Uneven Screen Lighting

Hi all,
I'm brand new to the Powerbook world, after being totally surprised with a 12" 'book for Christmas! I'm trying to learn about it and the one thing that is bugging me is that I can't seem to get an even lighting on my screen. No matter how I look at it - there is always a gradation of light - from dark at the top to light at the bottom.
I use a 50% gray background - so the effect is pretty obvious. I do graphics work, so I'm concerned about the effect this might have.
Also - at the very bottom of the screen, the screen get's darker - almost as if the edge of the screen is casting a shadow on the screen - though this appears even in a dimly lit room where a shadow wouldn't be cast.
Lots of words, I know - but if anyone can shed some light, I'd appreciate it.
Joe

This is a general problem with the 12" and is considered somehow "normal. I myself had seen 20 12"s and they all look the same, if you want this problem to vanish you need a different screen size, a bigger laptop. I'm serious, eve if it sounds a bit streange, alll 12"s from apple have this problem. I am actually receiving a new one today (as the previous one, received just before Christmas, died after 2 days). But initially I had the same problem and after talking to some people about it, seeing an apple expert and an IT manager, after seeing all tyhese powerbooks, I realised that this annoying inconvenience is not considered a defect. I myself am tempted to send the second one backk too and get a bigger one, just because of this problem.

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