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Why do I have only four levels of brightness on my Dell Inspiron laptop, selectable by Fn+ArrowDown/Up? In Linux Mint Mate, I have 7 or 8, and so I have under Windows, on the same machine? This is annoying...

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Please add some information about your graphic card and driver ;) –  John WH Smith Dec 30 '13 at 17:50
    
How do I find out what driver I am using? –  ubuplex Jan 20 at 22:46
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1 Answer 1

Different video drivers. Once you have determined what driver is used by Mint Mate, use that driver with Xubuntu.

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What's strange is that on the login screen of Xubuntu, I have my 8 levels of brightness, selectable via Fn+ArrowUp/Down! Only after the login, this is reduced to 4 levels. So the problem should not be the driver, but a configuration I cannot find. –  ubuplex Dec 31 '13 at 5:33
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