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I bought new Dell Inspiron 3521 with Linux installed. I've installed Windows 7. Everything would be alright but I can't brighten my screen. It looks like it is at the lowest brightness level. The Quickset driver is installed. There is no brightness level option in the Control Panel.
Maybe someone knows what's wrong?
http://www.jdhodges.com/blog/dell-brightness-control-fn-hotkeys-stuck/ - this works for me – Andrii Muzychuk – 2015-04-13T10:09:29.737
I added the Windows tag since it seems like your problem is in Windows. Have you installed the drivers for your system from the Dell website? – terdon – 2013-07-19T14:31:32.443
Yes, all drivers are installed. – Pauliuks – 2013-07-19T15:04:54.217