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Old Feb 24, 2010, 12:01 PM   #1
ezsober
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Most recent firmware update prevents computer from booting

Hi. I recently attempted to install the most recent firmware and security updates for mac os x 10.5.8 on my macbook pro 17 inch (purchased about 14 months ago). Computer asked me to reboot, i did, it then gave me instructions for firmware updates. The screen went dark, and it did its thing, and I returned 10 minutes later. The computer had not rebooted.

I pressed the startup key and it gave a long beep. Screen remained dark. Some minutes later it ran the boot cycle, but booted into windows (i have dual boot set up). I can only get into windows now.

What is going on?

Thanks for any suggestions.
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Old Feb 24, 2010, 12:32 PM   #2
iLog.Genius
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Boot off your install DVD and from there you'll have a clearer picture on what's going on with the OS X partition.
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Old Feb 24, 2010, 01:03 PM   #3
Cool Runnings
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Hold down the ALT-key when you boot to select bootdevice. OS X and Windows should show up there any other bootable device that is connected
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Last edited by Cool Runnings; Feb 24, 2010 at 01:08 PM.
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