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When the ´choose startup disk’ window comes up. There are no options to choose from and is just a loading wheel. The only other option is ´target disk mode’ which I don’t use. I don’t know where to go from here. Any help?
Backup. Reset SMC and PRAM, and safe-boot and do Disk First Aid in Recovery mode. Or try another user account. If that does not help, try to reinstall the latest macOS on top of the old one.
Backup. Reset SMC and PRAM, and safe-boot and do Disk First Aid in Recovery mode. Or try another user account. If that does not help, try to reinstall the latest macOS on top of the old one.
this is the window I am referring to in my question
Can you provide some information?
What is your mac model
What version do you have and what version are trying to update to?
Choose startup disk when updating OS
