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Tips to extend battery life for laptops and notebooks

I am new to Ubuntu. I use Samsung laptop. The battery dies quickly while I am using Ubuntu 12.04. The charge holds good for hardly 1hr 45mins. On the contrary, I get 3hr 30min while using Windows OS.

I have tried reducing the brightness but it didn't effect much. Any ideas?

  • I also experience the same thing and from what I read, it's not a problem with Ubuntu per se but an issue which has apparently been resolved in the Linux Kernel 3.3 upwards.
    – Mysterio
    Aug 19, 2012 at 9:19


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