I am currently running 64-bit Windows 8.1 in desktop mode on my Optiplex 755. I can't control the desktop brightness like I could in Windows 7 and XP. What do I do?
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I am currently running 64-bit Windows 8.1 in desktop mode on my Optiplex 755. I can't control the desktop brightness like I could in Windows 7 and XP. What do I do?