Black laptop computer screen discoloration

Hello! I'm here because I had a problem with my laptop recently. I have a HP Pavilion G6 (don't know what year but I bought it in 2012) and for about 2 weeks, my computer screen has just been randomly fades to black.

It is not closed, it stays on and I can still here sound, but the screen remains black. I tried to use an external monitor, but it did the same thing. Also, I get no error message like this happens.

I ran malwarebytes and AVG, removing all he detected, but the same thing is happening. I don't know what is happening.

I did not open my computer or anything like that. Just in case, he began to arrive.

I hope that someone can provide an answer, it would be greatly appreciated.

I suggest you try to do the following:

Press Windows key + R-> type regedit-> press ENTER. Click Yes, if UAC prompts.

See the link to back up the registry first, before continuing:

http://support.Microsoft.com/kb/322756

Now, in the left pane, navigate to the following folder:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control

Once you select the control, you will find a set of entries in the right pane.

Double-click "WaitToKillServiceTimeOut" to change the value. Change it in 2000.

Click Ok, close the registry editor and restart the PC to check.

If the problem persists, try this:

Click Start-> type cmd-> press Ctrl + Shift + Enter (to start cmd in administrative mode). Type the following command and press enter (make sure all your files are saved and all applications are closed):

shutdown-s-t 00-f

This stops the PC. Check the time it takes to turn it off. If the problem does not occur, change the value in the previous method in 1000 and check. If the problem persists, change 500 then check.

If the problem occurs, it may be due to drivers. Try to update the drivers, specific display drivers. If no update is available, try to reinstall the drivers: uninstall the drivers, reboot the PC, install the drivers, reboot the PC and then check.

Tags: Windows

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