External HDD has error and won’t mount for backup

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                          I’m running Sonoma.  My external HDD has 4 partition (volumes). One of them can’t be repaired by macOS. 

However when plugged to old Mac with High Sierra it shows no problem. Is there a known fix for this?

Asked by 佐々木雅成 (1 rep)

Oct 31, 2024, 03:56 PM
Last activity: Nov 6, 2024, 01:29 AM

External HDD has error and won’t mount for backup

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