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My display hotkeys are not working; I can't adjust the brightness of my monitor, but the sound keys are working. However, I can't see the apps.

How can I adjust the brightness of my monitor without hotkeys?

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Have you installed all the latest drivers for this computer? – user3463 Aug 12 '12 at 5:34

If Windows 7 believes that it can control the brightness of the screen, you can find the control under Hardware & Sound > Power Options. At the very bottom of the window will be a brightness slider.

This is a screen capture of the control panel window in question.

You can also find your way there by going to Appearance & Personalization > Display and clicking the Adjust brightness link on the left.

These controls and links might not appear if Windows doesn't think it can control the brightness of the display.

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