I am doing a clean install of Mojave on my MacBook – it has simply not been possible to upgrade from High Sierra to Mojave automatically.
I understand that it will overwrite all of the HDD contents
I know I can simply copy document files etc and then copy them back into the new system
But, will a Time Machine backup from the original High Sierra be able to reinstall all of my programs?
Mac – Time Machine Backups
backuptime-machine
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Best Answer
Thanks for the help. The problem turned out to be both more complicated and simpler than I originally thought.
I had installed a Tar Disk in 2015 and more research showed that quite a few users were having the same problems and error messages as I was.
I followed the instructions here - https://www.tardisk.com/pages/uninstall-sierra - to uninstall the Tar Disk - NOT removing it because I was coming from High Sierra, as the instructions said. It DID NOT solve the problem.
I then went through the whole rigamarole again; shut down my MacBook and physically removed the Tar Disk. I then reopened the Disk Utility and reformatted the internal Mac SSD - installed Mojave from a USB and it seems to have worked.
To answer my PRECISE question - now that Mojave is installed - Time Machine has been able to recover/reinstall all of my files and programs
Thanks again to those of you who responded