Windows 8 and 8.1 Forums

Efi Partition

  1. #1


    NY
    Posts : 78
    Windows 8, 7 & Xubuntu 13.10

    Efi Partition


    I dual boot Windows 8.1 and Mint 17.1. I received a message when booting into Mint that the EFI Partition was low on space (9.3 mb left out of 100 mb). Windows 8.1 runs fine as far as I can tell.

    What, if anything should I be concerned about? Can the efi partition be enlarged? Why would I get an error error message like this?

    I am concerned as reinstalling Windows 8.1 is a major project and needed for certain tasks.

    Any thoughts are greatly appreciated!

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  2. #2


    Posts : 2,690
    Windows 3.1 > Windows 10


    You can use > Free Partition Manager - AOMEI Partition Assistant Standard to increase the size of the efi partition so you have 50MB of free space
      My System SpecsSystem Spec

  3. #3


    NY
    Posts : 78
    Windows 8, 7 & Xubuntu 13.10


    I will give it a try. Thanks for replying!
      My System SpecsSystem Spec

  4. #4


    NY
    Posts : 78
    Windows 8, 7 & Xubuntu 13.10


    Quote Originally Posted by KYHI View Post
    You can use > Free Partition Manager - AOMEI Partition Assistant Standard to increase the size of the efi partition so you have 50MB of free space
    That doesn't work as the EFI Partition is not accessible to be enlarged. Same goes for the the Recovery Partition.

    I have no clue how to proceed. Any ideas?
      My System SpecsSystem Spec

  5. #5


    Posts : 148
    Windows 8.1 Update 1


    Get a Linux distribution like Ubuntu, Linux Mint..., boot from DVD and use gparted or any other partition manager that comes with the distribution of your choice (or you can always install gparted when running Linux from DVD). Now you can access and edit the EFI partition.
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  6. #6



    Trying to Sith things out
    Bamberg Germany
    Posts : 2,290
    Windows 10 Pro 64 bit


    Quote Originally Posted by altae View Post
    Get a Linux distribution like Ubuntu, Linux Mint..., boot from DVD and use gparted or any other partition manager that comes with the distribution of your choice (or you can always install gparted when running Linux from DVD). Now you can access and edit the EFI partition.
    I don't think that's such a good idea. I did something with Gparted and moved windows partitions around and wasn't able to boot after(MBR repair took care of that ) and had to repair grub after. It would have been easier to reinstall windows using custom partitioning then reinstall Ubuntu. And EFI repartitioning is even more "dangerous"
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  7. #7


    NY
    Posts : 78
    Windows 8, 7 & Xubuntu 13.10


    Quote Originally Posted by Cliff S View Post
    Quote Originally Posted by altae View Post
    Get a Linux distribution like Ubuntu, Linux Mint..., boot from DVD and use gparted or any other partition manager that comes with the distribution of your choice (or you can always install gparted when running Linux from DVD). Now you can access and edit the EFI partition.
    I don't think that's such a good idea. I did something with Gparted and moved windows partitions around and wasn't able to boot after(MBR repair took care of that ) and had to repair grub after. It would have been easier to reinstall windows using custom partitioning then reinstall Ubuntu. And EFI repartitioning is even more "dangerous"
    Yes, that is true. Besides, I can't access the EFI partition in Gparted.

    I guess the question is why is the partition low on space and is there anything I can do about this?

    Thanks.
      My System SpecsSystem Spec

  8. #8



    Trying to Sith things out
    Bamberg Germany
    Posts : 2,290
    Windows 10 Pro 64 bit


    BIOS-Boot or EFI partition (required on GPT disks)

    If you want to install Ubuntu on a GPT disk (you can check it via the 'sudo parted -l' command), you will need either an EFI partition (if your BIOS is set up in EFI mode) or a BIOS-Boot partition (if your BIOS is set up in Legacy mode).
    BIOS-Boot partition:
    • Mount point: none
    • Type: no filesystem
    • Description: the BIOS-boot partition contains GRUB 2's core. It is necessary if you install Ubuntu on a GPT disk, and if the firmware (BIOS) is set up in Legacy (not EFI) mode. It must be located at the start of a GPT disk, and have a "bios_grub" flag.
    • Size: 1MB.


    EFI partition:
    • Mount point: /boot/efi (no need to set up this mount point as the installer will do it automatically)
    • Type: FAT (generally FAT32)
    • Description: the EFI partition (also called ESP) contains some boot files. It is necessary if the firmware (BIOS) is set up to boot the HDD in EFI mode (which is default on more and more modern, > year 2011 computers). It must be located at the start of a GPT disk, and have a "boot" flag.
    • Size: 100~250MB
    source
      My System SpecsSystem Spec

  9. #9


    NY
    Posts : 78
    Windows 8, 7 & Xubuntu 13.10


    Quote Originally Posted by Cliff S View Post
    BIOS-Boot or EFI partition (required on GPT disks)


    If you want to install Ubuntu on a GPT disk (you can check it via the 'sudo parted -l' command), you will need either an EFI partition (if your BIOS is set up in EFI mode) or a BIOS-Boot partition (if your BIOS is set up in Legacy mode).
    BIOS-Boot partition:
    • Mount point: none
    • Type: no filesystem
    • Description: the BIOS-boot partition contains GRUB 2's core. It is necessary if you install Ubuntu on a GPT disk, and if the firmware (BIOS) is set up in Legacy (not EFI) mode. It must be located at the start of a GPT disk, and have a "bios_grub" flag.
    • Size: 1MB.


    EFI partition:
    • Mount point: /boot/efi (no need to set up this mount point as the installer will do it automatically)
    • Type: FAT (generally FAT32)
    • Description: the EFI partition (also called ESP) contains some boot files. It is necessary if the firmware (BIOS) is set up to boot the HDD in EFI mode (which is default on more and more modern, > year 2011 computers). It must be located at the start of a GPT disk, and have a "boot" flag.
    • Size: 100~250MB
    source
    Yes I understand this. Mine is an EFI partition. So what do I do about and EFI partition (100 mb) that is low on space. It seems Dell should have made it 250MB v 100MB.

    Thanks
      My System SpecsSystem Spec

  10. #10



    Trying to Sith things out
    Bamberg Germany
    Posts : 2,290
    Windows 10 Pro 64 bit


    I don't know but with Macrium Reflect Free you can make a system image, mount it and then browse it, then maybe you can see what is taking up so much room. With windows 8.1 alone mine is only 28.6MB from 260MB(at least Lenovo left enough room).
      My System SpecsSystem Spec

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