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I found my computer frozen in mid-startup, I had not initiated this restart. I tried several fixes and finally just tried copying my bootable backup (Big Sur) to the internal drive but, now the internal drive is 122G instead of the 3 Terrabytes it was. I think I'm only seeing the SSD associated with it. What to do?
iMac 27″, macOS 12.3
You can attempt the steps in How to fix a split Fusion Drive - Apple Support
You can attempt the steps in How to fix a split Fusion Drive - Apple Support
Your computer may have either a split Fusion drive or the internal HD has failed. Please contact AppleCare, the phone number for you area is in AppleCare Contact Info
Yes, I think that its only showing the SSD and none of the hard disc. Isn't there a command to reunite these, or do I assume the thing is dead? and thanks for, your response.
most of internal hard disc is missing
