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display brightness disabled after Windows 10 reload

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Stream 11-ak0507na
Microsoft Windows 10 (64-bit)

I can not adjust the screen brightness. Neither the slider in the notifications panel or F2 F3 on keyboard work. This problem has occurred since I have reloaded Windows 10, using Update & Security, Recovery, Remove Everything. I wonder if the clean boot has cleared the HP display drivers?

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Yes, it sounds to me like the graphics driver is missing.


This would be the latest graphics driver from your notebook's support page.

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