2
votes
3answers
3k views

Avoid display blanking under X

I have an Ubuntu Linux box (12.04). I can't prevent the screen blanking under X. I have tried the command xset s off, inserted the command line kernel parameter acpi=off in grub at kernel boot. ...
2
votes
1answer
492 views

How to make the display go to sleep when screen is locked?

I’m using a Debian amd64 install with the default GNOME desktop. I’m aware that you can go into System | Preferences | Power Management, and choose to make the display go to sleep after a certain ...
10
votes
4answers
5k views

Screen turns on automatically (xset dpms force off)

I am using xset dpms force off to manually turn my screen off to save power. However, it turns back on after some time (20 - 40 seconds). Distro: Ubuntu-Lucid Graphics: Intel 4500 MHD ...
9
votes
2answers
391 views

Screen doesn't always shut off on its own

It seems like when I have certain web pages focused, my screensaver will kick in, but the screen won't turn itself off. Does anyone have any ideas why this might be? Is there a way to disable whatever ...