screen flickers every time i boot up

[giacomo9876]

since the end of december 2022 very time I boot up my notebook, the screen starts flickering as soon as I unlock the pc with the pin (I don't remember if this problem appeared once I've installed a new windows update). the flickering continue for few seconds until the screen become totally black and when i start moving the mouse cursor around the desktop, the flicker alternate with screen blackening. if I restart the notebook from the windows menu, after the reboot, the pc starts working normally with no problems. 

i've already installed every windows update, graphic driver update and started the hp pc hardware diagnostics: no one of theese thing solved the problem.

[Rainbow23]

Hi @giacomo9876,

Welcome to HP Support Community. 

Thank you for posting your query, I will be glad to help you.

I see that you are facing display issues with your HP Pavilion - 15-Cs3028nl.

Please follow the steps listed below for BIOS recovery:

1. Turn off the computer and keep the power adapter plugged in.

2. Press and hold the Windows key and the B key at the same time, and then press and hold the power button for 2 to 3 seconds.

3. Release the Power button but continue pressing the Windows and B keys. You might hear a series of beeps.

4. The HP BIOS Update screen displays, and the recovery begins automatically. Follow any on-screen prompts to continue the start up to complete the recovery.

You may also check the link: https://support.hp.com/us-en/document/c02693833

Let me know if this helps and have a nice day ahead.

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

[giacomo9876]

Hi, I've updated the bios following the instructions on the screen, then I've been showed the screen "choose an option: use a device - problem solving - turn off the pc", I've clicked on turn off and after the boot up it compared the screen attached in files. How do I have to continue? Thanks 

 

[Rainbow23]

Hi @giacomo9876,

Welcome to the HP Support Community. 

This issue might require one on one interaction to fix it.

I've sent you a private message with the steps to talk to HP Support. In order to access your private messages, click the private message icon on the upper right corner of your HP Support Community profile, next to your profile Name or simply click on this link

Take care and have a great day ahead! 

[giacomo9876]

I didn’t see any private message as you told