Could not delete partition


  1. Posts : 6
    Windows 10
       #1

    Could not delete partition


    I am having a 64GB pen drive with me. The first problem that occurred was that I was unable to format the disk. Then I used diskpart and used the commands clean and clean all. Before completing clean all, I ejected my drive. Then I tried create partition primary and it succeeded. When I gave format command, the same error occurred. Now the drive size has reduced from 64GB to 4Mb. When I now try to list partition, it shows the primary partition. When I tried to delete that partition, I am not able to select it ie. when using the command select partition 1, it shows no partitions selected. Unfortunately I think I have removed the partition table also. When I used 3rd party softwares like AOMEI partition assistant, nothing worked. Is there any solution to restore the size from 4MB to 64GB?
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  2. das10's Avatar
    Posts : 2,755
    Win 10 pro 20H2
       #2

    Did you remove the pen drive whilst diskpart was 'cleaning' it. If so, it could have corrupted it. Did you try to run the clean command in diskpart again ?
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  3. spunk's Avatar
    Posts : 2,832
    Windows 10 Pro 64 Bit 20H2
       #3

    It sounds like this Pen Drive has failed. Flash Drives are notorious for not being dependable and failing. As stated, run the Diskpart command Clean.
    Then use Aomi Partition Master to create a partition and format it, if that fails, then it needs to be replaced.
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  4. Posts : 6
    Windows 10
    Thread Starter
       #4

    During clean all command, I removed the usb after closing command prompt. But when I ran clean command again, it didn't show any error.
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  5. Posts : 6
    Windows 10
    Thread Starter
       #5

    I was actually facing one more issue. When I tried to format the drive, it also showed a write protected error. But I don't know how to deal with it.
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  6. das10's Avatar
    Posts : 2,755
    Win 10 pro 20H2
       #6

    I can only suggest you try MiniTool Partition Wizard to see if it helps:

    Best Free Partition Manager for Windows | MiniTool Partition Free

    Good luck.
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  7. spunk's Avatar
    Posts : 2,832
    Windows 10 Pro 64 Bit 20H2
       #7

    This is an indication that the drive has failed.
    You can remove the Read Only bit in DiskPart Patrick Ryan Nielsen: DiskPart - Removing ReadOnly Flag from Volume
    If that fails, then the drive needs to be replace
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