Cannot change the brightness and contrast on my 4540 s of HP ProBook with the software Intel(r) HD Graphics

This was never resolved?  I'm having the same problem on the same computer that I can't manually adjust the brightness of the screen with the help of the function or function + F2, F3 keys screen brightness.

Hi Tonmoytonu4540s,

To get your question more exposure I suggest you post in the trade forums since it is a commercial product. You can do it at Business Forum.

Thank you.

Tags: Notebooks

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