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    Samsung 900X3C: Removed BIOS Setup from UEFI NVRAM

    Discussion in 'Samsung' started by SplashDamage, Mar 11, 2015.

  1. SplashDamage

    SplashDamage Newbie

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    Hi there

    Short story:
    I tried to create a dual boot system using GPT/UEFI on the Samsung 900X3C. At the end I manually edited the UEFI boot options stored in the NVRAM using the UEFI Shell and eventually broke/replaced the entry for starting the BIOS Setup (Entry #0). As a result, I am no more able to get into the BIOS and change settings.

    Can someone with a Samsung 900X3C running Linux please run the following command as root and dump the output:

    # efibootmgr -v

    It shoul     d return something like this:

    # efibootmgr -v
    BootCurrent: 0008
    Timeout: 0 seconds
    BootOrder: 0008,0000,0003,0006,0004,0005,
    0007
    Boot0000* Microsoft ACPI(a0341d0,0)PCI(1f,2)03120a00000000000000HD(1,800,32000,b1b37db2-7123-4943-b847-bb0fe880bd71)File(\EFI\Microsoft\Boot\bootmgfw.efi)
    Boot0001 Boot Menu
    Boot0002 Recovery
    Boot0003* SATA HDD: 030a2500d23878bc820f604d8316c068ee79d25b91af625956449f41a7b91f4f892ab0f600
    Boot0004* USB CD: 030a2400d23878bc820f604d8316c068ee79d25b86701296aa5a7848b66cd49dd3ba6a55
    Boot0005* USB FDD: 030a2400d23878bc820f604d8316c068ee79d25b6ff015a28830b543a8b8641009461e49
    Boot0006* USB HDD: 030a2400d23878bc820f604d8316c068ee79d25b33e821aaaf33bc4789bd419f88c50803
    Boot0007* NETWORK: 030a2400d23878bc820f604d8316c068ee79d25b78a84aaf2b2afc4ea79cf5cc8f3d3803
    Boot0008* ubuntu HD(1,800,32000,b1b37db2-7123-4943-b847-bb0fe880bd71)File(\EFI\ubuntu\shimx64.efi)

    The record "Boot0000" is the one that is most likely different and probably the one that is magically linked to the [F2] button when starting the laptop. I hope that I can restore its original function a become able to get into the BIOS again.

    Thanks for saving my life.
     
    SplashDamage, Mar 11, 2015
    #1