screen flashes red green blue white on startup

[jwalter]

on startup the screen flashes red green blue white, the hard drive is flashing, i heard the windows chime up still no display

[A4Apollo]

Hey there! @jwalter, Thanks for stopping by the HP Support Forums!

I understand you have display issues with your PC.

Don't worry I'll try to help you out.

Did you make any software or hardware changes on your PC?

Does the issue persist in BIOS?

Please provide the product number of your PC to assist you better.

As you mentioned the screen flashes red, green and blue and there is no display on your PC.

Try connecting an external monitor your PC and check if the issue persists.

If the issue does not persist in BIOS try updating the graphics driver and BIOS on your PC.

Try performing a BIOS default on your PC and check if it helps.

1. Turn off the computer and wait five seconds.
2. Press the Power button to start the computer and repeatedly press the F10 key to enter the BIOS setup menu.
3. On the BIOS Setup screen, press F9 to select and load the BIOS Setup Default settings.
4. Press F10 to Save and Exit.
5. Use the arrow keys to select Yes, then press Enter when asked Exit Saving Changes?
6. Follow the prompts to restart your computer.

Also, Uninstall the graphics driver from device manager and install the latest drivers and BIOS using HP support assistant.

Refer this article to know more information about using HP support assistant.

Try running a system diagnostics test on your PC and check if the hardware components on your PC are functioning correctly.

Refer this article to know more information about running system diagnostics on your PC.

Refer this article to further troubleshoot display issues with your PC.

If you have display issues in BIOS, it is certainly a hardware issue with your PC.

If there are no physical damages occurred to your PC. The laptop would be serviced under warranty.

Please contact HP support for service options.

Link to contact HP.

If the solution provided worked for you, please mark accepted solution for this post.

Hope this answers your query!

I hope you have a great day! 🙂

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

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