Guidelines
Are you having HotKey issues? Click here for tips and tricks.
Check out our WINDOWS 11 Support Center info about: OPTIMIZATION, KNOWN ISSUES, FAQs, VIDEOS AND MORE.
HP Recommended

The sound on my ProBook 4540s doesn't work. The device is saying there are no audio output devices installed. I've already updated my audio drives. How do I fix this issue?

† 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>.