How To Adjust Screen Brightness Windows 7

Picture of How To Adjust Screen Brightness Windows 7

Hi. I had problems with the auto-brightness feature in Windows 8.1 not switching off, so I sent my tablet in to the Samsung repair shop. They had my tablet for 3 weeks, and re-imaged my harddrive (wiping off all my programs in the process). The brightness adjusted fine when I got it back, running on Windows 8. Then I updated my operating system to Windows 8.1 and installed all the windows updates, but after doing that I was not able to adjust my screen brightness anymore.

I have just disabled the power-saving feature on the Intel graphics driver and it seems as if that has stopped 'adaptive brightness', but I still cannot adjust the brightness manually. I am using the keyboard shortcut, and all of the suggested methods in Power Options.

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I have a HP Spectre x360 - 13-4009na  and have just upgraded to Windows 10. The problem is I cannot alter the screen brightness using any of the usual methods. - The fn buttons do not work - There is no brightness control displayed on the Control panel - Power Options - The Calibrate Display Colour method fails with an error while "... preparing to calibrate ..." - "Unspecified error". So my display is set to high brightness and I cannot change it. Please can someone help? Thanks, Paul.

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