• ×
    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
Seize the moment! nominate yourself or a tech enthusiast you admire & join the HP Community Experts!
HP Recommended
HP PRODESK 400 G7
Microsoft Windows 11

After shutdown the computer (HP PRODESK 400 G7), the LED at the on/off switch stays on........

And something inside the computer keeps humming.........

How can I solve this ??

 

1 REPLY 1
HP Recommended

Hello @deZwoeger 

 

- Disconnect AC power cable

- Remove CMOS bios battery (CR2032)

- Press and hold the power button for 30 seconds

- Wait 10 minutes

- Check CMOS battery, should have 3V otherwise replace

- Connect AC power cable

- Test again

 

best regards

---

Dear Community Member, please click the button [ YES ] on "Was this reply helpful?" to say Thanks and

make it easier for other people to find this type of solution by marking the reply ▶️ [ Accept as Solution ] ◀️

Do this on the post I wrote that helped solve it.

Thank you very much

             ⌨️

 

 

† 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>.