Windows 10: Delete EFI partition on external drive.

Discus and support Delete EFI partition on external drive. in Windows 10 Gaming to solve the problem; I've been having problems regarding SSD cloning. Macrium have been very helpful. It appears that I'm booting from the 2 installed internal hard drives... Discussion in 'Windows 10 Gaming' started by majestic100, Jun 18, 2024.

  1. MAJESTIC100
    majestic100 Win User

    Delete EFI partition on external drive.


    I've been having problems regarding SSD cloning. Macrium have been very helpful. It appears that I'm booting from the 2 installed internal hard drives !?!. It was working OK for ages but obviously something subsequently has happened. It was recommended I clone to an external drive. Fortunately I had a another SDD that I could use. I reformatted this and connected externally . Checked with file folder that it could be read and was empty. All good.Used Macrium to clone but was concerned that if supposedly booting form 2 internal drives, what am I copying, and would it work?It didn't! B

    :)
     
    majestic100, Jun 18, 2024
    #1
  2. TROG100
    trog100 Win User

    Move EFI partition

    its to enable win 10 to update to its anniversary edition.. it cant do this due to lack of C drive space i have had a quick try with the trial version of easus.. it didnt seem to be able to do what i want..

    i am assuming i cant just delete the efi partition but maybe i could.. as yet i havnt even figured out how to get into the bios of the thing.. maybe that should be my next step.. *Smile Delete EFI partition on external drive. :)

    diskpart could probably do it but figuring out how (it aint that user friendly) might be difficult without step by step instructions..

    trog
     
    trog100, Jun 18, 2024
    #2
  3. RAMESH SRINIVASAN
    Ramesh Srinivasan Win User
    Several EFI partition but only one working

    My earlier post didn't have instructions on how to delete the two EFI partitions on Disk 0. So, disregard that reply. Let's go step by step.

    First, get me the list of partition numbers on Disk 0.

    Run:

    • diskpart
    • list disk
    • sel dis 0
    • list part

    Please post screenshot.
     
    Ramesh Srinivasan, Jun 18, 2024
    #3
  4. RAMESH SRINIVASAN
    Ramesh Srinivasan Win User

    Delete EFI partition on external drive.

    My EFI System and Recovery Partitions are on the wrong disk (Windows 10)

    Please boot into WinRE and do the following:

    1. Delete the EFI partition on disk 0
    2. Re-run the bcdboot command suggested earlier. Be sure to use the correct drive letter. You can determine the OS partition's drive-letter by running diskpart & list volume commands.

    Edit:

    "Volume Z" gave you two more options. If you don't mind having the EFI on disk 0, then all you need to do is delete the unwanted boot entries using msconfig.

    OTOH, if you want to have the EFI partition on Disk 2, then delete the EFI partition on Disk 0 and run the bcdboot command.
     
    Ramesh Srinivasan, Jun 18, 2024
    #4
Thema:

Delete EFI partition on external drive.

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