Brightness controls not adjusting the brightness in ubuntu 10.10 64 bit on hp dm3t notebook

Posted by user26768 on Super User See other posts from Super User or by user26768
Published on 2010-12-30T00:25:34Z Indexed on 2010/12/30 0:56 UTC
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I picked up an hp dm3t laptop with intel HD graphics and installed ubuntu 10.10 64 bit on it. It works great -- the only problem is that the brightness controls don't work. The brightness is always at full. When I try to adjust it down, the indicator graphic indicates that it's going down but the actual brightness doesn't change. Is there anything that I can try to make this work? I'd really appreciate any help.

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