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19
votes
5answers
34k views

How can I control HDD spin down time?

I have 2 HDDs in my PC. Ubuntu is turning off the secondary HDD very quickly after about 15 minutes, which is short for me. I need to control this time. How can I do it? I tried GNOME power ...
2
votes
2answers
3k views

reduce Screen brightness in battery mode automatically

KDE and XFCE4 has a program to adjust the screen brightness automatically in battery mode to a preset value. How can i set the same with Unity ( or Gnome3 )?
5
votes
2answers
1k views

How to stop turning off sequence when power manager says that battery is too low and want to power down?

According to this thread I can disable this thing altogether but this battery-critical-power-down not always happens. Is there a way or terminal command that can stop the power manager shutting down ...
0
votes
3answers
15k views

How to solve GNOME power manager installation problem?

I installed my updates today and now I can't login due to a fault. After booting, the login screen and the message about installation fault for GNOME power manager appears. After logging in, the ...
3
votes
6answers
4k views

Battery management doesn't recognize removal of power supply

I have a Lenovo Y460p running Ubuntu 12.04 (64-bit). The battery does charge normally, but unplugging the power supply only very briefly shows the correct battery indicator. After about 1 second, it ...
7
votes
1answer
8k views

How to stop gnome-power-manager from changing the global backlight setting?

After installing Ubuntu on my ThinkPad T510, the GDM screen and GNOME session would always start at 100% brightness. I quickly found out, that this can be controlled via gnome-power-preferences, but ...
7
votes
4answers
1k views

Suspend when critically low power 11.10

Is there a way to suspend when Ubuntu is at critically low power. The only option in Ubuntu 11.10 power setting is to shutdown or hibernate. I run my battery all the way down till it suspends then i ...
1
vote
0answers
156 views

Power management does not recognize removal of power supply! [duplicate]

Possible Duplicate: Battery management doesn't recognize removal of power supply I have a Lenovo Ideapad Z370 with Ubuntu 11.10 and the battery status indicator shows wrong information. ...
3
votes
0answers
1k views

How to control UPS via nut rather than gnome-power-manager?

I am trying to control my CyberPower 625VA UPS. From what I hear, this is best done via nut, rather than via the gnome-power-manager. See e.g. Monitoring a UPS with nut on Debian or Ubuntu Linux | ...