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Apple Computing Products:
macOS - Apps and Programs
Can't reformat USB flash drive - disk won't unmount
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<blockquote data-quote="krs" data-source="post: 1816487" data-attributes="member: 67742"><p>I have a 32 GB USB drive I'm trying to reformat to FAT32.</p><p></p><p>It's Mac formatted now but it's going to a friend who doesn't use a Mac.</p><p></p><p>When I try to erase to reformat, disk utility tells me that the disk will not unmount.</p><p>Tried it several times using disk utility.</p><p></p><p>Is there a way to force the unmount other than using terminal - I really don't like using terminal; always nervous that I make a mistake typing in a command and really screw things up.</p></blockquote><p></p>
[QUOTE="krs, post: 1816487, member: 67742"] I have a 32 GB USB drive I'm trying to reformat to FAT32. It's Mac formatted now but it's going to a friend who doesn't use a Mac. When I try to erase to reformat, disk utility tells me that the disk will not unmount. Tried it several times using disk utility. Is there a way to force the unmount other than using terminal - I really don't like using terminal; always nervous that I make a mistake typing in a command and really screw things up. [/QUOTE]
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Apple Computing Products:
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Can't reformat USB flash drive - disk won't unmount
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