Windows 8 and 8.1 Forums


Stuck at BIOS. Accidentally Deleted and formatted EIF

  1. #1


    Posts : 11
    Windows 8.1

    Stuck at BIOS. Accidentally Deleted and formatted EIF


    I was using easeus partition to repair a broken flashdrive. The pendrive was 1gb and I saw in the list of drives a 2 unnamed entries which are 900mb and 100mb. I assumed this is my pendrive. I deleted the 1st 100mb then the 900mb. An unallocated space showed up. I right clicked on it then selected create partition. Gave it a volume label: GG. After reboot I was shocked to see that I'm stuck in the BIOS screen. I googled for HOURS. then stumbled upon this recovery solution.
    here's what i've done so far:
    1. borrowed my cousin's win8 laptop and created a recovery drive but I did not checked the copy files to usb since it requires a minimum of 32gb (my flashdrive is 16)
    2. Inserted the flashdrive (named: recovery) to my laptop
    3. accessed command prompt. Did some bootrec /fixboot and BCD C:\windows thingy and after several trial and error I got the GG drive to have the EFI files and folders
    btw here are my volumes upon diskpart list volumes:
    C:GG
    D:OS - main local drive
    E:Files -games and files
    F: optical drive
    G: recovery
    4. Upon restarting and removing my flashdrive, I'm still stuck in BIOS
    i think the problem is that the EFI drive is in NTFS when i formatted it with easeus. Also isn't it supposed to be 2 drives (900mb and 100mb)? What should i do? OMG please help me. I was really depressed at the office this afternoon I felt like i was floating in the air. I have work tomorrow and my files are badly needed.

    edit:
    tried: system restore- it says i must select os blabla.
    automatic repair: useless
    chkdsk on command prompt. some results but not good enough
    tried to locate system restore using command prompt but i don't know the file name

      My System SpecsSystem Spec

  2. #2


    Posts : 2,690
    Windows 3.1 > Windows 10


    The 100MB partition was in fact your EFI boot partition
    The 900MB partition was your OEM recovery Tools partition
    You should also have a 128MB partition - MSReserved Partition

    Delete the GG volume and from the CMD Prompt type>

    create partition efi size=100

    format quick fs=fat32 label="System"

    assign letter="S"

    if you do not have the 128MB partition then type>

    create partition msr size=128

    based on your stated diskpart it appears D is your OS drive letter - the command below assumes your OS drive letter is D - else change to the correct drive letter found by diskpart for your OS drive

    bcdboot D:\windows /s S:
      My System SpecsSystem Spec

  3. #3


    Posts : 2,690
    Windows 3.1 > Windows 10


    what would be even better then booting the Recovery Disk you created (which has no real user type interface)
    download and create WIN81SE in my sig below - where you can actually see what you are doing
      My System SpecsSystem Spec

  4. #4


    Posts : 11
    Windows 8.1


    Hi. Thanks for the replies. I was able to fix my problem by formatting the drive as FAT32 then using command prompt, copied the files from D:\windows to the new EIF drive.

    I have some questions to ask:
    1. is there any impact on my laptop's performance after what happened?
    2. EIF drive is showing in my computer. how can i hide it?
      My System SpecsSystem Spec

  5. #5


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    tried to locate system restore using command prompt but i don't know the file name
    System Restore from cmd prompt-

    Code:
    rstrui.exe
    Start System Restore from a command prompt - Windows Help

    I know you fixed things.
    rstrui.exe pulls up-

    Click image for larger version

    Click image for larger version

    I have mine shut off.
    I use Macrium Reflect to restore from images.
      My System SpecsSystem Spec

  6. #6


    Posts : 205
    Windows 8.1 64bit


    Good to hear you got it back up. I bet you didn't have as much fun as I did. Stuck in repair loop, can't stop it. Recovery DVDs? I don't think so. Drive ate disc #1. It made a sound that sounded like a 20 car pile up on the freeway.

    After 15hrs of pulling my hair out, to the shop it went. Now I'm $200 poorer.
      My System SpecsSystem Spec

  7. #7


    Posts : 2,690
    Windows 3.1 > Windows 10


    I have some questions to ask:
    1. is there any impact on my laptop's performance after what happened?
    2. EIF drive is showing in my computer. how can i hide it?
    1) there should not be performance issues
    2) for now use disk management and remove drive letter

    If you had used > create partition EFI < the partition would of been assigned the EFI flag
      My System SpecsSystem Spec

  8. #8


    Posts : 11
    Windows 8.1


    I did not use the create partition EFI because i had partitioned the drive prior to the solution. Can i really remove the drive letter thru disk management? second question: the flashdrive that i used as recovery drive which is 16gb is now not recognized by my laptop. I've tried formatting it as NTFS in other PC and it's working there. But not on my laptop. Any ideas? thanks btw for the replies
      My System SpecsSystem Spec

Stuck at BIOS. Accidentally Deleted and formatted EIF
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