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brightness problem Compaq Presario CQ57

I have problem with brightness on Compaq Presario CQ57 Ubuntu 13.04. The brightness keys on keyboard are work. But on every reboot brightness decrease to minimum, and I must increase it manually. How ...
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Not able to change brightness on a Compaq Presario CQ61

Here is my result of lsmod Module Size Used by joydev 17393 0 vesafb 13516 1 snd_hda_codec_hdmi 31775 1 snd_hda_codec_idt 60251 1 ...