Black screen after windows update

[Lstcktn]

Hey my pc started doing a few windows update and after few restarts I noticed it was doing a bios update and now I only get a black screen and no signal message on monitor..I've no idea how to fix this or even if it can be fixed or has my motherboard been bricked 

[Elohi_NR]

Hi @Lstcktn,

Welcome to the HP Support Community. 

I understand that you are getting a black screen. I'd like to help!

Please try the following troubleshooting steps and let me know how it goes.

1) Power Drain.

* Shut down the Unit.
Unplug the AC power from the computer. Disconnect all the devices connected to the laptop. Remove the Battery if Battery is not Sealed.

* Press and hold the power button for 30 seconds.
And Install the Battery and Connect Ac Adapter.
Turn ON the Laptop.

If the issue still persists, try the external monitor and see if that works. If not, This might require one on one interaction to fix the issue.
 

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[Williamjoe]

Once you see the black screen on the computer, do not restart it; Please press the Windows key + Ctrl + Shift + B simultaneously; Once you do that, you will hear a short beep sound, and the screen will immediately start to dim down; You will be able to see the desktop again in no time.

Regards,

Will