Public bug reported:
Dell latittude E6220, 4 GB RAM,Quad core.
Battery life windows 7: 7 hours 23 minutes
Battery life Ubuntu 11.10, unity 2D : 4 hours 25 minutes
Battery life Ubuntu 11.10, Unity : 3 hours 40 minutes
Battery life Lubuntu 11.10 : 4 hours and 27 minutes
All tests at empty desktop, firefox running one tab. no video, no sound.
THIS_IS_A_BUG
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/884094
Title:
Ubuntu 11.10 uses too much power Dell Latitude E6220
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