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i can't change my brighness. On my Ubuntu is the original Driver from running. i used Ubuntu 12.4 with the lastest Updates.

Can everyone help me? Thanks Guys!

my xorg.conf:

Section "ServerLayout" Identifier "aticonfig Layout" Screen 0 "aticonfig-Screen[0]-0" 0 0 EndSection

Section "Module" Load "glx" EndSection

Section "Monitor" Identifier "aticonfig-Monitor[0]-0" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection

Section "Device" Identifier "aticonfig-Device[0]-0" Driver "fglrx" BusID "PCI:1:0:0" EndSection

Section "Screen" Identifier "Default Screen" DefaultDepth 24 EndSection

Section "Screen" Identifier "aticonfig-Screen[0]-0" Device "aticonfig-Device[0]-0" Monitor "aticonfig-Monitor[0]-0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection

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Check if this is happening to you: – Carlos Vieira Jul 4 '12 at 23:21

Its working for me :)

Follow the instructions in the link

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Links are great, but please edit your answer to include the relevant content from that page, since if that page is moved or deleted, this answer becomes useless. – Daniel Oct 2 '15 at 16:39

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