Hi,

until the bug is fixed, you can press FN + F1 to turn down the screen 
brightness and FN + F2 to turn it back up.  Note: if using a Macbook, turning 
brightness to 0%, will turn off the screen.  No one will be able to see 
anything.  This is not the case with iMacs and Mac minis.

hth

Ricardo Walker
[email protected]
Twitter:@apple2thecore
www.appletothecore.info

On Mar 24, 2012, at 1:54 PM, Traci <[email protected]> wrote:

> Hi all,
> 
> I have a bit of vision and I like to use screen curtain from time to time.  I 
> always thought screen curtain turned the screen dark.  Are there options here?
> 
> Just recently, I hit screen curtain, and my screen looks white, not dark.  
> Does anyone know anything about this?  A bug maybe?
> 
> Thanks,
> Traci
> 
> Sent by Macbook Air Mail
> 
> 
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