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https://wiki.ubuntu.com/ReducedPowerUsage
Edit: That wiki appears to contain old information, which may no longer apply.
Type: Posts; User: Paul Stone; Keyword(s):
Re: Lemur battery problem: only lasting ~2hrs
One more...
https://wiki.ubuntu.com/ReducedPowerUsage
Edit: That wiki appears to contain old information, which may no longer apply.
Re: Lemur battery problem: only lasting ~2hrs
These links may (or may not) be helpful.
http://www.phoronix.com/scan.php?page=article&item=ubuntu_battery_life&num=1
http://www.lesswatts.org/projects/powertop/
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