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Troubleshooting black screen issues on HP Notebooks: Click here to view the instructions!

‎08-22-2018 11:17 AM

HP Recommended
Product: Elitebook 840 G5
Operating System: Microsoft Windows 10 (64-bit)

Greetings! The hotkeys designated for screen brightness adjusment  (f3 and f4) do nothing.(Elitebook 840 G5 w 64 bit Windows 10).

 

I've seen similar problems posted for various other models, which the advice was to update the bios driver and hotkey support, but don't know whether that's appropriate for this model.  By the way, I have never seen that particular maneuver be reported to work.

 

This was not a case that it once worked and stopped.  It did not work from day 1. It puzzles me that HP would ship a new laptop in this state.

 

Any suggestions appreciated!

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