Questions related to power management, particularly power saving measures.

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18
votes
4answers
6k views

How to turn off the display via the command line?

Is there a way to turn off the display (enter power saving mode) using a command? For example, when the computer is inactive for a specific interval, the screen turns off to conserve energy. Is there ...
1
vote
1answer
509 views

I have a HP Probook 4510s and everytime I plug it in, the monitor dims

anyone else notice this on their laptops, or is it just mine? Ubuntu 10.10 by the way...
6
votes
0answers
1k views

Can not estimate remaining battery time? [duplicate]

Possible Duplicate: Laptop's battery is stuck on “estimating”? After updating to Ubuntu 10.10 from 10.04 Ubuntu can not estimate both the battery time and the percentage ...
5
votes
2answers
3k views

Laptop shuts down on lid close

When I close the lid of my Asus X77JQ, lucid shuts it down automatically after five minutes. I want to be able to sleep in the same room as my laptop, so I would like to be able to close the lid ...
-1
votes
3answers
337 views

Login fail with low graphics then crash? [closed]

I was using Transmission to download some stuff, when I got a notification that there was only 800 MB of free space left. I soon rebooted, only to find out, that i could not login again. I would get ...
142
votes
22answers
144k views

Tips to extend battery life for laptops and notebooks

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask ...
46
votes
3answers
2k views

How to get the “Your battery is broken” message to go away?

Every time I turn on my computer, I see a message saying something like: Your battery may be old or broken. I am already aware that my battery is bad. How do I suppress this message?