- Joined
- May 20, 2008
- Messages
- 44,213
- Reaction score
- 1,424
- Points
- 113
- Location
- U.S.
- Your Mac's Specs
- 2017 15" MBP, 16gig ram, 1TB SSD, OS 10.15
10-4. Put the drive back and upgrade it to OS 10. You still need to check that the boot rom is 4.1.9 before you install 10. Then put the new drive in an external firewire or USB box and be done.
Yeah...this sounds like a cheaper & faster approach to getting OS 10 on this computer!
- Nick