[Durham] Screen brightness

[David Walland]

*SOLVED*

My problem turned out to be in the BIOS, which unilaterally decided to turn
down the screen brightness when on Mains power but not on battery.  When
asked why, it remained mute!  I've reset it and all is now well again.

David

On 12 December 2014 at 17:16, Oliver Burnett-Hall <olly at burnett-hall.co.uk>
wrote:
>
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> On 11/12/14 10:19, David Walland wrote:
> >
> > I'm not sure what is happening... Any ideas?
>
> Do the hardware brightness controls (usually something like Fn key +
> F6/F7) still work when the laptop is on external power?
>
> I've got a Lenovo Thinkpad Edge 13 laptop, and it's gained a quirk
> where the screen dims to save battery after a while if there isn't any
> input, but doesn't undim when you press a key or move the mouse. I
> have to manually fiddle with the screen brightness to get it back to a
> sensible level.
>
> - - olly
>
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> =lCAL
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