Booting from USB is supported on your machine The operating system you made the drive from is not supported on your computer by a few generations, likely causing the issue.It is highly recommended that you opt right for the Snow Leopard retail DVD as there is no upgrade path from Tiger -> Snow Leopard for free. There is a remote chance that you may be able to order the recovery media through Apple's phone support - we used to do it when I worked for Applecare - but due to the age it is less likely that they would have it and/or would have shipping times under 2wks. You can find retail copies of the discs on eBay or other various sites. You will either need to order a set of restore discs for this particular system (as discs do not necessarily work between models, make sure to get the right ones) or find a retail copy of either Tiger (Make sure it is newer than 10.4.6), Leopard or Snow Leopard.
Yosemite is not supported on the Early 2006 iMac - it can only go up to Snow Leopard v10.6. Will this require an install disc after all and how will I know that it'll work?.Screen where I can see that I successfully installed the hard drive? Notorious for not wanting to boot off of USB?Ĭomputer then boot into Startup Manager anyway? Did I do something wrong making the USB drive, or are these Macs.When I press the Option button to try and get into Startup Manager, it does nothing. When I plug the USB drive in and boot it up, I still get the blinking questionmarked folder. Needless to say that I do not have the install discs for it anymore! But I do have another Mac computer, so I followed these directions to create a boot USB but did the same thing for Yosemite: Recently, I've gone through the trouble of replacing the hard drive on my Mac with the model A1174, which the Internet says is a iMac "Core Duo" 2.0 20-Inch Early 2006.