Hey there!
Were there any physical damages to the PC?
Have you tried checking with an external monitor does the issue persist?
It certainly looks like physical damage to the screen.
Refer this article to know more information about display issues with the PC. Click Here
Since is a hardware issue with the PC. Please contact HP support for service options
Contact HP support using this link. Click Here
Let me know how it goes!
I hope you have a great day! 🙂
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