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Brightness not available Windows 8.1


I have installed a Windows 8.1 on my Toshiba Satellite A215-S4717. So far it is running OK. There is one problem though, I am unable to adjust the brightness of the screen in any fashion. When I go into the Windows Settings, for adjusting brightness, it says "Unavailable". In my previous versions of Windows & Ubuntu I have previously installed on this laptop, I was able to adjust brightness. I am checking to see if you can provide me with a driver download that would allow me to adjust the brightness. It does not look like any of the available drivers on the Toshiba website allow me to adjust screen brightness. Also I have tried googling how to fix this but none of the options work though. Any help would be appreciated.


My Computer

System One

  • OS
    Windows 8.1

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