Re: Unreversable dimmiing of display

[Timothy Balwin <T.E.Baldwin99@members.leeds.ac.uk>]

Andrew Reid wrote:


>> If I dim the display using the KDE power gadget a lot, or allow it to dim
>> automatically due to low battery, it dim suddenly to a barely perceivable
>> level and I can not restore the display to full brightness without
>> rebooting except for a brief flicker when the display is switched off.
> 
>   I had an older ThinkPad that used to do this, and I never solved it,
> but I did find a work-around -- if I did "ctrl-alt-F1" to switch
> to a text console, the keyboard brightness controls would work, and
> then when I did "ctrl-alt-F7" to switch back to the X-window system,
> the brightness would be preserved.

This has no effect to the brightness, the screen is dim in text mode also. 
It works without problem the kernel from Squeeze.