phone still booted and I can hear notifications coming through, so I figured it was a hardware problem with the LCD. Today I replaced the LCD and it is still just a black screen, and I can hear it booting just fine. I would like to try to restore my phone to factory setting to see if that will help. How can I do so without using the LCD? Does anyone know what other problems this could be? I appreciate the help
It has a custom rom install, I am trying to remember what it is so I can post it on here. I think because its custom I will not be able to use KIES
Gandaho said:
Hello everyone, About 6 months ago I cracked my screen on my phone. I used it for about 3 months after that until the LCD went black. The phone still booted and I can hear notifications coming through, so I figured it was a hardware problem with the LCD. Today I replaced the LCD and it is still just a black screen, and I can hear it booting just fine. I would like to try to restore my phone to factory setting to see if that will help. How can I do so without using the LCD? Does anyone know what other problems this could be? I appreciate the help
It has a custom rom install, I am trying to remember what it is so I can post it on here. I think because its custom I will not be able to use KIES
Click to expand...
Click to collapse
If you can't even see a boot logo when you first turn it on, restoring factory rom won't help sadly. You have deeper hardware issues then you initially thought ( mainboard possibly or a bad new lcd ).
Sent from my SGH-T889 using xda app-developers app
U can try putting the phone into dl mode by turning it off and holding vol+vol- while plugging it into PC, give it a second and press vol+ then open odin amd see if it connected, if it did flash stock rom with Odin, now just so u know this is a long shot as I doubt it'll help but worth a shot always
Sent from my SAMSUNG-SGH-T989 using XDA Premium 4 mobile app

Display Problem !!!!!

I'm having a somewhat weird issue with my ACE 2's display. When I turn it on, the screen went blank (not black) but blank, everything still runs but the display isn't showing anything. And by blank I mean the background is kinda like the one in CWM recovery but without the logo. Right now, all i can do to solve this is by removing the battery and turn the phone back on.
I'm hoping someone is also having this problem and have a better solution to it.
PS : My friends say that it's a hardware problem but I don't think so.
Lee Socret said:
I'm having a somewhat weird issue with my ACE 2's display. When I turn it on, the screen went blank (not black) but blank, everything still runs but the display isn't showing anything. And by blank I mean the background is kinda like the one in CWM recovery but without the logo. Right now, all i can do to solve this is by removing the battery and turn the phone back on.
I'm hoping someone is also having this problem and have a better solution to it.
PS : My friends say that it's a hardware problem but I don't think so.
Click to expand...
Click to collapse
What rom are u using ?

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