Black screen but ambient display screen and phone working - OnePlus Nord N10 5G Questions & Answers

It's the third time that my Nord go to black screen and I can't turn off the phone.
The device it's working, music playing and ambient display turn on the screen but when I unlock (auto with face id and finger print) its turn off but have the backlight on.
I can't turn it off to restart, recovery or fastboot.
I tried all commons things: hold power, hold power+volume, unlock and hold power, all during charge,... all the combinations and nothing happens.
The other times is going on by imself, any solutions? If its turn on im going to change the OS automatically

If there is a toolkit to help to restart the phone or something with adb I appreciate the information, I don't have fastboot enabled and I think the bootloader is lock

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K3 note screen replacement issues

Hello everyone
I replaced my lcd and digitizer because the touch did not working on the original screen of K3 note
I have the following problems
The screen works and touch also when i power up the device but when i lock the screen from power button the screen 8/10 times never turn on and i can see only the backlight, if i press multiple times the power button it will turn on finally but i never know when it will. If i remove the battery and turn it on again , everything works fine until i lock the phone. The phone works when it is locked by the way. Also if i press the power button to unlock the touch works but i can see only the back light no image.
I tried to lock and unlock the screen with gestures , same problem.
The weird think is that sometimes it turns on.
One think i forgot to mention is that sometimes when the screen turn on after pressing the power button i see black horizontal lines for some seconts(flickering) and then they dissapear
I tried a lot of different roms, i disconnected and connected again, never sleep mode with safe locker , i disabled the proximity sensor with x posed , i removed the sd card, nothing helped.
Can anyone suggest me something else to do?
Changing screen settings maybe? and how
Thanks a lot and sorry for my engish it is not my native language.

Phone won't boot up, screen stays black only vibrate

Hello all,
When i try to boot my phone, there is only a vibrate but the screens stays off (not black, there is no backlight, the screen doesn't turn on).
Except when i press power + volume up, then i get the screen to go to recovery, fastboot, or boot normal but it doesn't matter which i choose, after that the screen goes off again.
Does anyone have any suggestions? Luckily i swapped phones a day before it broke so i wouldn't lose important files but it would be nice to be able to recover them.
Thanks in advance!

Redmi note 4, 64gb rom

Hi Team,
I have the mentioned device with me and it had a problem of not turning ON the screen once turned off..
The exact problem is.
The set normally turns on and able to use by keeping the screen always ON. by selecting
Settings---->Lock Screen---> timer has been set to NEVER.
If once we turns of the screen by pressing the power button to turn off the screen,it turns off normally and if we press the power button again to turn on, it does not turn on .
In this case, we need to start the handset as if we start a new set. I am unable to find the problem.
Mi unlock done, new version flashed successfully using the fastboot rom miui9.0.5.0 and everything went on well. But the said problem still persists.
Request the team to help in this regard.

[HELP] Phone recognises touches but unresponsive (Works in safe mode)

Moto X Style not rooted
I have show touches on so I can see that the screen recognises the input but the phone won't correspond with what I'm telling it to do. Even when using a mouse via USB debugging.
Every time upon restart, it works properly for a minute or so, then the navbar & statusbar dissapear, screen fades to black and locks. When I press the power button, it shows the lock screen but won't let me press anything. Apart from the Power Off pop up when it appears. I also can still interact with the always on display.
If I boot it in safe mode, the issue doesn't occur and I can interact the screen indefinitely.
I've not installed any new apps recently but this just started happening about a day ago.
Any ideas of what's wrong/how to fix it?

After splash screen, screen blank but phone sinks with BT & capacitive lights active

After splash screen, screen blank but phone sinks with BT & capacitive lights active
Today I tried to update my phone to the newest firmware (I think it was .210, but I know it was from August 5th on firmware finder...I know its a long time to wait to update, but I started a new job, moved to a new city, etc. so things have been super crazy). Unfortunately, after flashing with EMUI Flasher, the phone rebooted and then got an update failure. I restarted the phone and waited but the screen was black. However, my smart band paired and if I press the power button, the capacitive button lights turn on, but the screen is blank/black. I have tried rebooting, both regularly holding power for 20 seconds as well as holding the power key with volume up and then volume down. I can reboot into a recovery of sorts and tried to wipe cache and restart, as well as boot into safe mode, but both result in the black screen from before. I can also boot into fastboot, but don't know what I could do to fix this.
Any advice as to how I can save my phone would be really appreciated. I'm really hoping I don't have to wipe the phone.
Please help me!

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