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

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

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