0
votes
1answer
3k views

I want to reformat my external hard disk but disk utility said it could not be unmounted

Hi I wanted to reformat my HP 500GB hard disk to MS DOS (FAT) by using Disk Utility but Disk Utility kept saying that the hard disk cannot be unmounted. I tried googling it but nothing seems to answer ...
2
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1answer
761 views

Mac Disk Utility Undo volume scheme change

My sister made a mistake when trying to reformat a hard drive, and buggered up a hard drive with her work on it. She says it happened very quickly which leads me to believe she's actually just ...