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Screen does not light up but computer works fine - graphics issue

1211 Views 2 Replies Latest reply: Apr 1, 2011 12:47 AM by sthlm RSS
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Mar 26, 2011 1:32 AM

One morning turning on my machine the screen would not light up. The computer works well and I can access it through screen sharing. I think there is something wrong with the graphics card because
when I try and open iMovie the computer tells me 'Quartz Extreme Required - One or more of your graphics cards does not support Quartz Extreme'.

See photo:

- How can I run system diagnostics hardware test?
(I understand there is one on the os x disk, but I cannot see screen the screen)

- Anyone else with this problem? Any good hardware test software for OS X?

Macbook Pro 15" (2007), Mac OS X (10.6.7)


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