I suspect, Chuck, that it is making black from colours, not by turning pixels
down (which I don't think is possible).
I've just bought an old (2004) eMac, for a technophobe to have a go at
computing; the CRT monitor is amazingly dark after using LCD screens for so
long.
Chris
On 13 Jun 2012, at 20:31, Chuck Norcutt wrote:
> So, how come? Has monitor software taken full control of brightness
> away from me so I don't shoot myself in the foot? After all, if I did
> manage to turn the screen black I wouldn't be able to see the on-screen
> controls to turn the brightness back up.
--
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