9 Replies Latest reply: Oct 19, 2015 11:56 AM by David_Purnell
mmellon Level 1 (0 points)

I'm running 10.7.3 on an iMac Intel core i7.


When I restart and hold Option key, nothing happens...


The PRAM shortcut worked, but I cannot for the life of me, get the boot options to appear!!


Please help!

Need to boot from external drive.



iMac, Mac OS X (10.7)