What can I do if my USB flash drive is write-protected or read-only?
When I plug in my USB flash drive, it shows up on my computer as write-protected or read-only. I am unable to transfer data to it, nor can I modify or delete any files already stored on it. I also cannot repartition or reformat the drive using Windows Disk Management, DiskPart, GParted, or other tools. The drive does not have a write-protect switch.
Why did this happen and what can I do about it? Is there a way to remove the write protection? (Note that this can happen with some memory cards, too, as they often use controllers similar to those used in flash drives.)
This question comes up often and the answers are usually the same. This post is meant to provide a definitive, canonical answer for this problem. Feel free to edit the answer to add additional details.
Why did this happen and what can I do about it? Is there a way to remove the write protection? (Note that this can happen with some memory cards, too, as they often use controllers similar to those used in flash drives.)
This question comes up often and the answers are usually the same. This post is meant to provide a definitive, canonical answer for this problem. Feel free to edit the answer to add additional details.
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