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Apple Computing Products:
macOS - Operating System
Fat32 External Hard Drive is read-only?
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<blockquote data-quote="hunter3740" data-source="post: 1834596" data-attributes="member: 65495"><p><strong>usb stick now readOnly</strong></p><p></p><p></p><p></p><p></p><p>me too (using a 16GB usb stick); I could write to it for a couple months (nothing excessive), but then today is went mysteriously to read-only</p><p></p><p>SO, I plugged it into a windows machine, ran "diskpart", "select disk 1" (or "list disk" to be sure the disk number!), then "attributes disk clear readonly" (and "exit"), but nope, still a read only disk (whether using windows or mac)</p><p></p><p>in this state, you can't format it, or do some fun "sudo dd if=/dev/zero of=/dev/disk4 count=1024" type thing; it's simply stuck with whatever you last wrote to it (but can probably be read from forever); so, I'm guessing my couple months old USB just crapped out like an old solid state that was well written to, which can happen to new stuff (i.e. the memory chip wore out, as is the fate of all of our solid state memory stuff, but more likely to happen years down the road). this was a cheap freebie handed out as branding; no love lost</p><p></p><p>i.e. AlexJHolland: you're drive might be an SSD or hybrid (and ran into my same trouble)</p></blockquote><p></p>
[QUOTE="hunter3740, post: 1834596, member: 65495"] [b]usb stick now readOnly[/b] me too (using a 16GB usb stick); I could write to it for a couple months (nothing excessive), but then today is went mysteriously to read-only SO, I plugged it into a windows machine, ran "diskpart", "select disk 1" (or "list disk" to be sure the disk number!), then "attributes disk clear readonly" (and "exit"), but nope, still a read only disk (whether using windows or mac) in this state, you can't format it, or do some fun "sudo dd if=/dev/zero of=/dev/disk4 count=1024" type thing; it's simply stuck with whatever you last wrote to it (but can probably be read from forever); so, I'm guessing my couple months old USB just crapped out like an old solid state that was well written to, which can happen to new stuff (i.e. the memory chip wore out, as is the fate of all of our solid state memory stuff, but more likely to happen years down the road). this was a cheap freebie handed out as branding; no love lost i.e. AlexJHolland: you're drive might be an SSD or hybrid (and ran into my same trouble) [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Fat32 External Hard Drive is read-only?
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