Comment 2 for bug 312583

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David Taylor (me-davidandrewtaylor) wrote :

The bug that you have their has been resolved in 4.1 apparently so this must be a regression. As a temporary fix you may have to disable the screen locking and screensaver until this is investigated.

Go to:

System settings -> Advanced tab (have you noticed that you use the advanced tab more than the General tab) and select power management.

Select edit profiles on the left.

I changed the performance settings as my laptop is usually plugged in when I watch a movie on it.

Change the 'When the system is idle for more than' setting - I selected do nothing.

The right hand pane is arranged in to a most strange vertical tab arrangement - select screen from that and set the screen not to power off.

This suits me as when the screen is due to switch off it never works. That said I have probably tainted this report as from the 30 or so faults I have been involved with here none have been fixed until the new version of Ubuntu arrived. Infact the most critical one 284229 - I am surprised more haven't joined in there.