Windows 10: Location of EFI partition

Discus and support Location of EFI partition in Windows 10 Customization to solve the problem; This may be posted in the wrong area and can be moved if necessary.The question is: Does it matter where the EFI partition is located on your System... Discussion in 'Windows 10 Customization' started by KenMel, Jun 12, 2021.

  1. KenMel Win User

    Location of EFI partition


    This may be posted in the wrong area and can be moved if necessary.The question is: Does it matter where the EFI partition is located on your System Drive?When you look at new UEFI install of Windows on a GPT disk, the EFI partition is usually shown as the first on the drive.If you take an MBR drive and convert it to GPT I've used MBR2GPT and Aomei Partition Asst the EFI partition comes after the C partition and there is no MSR partition created. I've done this several times on an older PC I use for testing purposes. So does it really matter matter if the EFI partition is first and do you re

    :)
     
    KenMel, Jun 12, 2021
    #1
  2. 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 Location of EFI partition :)

    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 12, 2021
    #2
  3. Suvrat18 Win User
    Blank EFI Partition

    I have an ASUS R558UR.

    I had windows 10 installed on my laptop and I decided to again have a clean install of windows 10. I booted from USB and cleaned windows partition i.e. C drive and also cleaned EFI partition. I reformatted Drive and it had also created EFI partition of 100
    MB. I installed windows on laptop and setted that up. After installing windows my laptop it started taking a long time to boot about 90 seconds but earlier it took only 7-10 seconds. After analysing everything I found that my EFI partition is blank.

    Please suggest me how to write back EFI partition so as to reduce boot times.

    Thanks in Advace.
     
    Suvrat18, Jun 12, 2021
    #3
  4. Saltgrass Win User

    Location of EFI partition

    UNMOUNTABLE_BOOT_VOLUME after creating new EFI System Partition

    I would probably have booted to a Windows install or recovery media to create the

    EFI system partition by using Diskpart and the create par efi command with any modifiers necessary to make it fit in the correct location.

    I know Linux can use a Microsoft EFI partition but I do know if Windows can use a Linux version.

    Yes, the bcd listing which shows the boot manager and OS loader.

    It may have been easier to use a third party partition manager to change the size of the EFI partition.

    If you might need it, here are the details of an EFI partition from Diskpart.

    Partition 2

    Type : c12a7328-f81f-11d2-ba4b-00a0c93ec93b

    Hidden : Yes

    Required: No

    Attrib : 0X8000000000000000

    Offset in Bytes: 524288000

    Volume ### Ltr Label Fs Type Size Status Info

    ---------- --- ----------- ----- ---------- ------- --------- --------

    * Volume 3 FAT32 Partition 99 MB Healthy System
     
    Saltgrass, Jun 12, 2021
    #4
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Location of EFI partition

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