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‎05-05-2024 03:21 AM - edited ‎05-05-2024 03:25 AM

HP Recommended
Product: HP ProBook 440 G5 Base Model Notebook PC

I an using an HP ProBook 440 G5. I recently updated my Windows 10 (64-Bit) 22H2. The update also updated my BIOS.

 

Ever since this update, Fn+F3 and Fn+F4 have stopped functioning as my brightness action key shortcuts (that reduce/increase my screen brightness).

 

I have tried the following to no avail:

  1. Updated all my device drivers (even the HP Hotkey Support - UWP)

  2. Upgraded from Windows 10 to Windows 11.

However, the problem remains unresolved.

 

When I was on Windows 10, every time I pressed Fn+F3 or Fn+F4, it would show me an empty popup titled "HP Hotkey Support" with an OK button. On Windows 11, it doesn't show that popup either.

 

Any ideas how I can get my brightness action keys working again?

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