• ×
    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.
Locked

‎10-27-2022 01:21 PM - last edited on ‎10-27-2022 04:00 PM by Retired

HP Recommended
Product: [Personal Information Removed]

How to fix black screen, blinking caps lock, num lock and repeatedly restarting error hp elite book 840 g3 notebook laptop? 

1 REPLY 1

‎10-27-2022 02:32 PM

HP Recommended

Hello @Abdium 

Sorry to hear that you are having problems ... I would like to help you.

 

(1) Power off notebook

(2) Disconnect charger

(3) Press and hold <power> button for 30 seconds

(4) Connect charger

 

(5) Follow --->>> BIOS Recovery Reinstall with USB

 

Use another Windows 10/11 computer to create <USB flash drive>

HP Notebook System BIOS Update (N75)

01.57 Rev.A11.7 MBAug 15, 2022Download

Use a FAT32-formatted small <USB flash drive> (Type USB 2.0)

  

(6) Repeat reflash procedures:

  • windows + b <USB flash drive> not connected
  • windows + v <USB flash drive> not connected
  • windows + b <USB flash drive> connected
  • windows + v <USB flash drive> connected 

 

Keep me updated

Kind regards

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>.