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HT1151 How do I boot from my OS-X Lion flash disk/USB?

2828 Views 1 Reply Latest reply: Mar 29, 2013 7:21 AM by mende1 RSS
wilfredfromdearborn Calculating status...
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Mar 29, 2013 7:20 AM

I need to format my HD because of random lock-ups and reinstall OS-X Lion. I don't remember which key to hold down while I press the start button.

iMac, Mac OS X (10.7.5), Startup from OS-X Lion Flash Disk

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