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New external hard drive not displayed in my computer or disk management options

paul3099paul3099
edited November 2017 in AOMEI Products Support

Hello All - Hope you help/advise - I'm trying to connect a new Seagate 3TB Expansion external desktop drive to my old Windows XP Home - SP3 desktop.


diskmgmt.msc option does not display new drive - only c-drive


I have been using another 3 year old 3gb Seagate drive on same XP desktop almost daily with no problems.


I'm trying to assign a new drive letter to the hard drive but get an error



I have checked the error message page - it suggests manually changing the drive name but I can't do that as the new hard drive is not displayed in the pc's disk management option - any ideas what I can try next please ? 

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Comments

  • paul3099paul3099

    I have also rebooted the pc a few times

  • JohnnyboyGoJohnnyboyGo
    edited November 2017

    XP Home does not recognize GPT initialized disks. Only XP-Pro 64 bits and Vista and up.

    Is your other 3TB drive  initialized as MBR?

    You can Clean the disk with Diskpart and initialize again as MBR, but you lose all data.


    https://en.wikipedia.org/wiki/GUID_Partition_Table


  • paul3099paul3099

    Hello JohnnyboyGo - Yes my old external drive is MBR - my new external drive hasn't been used yet - will take a look at your link - thanks for your advice  

  • JohnnyboyGoJohnnyboyGo

    If you want to Clean, better use a non XP machine, like WIn7, 8 or 10


    Start CMD.exe  (Dosbox)

    diskpart  <enter>

    list disk

    select disk #      (your external disk)

    list disk              (to be sure. An asterisk * is now in front of the selected disk)

    clean                 

    exit

    exit

    Now goto disk management and initialize the disk as MBR

  • paul3099paul3099

    Thanks for your help JohnnyboyGo - much appreciated

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