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-   -   sleep mode and power management (

hoshmy 03-31-2010 05:38 PM

sleep mode and power management
I have to questions: I am new with Linux and using ubuntu on my laptop computer.
when i reopen my leptops cover after i closed it, meaning - putting computer to sleep, every thing is working, but the screen is black and nothing is seen. No matter what i tried to do, i cant make it to "wake up".

Using the computers battery, with no electric supply, the battery time is only half of what i get when using windows. i tried using less lumination but it didnt seem to help.

thank you very much, hoshmy.

rubentje1991 04-01-2010 11:47 AM

power management
do you use GNOME Power Manager (even different cpu-frequentions, and other things to manage)...
=> I think it has to have some effect on battery life

And for your laptop's sleep-issue, what version of ubuntu do you use?
It's really sleeping (not hibernating)?: for hibernate there are some scripts available

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