Previous 1 2 Next 19 Replies Latest reply: May 18, 2013 8:22 AM by studyplenty
resonator79 Level 1 (0 points)

Here's an interesting thing I noticed with both my Macbook Pros:

While I can boot from an external USB DVD drive with the original optical drive still in the device, once it's removed and replaced by a second hard drive I can't anymore. Same with USB keys.

Can anybody confirm this? And - is there a workaround in way shape or form?

Macbook Pro Early 2009, Mac OS X (10.5.8), -
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