• ×
    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

Featured blog article:

Locked

‎04-14-2026 07:02 AM

HP Recommended

A blinking Caps Lock on my HP ProBook 4540s possible  RAM failure or a corrupted BIOS. the issue is after a long while without it being on power it gets on just fine but after shutting it down, turning it on without power reset it will not come on. ple

ase help?

1 REPLY 1

‎04-14-2026 07:19 AM

HP Recommended

Here is the link to the last BIOS update HP released for your notebook (F.68):

 

HP ProBook 4540s Notebook PC Software and Driver Details

Was this reply helpful? Yes No
Warning
Be alert for scammers posting fake support phone numbers and/or email addresses on the community.
If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation.
Didn't find what you were looking for? Ask the community
† 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>.
-->