Why does my display keep turning off every 10 minutes?

Posted by George Edison on Ask Ubuntu See other posts from Ask Ubuntu or by George Edison
Published on 2011-11-22T19:58:24Z Indexed on 2011/11/25 2:18 UTC
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Filed under:

virtualbox

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display

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power-management

I have installed Ubuntu 11.10 (Oneiric) in VirtualBox as well as virtualbox-guest-additions . The display resolution adapts to the size of the window as expected, but the display turns off after 10 minutes of inactivity. Thinking there was some sort of power management issue at play, I went to Power in the settings dialog:

enter image description here

There doesn't really seem to be anything there that mentions "turn off display after xxx minutes" so I assume everything is configured correctly there. Next I went to Screen and found an option there "Turn off after:".

enter image description here

Aha! I thought. Now I have found the option - but alas: even after setting it to "never" and restarting multiple times, the display still shuts off after 10 minutes.

What am I missing? What option am I overlooking?

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