Comment 8 for bug 711284

I don't know if my case is the same as told here but I have a Delll Inspiron with Core 2 Duo, 4Gb RAM running a fresh install of Natty and if I leave my computer idle for (note sure but around) 15 minutes.

In my case, what happen is that most of the times the computer screen turns off and when I try to bring the screen back only the pointer shows up with everything black and the keyboard becomes unresponsive except for the tty's shortcuts Ctrl+Alt+F? (? = 1 - 6).

Lately I've been noticing that sometimes it freezes even before the screen turns off, which on my power management is set to 10 minutes.

If anyone have any ideas, or if this bug is not my case, thanks in advance anyway =]