Mi A1 LCD issue or firmware? - Xiaomi Mi A1 Questions & Answers

I just replaced my Mi A1's LCD and it only seems to work on the Google logo at boot, and on Fastboot mode.
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When I boot it in Recovery Mode and System, it doesn't show any display but it's responsive to touch as I can fell the touchscreen motors vibrating. I've also attached a video I've taken of the motor functioning while there's no display.
Please give me your inputs on this. Thank you!

I noticed some screens aren't compatible with custom roms on this device. Try flashing full oreo stock rom.

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Help!! Advice/Solution needed :(

Hi guys,
I have a very special problem as shown in the screenshots. The phone has been sent for repairs (they said digitizer had issues - so they replaced the whole LCD Including the controller) however the problem persists.
Anyone here can give your thoughts on this?
This scrolling also occurs in Download and Fastboot Mode.
thank you
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Is there any way to disable portion of touchscreen?

My phone has a problem on its screen, wich makes ghost touches (randomly, and only sometimes. If I turn off the screen and on back again, the problem is fixed for some seconds/minutes).
I have confirmed that it IS NOT a software problem: it happens on stock ROM, LineageOS and ResurrectionRemix.
If it helps, I am willing to root.
-Device is Asus Zenfone 2 Laser (ZE500KL)
I have included a photo that shows where the glitches happen. (The phone chassis is just a demonstration).
NOTE: I am not going to install Xposed, since I don't want to leave Nougat.
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Help , Samsung A9 pro SM-A910F has black screen after boot logo.

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As in picture , I think screen is ok but after i restart it averting is ok but only dark screen after boot logo.
I can here sound volume up and down. I can here the voice of voice command.
I flash every version of version of firmware from sammobile website but it's can not fix it.
Anyone please help me to recommend source of this problem.

My E4 Plus is dead?

Hello to the xda community.
I was actually trying to root the phone and i manged to get twrp installed but whenever i flashing super su , it just didn't flash.
Then i just wiped out something i probably shouldn't have.
Now the phone is giving me no display and with sp flash tool , i've flashed the firmware looking through guides online , it flashes but the problem is that the device boots but there's no display and my torch in the back turns on.
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Any idea how to fix this or my device is dead?

Mi 9T screen replacement problem

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Hello guys,
I have a problem with my device which is Mi 9T. There was a green color line on the screen for some reason and later the screen was broken. I decided to replace it and when I put on the new screen it was like in the picture above.
Please help me what is the problem in my device is this related with flex or not
For laptops this kind of artefacts are often caused by damaged gpu.
In phones there is a video output chip, so my bet is motherboard fault, not lcd itself

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