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I use an inspiron 7520; i7 3rd generation, AMD Radeon HD 7730m w/ intel 4000hd

I have noticed that my batttery life radically change when I awake my computer from sleep. When I just boot yp my computer, I have close 4 hours battery life, then if i awake the computer I have 2 hours. Weird eh?

oh by the way! I am using Jupiter to help.

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There are two types of "sleep", one where it retains memory and trickles power and the other thats saves the memory to hard disk and totally shuts down.

http://manpages.ubuntu.com/manpages/hardy/man8/pm-action.8.html

Might be the reason? Using wrong "sleep"?

  • At the moment, I am using the suspend "sleep", so I should go hybrid? But how can I change it? – Jeff Labonte Mar 13 '13 at 18:09
  • Try the commands one t a time and see the effect. But Id try the pm-hybernate one first to see if your battery doesnt loose so much charge – Meer Borg Mar 13 '13 at 18:15
  • I tried, it is the hybrid hibernate that works best – Jeff Labonte Mar 13 '13 at 18:16
  • Good, a solution, now to test it long term – Meer Borg Mar 13 '13 at 18:19
  • I did. how can I switch the pm setting? – Jeff Labonte Mar 13 '13 at 18:24

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