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Thread Starter 
Hi, I'm new to the site and I'm hoping someone can help me out.
I have a vaio PCG-Z1A, and when I run the laptop on batteries, I have set up the display to be in a low level of brightness. When this happens, the screen looks like sepia, like a reddish "fog" all over the screen. When I increase the brightness, it just fades away and the lcd enters perfect color balance.

its a crappy 16mb ATI mobility radeon card and everything else is in order. If I move back and forth the screen or touch everywhere, nothing changes. I just changes when I increase brightness.

Does anyone know what could be the issue?

best regards,
Fede