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["Alessio \"Spinus\" Moscatello" <spinus1@xxxxxxxx>]

Sorry for the delay...
I've an Intel graphic card
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
After some other investigation I will try to summarise the problem, because I've seen different behaviour with dim enabled/disabled 

With dim enabled:
1)leave pc idle
2)when the monitor goes black wait a few minutes
3)move the mouse/keyboard but the screen remains black, even if you change screen brightness using the special key  (Fn-F6)


With dim disabled:
1)leave pc idle
2)when the monitor goes black wait a few minutes
3)move the mouse/keyboard but the screen remains black
4)if you change increase screen brightness using the special key  (Fn-F6) the back light turn on and I can use the pc 


Note: if I leave the pc idle for about an hour with even with dim disabled I cannot any more restore the back light

Feel free to ask me clarification if my description is not very clear...

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-power-manager in Ubuntu.
https://bugs.launchpad.net/bugs/844241

Title:
  Dim on idle does not brighten with activity

Status in “gnome-power-manager” package in Ubuntu:
  Confirmed

Bug description:
  I've upgraded my laptop from natty to oneiric and I've noticed that when I leave the pc idle (or I manually lock the screen) the back-light is not restored when I move the mouse or press a key, but I must turn it on and increase it using the keyboard button.
  Is the same behaviour described in this old bug #199522.

  Naturally if I uncheck the option "dim screen to save power" the issue
  doesn't occur.

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