Question about Apple iMac Desktop

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When I turn on the computer it takes a while to boot up, and when it does it stays idle for 10 seconds or so then shuts off?

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Sounds like there may be a problem with your OS X.
You will need to boot from your OS X DVD and run your Disk Utility to do a repair on your operating system.
To do this, start your iMac and pop in your DVD. Once you hear the boot up sound, hold the Option/Alt key. You will be given the option to choose between your hard drive boot up and DVD boot up, so choose the DVD. It'll take a while longer to load than usual as you're booting from a DVD, but once your Mac has booted up, use Spotlight (Apple + Space, type "Disk Utility") to load up your Disk Utility program. Once you've got that open, select your hard drive on the left and click "Repair Disk Permissions" and then click "Repair Disk."
Once you're done, reboot and your Mac should be working good as new.

Posted on Mar 25, 2011

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