Screen brightness not working windows 8

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Windows Update: Frequently Asked Questions:

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Check for optional updates also as they might have hardware device Windows notifies you if it detects a suspicious or unsafe driver you shouldn't install. It's important for you to have confidence in the updated drivers you install. Windows can update them automatically, or you can install the Run the troubleshooter and check if that helps.Ī) Press the ‘ Windows + W’ key on the keyboard.ī) Type troubleshooter in the search box and then press enter.Ĭ) Click hardware and sound and run the Hardware and Devices Troubleshooter.ĭrivers are updated occasionally. After upgrading to Windows 8.1, did you install all pending Windows updates and update all device drivers?