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Today I swapped out the conventional hard drives in both of my old iMacs, replacing them with SSD's but to have a bit of fun (well actually to put the cosmetically better one in the lounge) I swapped the drives between the machines ... so iMac A got the cloned SSD from iMac B and vice versa, quite an interesting excursion into the innards of an iMac and the dust and debris of many years was removed
One iMac had the 'official' OWC cable fitted to the SSD to remove the thermal cable/racing fans issue and the other had a software solution, so all fans have been reined in and both startup and read/write times have been greatly improved as a result of the SSD's.
However I have a mystery with one of the iMacs ... everything works fine, boots up great, all applications there and working, BUT when I go to System Preferences > Startup Disk not disks are displayed!
'About this mac' shows it in 'Storage' and it's there in Disk Utility ... but nothing in System Preferences > Startup Disk.
A mystery to me, any of you mac gurus out there throw any light?
One iMac had the 'official' OWC cable fitted to the SSD to remove the thermal cable/racing fans issue and the other had a software solution, so all fans have been reined in and both startup and read/write times have been greatly improved as a result of the SSD's.
However I have a mystery with one of the iMacs ... everything works fine, boots up great, all applications there and working, BUT when I go to System Preferences > Startup Disk not disks are displayed!
'About this mac' shows it in 'Storage' and it's there in Disk Utility ... but nothing in System Preferences > Startup Disk.
A mystery to me, any of you mac gurus out there throw any light?