Black screen and turning on and off

[Bklynann1382]

Finished windows 10 install and now I have a black screen and it’s turning off and in at will. I was able to do a 5 hour diagnostic and it found nothing wrong 

[praveen196]

@Bklynann1382 Welcome to HP Community!

I understand that you are getting a black screen and turning on and off.

Please perform the below steps and check.

Hard Reset:

1) Shutdown the computer.  

2) Unplug all the Adapter and peripherals connected.  

3) Remove the Battery. ( not for Built-in Battery computer ) 

4) Press and hold down the power button for 15 to 20 seconds.  

5) Plug-in the Adapter and put the Battery back into the computer if it's a (removable battery)

6) Try to turn on the computer and check, If the issue persists continue next step

Set BIOS default and restart:

1. Restart your notebook.
2. During startup, press F10 repeatedly until the BIOS menu is displayed.
3. Once the BIOS menu is displayed, press F9 to restore factory defaults.
4. Select Yes to confirm.
5. Press F10 to save changes and exit.
6. Select Yes to confirm.
7. The computer restarts using the default settings.

Please perform the below steps on the computer to run a System Test

- Shut down/Turn off the computer

- Once the computer is completely Shut down/Turned off

- Now press the power button once to turn on the computer and immediately start pressing/tapping the F2 key on the keyboard

- This should open the UEFI Diagnostic screen on the computer

- Please select System Test and then select Extensive Test

Keep us posted,

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