Old Dead iMac....use MBP to erase and reinstall Yosemite??
i have mid 2007 imac wanting erase , restore...and give 95 year old grandpa. have current backup through time machine external (i assume...it says it's current imacs current behavior has me doubting can trust it) person outlined situation i'm having not making through startup. apple logo screen bar inching forward. gets halfway in 10 minutes...then computer shuts down. https://www.ifixit.com/answers/view...c+shutdown+halfway+through+loading+on+startup need accessing unusable imac ...by way of mid 2014 mbp running high sierra.....so can 3 things: wipe clean, reinstall yosemite, , give grandpa. can help? thank all, matt you need bootable external drive, usb or firewire, loaded compatible operating system, or installation media compatible os (since latest os won't run on it). if can boot external media (installation disks or bootable external drive has full os ins...