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01-13-2024 06:03 AM
Product: HP ProBook 640 G4 Notebook PC
Operating System: Microsoft Windows 10 (64-bit)
Hi all,
I am using an HP ProBook 640 G4 Notebook PC Base Model, and I am running Windows 10 Home Edition.
Until recently, I was able to use "fn"+f3/f4 hotkey combination to adjust the screen brightness manually. I cannot do that anymore, possibly because of some software update. (I can still use hotkeys to change system volume though)
I tried updating the monitors and display adapters drivers from the device manager, as you can see below:
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