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‎09-14-2022 07:46 AM

HP Recommended
Product: HP Elitebook 840 G5
Operating System: Microsoft Windows 11

My HP EliteBook 840 G5 suddenly failed to start yesterday. The CAPS LOCK has a steady glow. Occasionally the CAPS LOCK shine goes off (typically after reseating the RAM) the fan starts och the LEDs go on but but the screen remains black for most of the time. However, on a few occasions the screen comes on and it boots alright. Only to go back to the no-start state when restarted/turned off. I have tried hard resets, external screen (HDMI), alternative cables, decoupled the battery and reseated the RAMs but to no avail.  I can’t find more ideas on the web. Any clues?

—ulf

Category:
1 person had the same question
1 REPLY 1

‎09-15-2022 09:56 PM

HP Recommended

Hello @Ulfni 

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

 

(1) Power off computer

(2) Disconnect charger

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

(4) Connect charger

(5) Follow the HP standard procedure

 https://www.youtube.com/watch?v=qpiGUojtr3E

(6) Please report your results

https://www.youtube.com/watch?v=qpiGUojtr3E
youtube.com/watch?v=qpiGUojtr3E
In this video, you will see how to restore the BIOS on your HP computer. Many HP computers allow you to recover the last known working version of the BIOS from the hard drive in case of an issue. Follow the simple steps in this video to restore your BIOS with ease. Chapters: 00:00 Introduction ...
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