folder icon with question mark, no disk detected
there is a folder icon with question mark when starup, I tried recovery mode. and there is no partition or hard disk detected. I also boot the computer from a portable hard drive, still no disk detected. I did some research, except changing whole logic board, they said change I/O board may solve the issue. Is this worth to try? thanks
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Update: I found the Touch ID is not working when I run Big Sur thru external drive. Touch bar works fine. Does lifeboat connecter failure ciuld cause this?
door Lei Li
Reset SMC did not bring Touch ID back
door Lei Li