Black screen and not working touch - Honor 7 Q&A, Help & Troubleshooting

Hello guys, some days ago, my Honor 7 dropped from like 30 cm, and touch screen stopped working, also screen BUT the phone is taking light from some where, I mean, screen light's up, but can't see antyhing. I don't think, its the screen problem cuz it doesn't even shatter, phone was in case.

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[Q] Blank screen after replacement?

Hi,
I got a HTC Legend with a broken screen and digitizer.
I replaced the screen and digitizer without any problems.
I turned on the phone, and the screen went on and showed the android boot screen.
30 seconds later the screen went blank, and now it doesn't work.
It's like the screen displays white/black pixels every second ribbon
The phone still turns on and plays the "startup sound".
I have cheched the ribbon cables, but they all seem fine.
Is the screen broken or is it something else?
Any suggestions to what the problem is?
Thank you for your time
My Legend screen was cracked a few days ago after the phone fell, I was looking to get a new screen as well. Where did you get your replacement screen from? It looks like you got a faulty screen based on what you've said.

[Q] Xperia mini pro screen remains black

Hellow everybody! 4 days ago I got the screen I ordered from ebay and I have a big problem! I installed the screen on the phone, and the phone was booting up, the touch screen worked I could sense the lock screen when I touched it but nothing! Also the phone was burning! after noumerous tries , the screen finally worked the next day! But one day after , it had the same problem!Now the screen is black since two days ago! Any help! I tried repairing with pc companion, but the screen still remains black!!
Since you installed it yourself, you maybe made a mistake during install, something wrong got connected or something.
You said, that phone heated up. Some connections could have melted or even some chips.
xperia mini pro
The phone worked for a day before repairing. And it didnt worked for two days berfore repair, after it had worked!!
Does it work now or not?
Yes it works , the touch screen works i can feel it by sliding the lock button.
But it remains black, i heard sound about the battery. so the phone works but the screen remains black.
Seems like connection issue between mainboard and the screen. You mentioned getting warm - could have been too hot for the connections.
Sent from my WT19i using xda premium
No I've trying installing the screen many times , but the heat was coming from a single part of the motherboard , i opened the phoned and touched it! It was burnig hot! Now there is no heat , the phone boots up, i can sense the lock sliding when I move it (vibration) but i cant see anything!!! It worked for day perfect! The first morning , heated for some time , but it work after ten minutes for a whole day with no problem! the next day i went to the cafe of the village and connected to the internet by wi-fi connection, when I left, the problem started again ! And the phone is working , as I mentioned before, but the screen isn't viewing anything!

[Q] HD2 no backlight but touch screen works.

Hi I recently dropped my T-Mobile HD2 in a puddle of water very briefly i took the cover off and battery right after it happened and wiped everything down. The phone worked flawlessly for about 6 hours then I finally got a black screen. The phone will turn on boot into android(2.3 NAND) and the touch screen works plus im able to recieve calls and messages BUT the only way to tell is to use a bright flashlight to see the screen as I have NO BACKLIGHT. Help me please?
You have probably dead light emission layer. By all means, LCD is to be replaced.
You shouldn't turn phone on immediately after accident. Removing battery immediately, complete disassemble of every possible piece and letting it rest for 2-3 days in warm dry place is a proper way to do this. Next time of course.
So just replace the LCD? Should I order a digitizer with it? Thanks in advance.

GSM - display not working/black

Hello All,
I have a serious problem: Today I cleaned my htc evo 3d's display with glass cleaner,
but I took too many drops and swiped with a cloth arround the display. So after a minute, the display began to flicker and then it went black.
Not the colour black, I mean that the light got entirely disabled. But I noticed, that the touchscreen and everything else is still working fine (I got vibrations: for example unlocking the lockscreen) .
So what are my options?
I still have warranty left but the device is unlocked and I see no way to relock it while the display is off.
I'd appreciate your help!

Screen problems

Hello,
Maybe someone got same problem with screen (duplicates to top screen side)?
I am wondering if t's screen problem or GPU, because it starts only when phone heats up, when you use it for about 30 minutes.
https://www.youtube.com/watch?v=gZI-EqZhVX8

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