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    Solved What is this?

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    boot issue uefi
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    • 1
      1337
      last edited by 1337

      I have a server that starts up like this. Exactly what is it?
      Is it a BIOS shell or from some boot ROM on a pci card or is it some recovery shell from an OS partition?
      Microsoft, linux or what?
      Does it have something to do with UEFI?

      efi_shell.png

      1 Reply Last reply Reply Quote 1
      • M
        manxam
        last edited by

        That is the UEFI shell which typically means that the device is configured to boot in UEFI mode and cannot find/load the boot file/partition.

        1 1 Reply Last reply Reply Quote 2
        • 1
          1337 @manxam
          last edited by

          @manxam said in What is this?:

          That is the UEFI shell which typically means that the device is configured to boot in UEFI mode and cannot find/load the boot file/partition.

          So it's the BIOS that gives me this. Does it mean it doesn't find the disk or just doesn't find the partition or it could be both?

          1 Reply Last reply Reply Quote 0
          • WrCombsW
            WrCombs
            last edited by

            @Pete-S said in What is this?:

            @manxam said in What is this?:

            That is the UEFI shell which typically means that the device is configured to boot in UEFI mode and cannot find/load the boot file/partition.

            So it's the BIOS that gives me this. Does it mean it doesn't find the disk or just doesn't find the partition or it could be both?

            I've seen this a few times when There is no boot-able drive/partition..
            I'd say check that the drive is still connected to start,

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            • 1
              1337
              last edited by

              Alright, it looks like the boot drive or controller is dead.

              Thanks!

              1 Reply Last reply Reply Quote 1
              • M
                manxam
                last edited by

                Is this an onboard controller or an external? A typical external RAID controller (and some internal) have a BIOS that loads on POST which may show you whether it's active or not.
                Otherwise, most BIOS post messages display the IRQ info of onboard components during boot so you should technically see a SATA/SAS/RAID controller there.

                I'd suspect the drive or corrupt boot loader first.

                What OS is this?

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