converting windows 11 from mbr to gpt without losing data

Discussion in 'Operating Systems' started by ramthegamer, Oct 14, 2021.

  1. ramthegamer

    ramthegamer Ancient Guru

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    i have tried to change windows 11 installed on C: drive (250gb ssd) from mbr to gpt using aomei partition assistant, since i don t want to lose data, however when the pc restarts to the aomei boot mode i get an error message after clicking convert to gpt
    sorry current operation cancelled
    information code 104
    total clusters too large and exceed the file system allowed capacity.
    what the heck is that?
     
  2. Astyanax

    Astyanax Ancient Guru

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    ntfs should be 4k clusters and aligned to 4k, anything larger is out of spec.
     
  3. ramthegamer

    ramthegamer Ancient Guru

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    It s fine i clean reinstalled win 11 using usb after setting bios to uefi, now safe boot tpm 2.0 are enabled i can run faceit ac again
     

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