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GPT header corruption after preclear

Bob-omb
in General Support

Featured Replies

  • Community Expert

After preclearing a new disk in Unraid booting the PC shows this:

image.png

This has never happened before. Then again, I don't think I have ever done a full preclear before either.

  • Quote
    • Community Expert

    Make sure that drive is not in the boot sequence in the bios.

  • Quote
    • 3 weeks later...
    • Author
    • Community Expert
    On 6/29/2026 at 11:23 AM, Kilrah said:

    Make sure that drive is not in the boot sequence in the bios.

    Just checked. It's not.

    2026-07-14_08-57-56.png

  • Quote
    • Community Expert

    If the BIOS allows it, just ignore the error; it should go away once you use the disk, if it doesn't, wipe the disk outside Unraid and use it wihtout preclearing first.

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