Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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My computer desktop will not display.

when I power up my computer the display turns white and nothing displays. I"m told at the genius bar that I need to replace my logic board because of enlarged or blown capacitors. If so they want a large amt of money for the part and labor. I have grown very attached to this computer and would like to save it but the cost is a little over the top any suggestions how I can get this repair made at a reasonable price? I looked at a step by step guide on this site and while I'm not the most computer literate person I think I might be able to do this myself with a little help which in the grand scheme of things saves me about 150.00 and makes it more reasonable. How do I know that this is the only thing wrong with the computer?

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Hi Larry, when you boot the machine do you hear the chime, the fans, the hard drive loading or there's no activity at all ? If there's a hard drive activity you may connect an external monitor to your imac and check if you have video on it cause the problem could be a video cable issue or a LCD issue.

An other possibility would be a failing hard drive so you could try to boot from your installation disk or from an external hard drive. Did you try the pram and PMU resets ?

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larry Waddle will be eternally grateful.
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