• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
Are you having HotKey issues? Click here for tips and tricks.
HP Recommended
HP ProBook 4540s Base Model Notebook PC
Ubuntu LTS

Hi I have a ProBook 4540s with core i3 3110m. It has a problem with a the display that when I turn on the laptop it flicks too much and purple green line appear on hole screen.But as soon as I flick the flap up and down a little it becomes normal The GPU is ok as I have tested it and benchmark it I also tested with hdmi and vga works good. The display is also good as when it becomes stable it works very good . Not even a single bad line I can see.Can you please tell me what I shall do and what is the problem. 

 

Thank you in advance

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.