Laptop screen stuck on very low brightness

Corey Richardson corey at
Thu Jun 7 21:45:07 UTC 2012

On Thu, 7 Jun 2012 19:20:21 +0200
Björn Persson <bjorn at> <bjorn at>

> After I upgraded to Fedora 17 my laptop screen is stuck on a very low 
> brightness setting, which makes it very hard to read. It's OK during
> POST, Grub and early Linux initialization, but goes dim before I'm
> prompted for the disk encryption passphrase. After that I can't turn
> the brightness back up.

How are you trying to modify the brightness? Does `xbacklight` work?

> Which package should I report this against? Linux? X? Plymouth? Or
> something else?

I believe that would be a kernel issue, depending on where the problem
actually lies.

> Björn Persson

Corey Richardson

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