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My Z210 Workstation will not boot from a USB thumb drive. I know the drive is properly formatted and bootable, because I've booted another PC from it. I have the following relevant BIOS settings:

 

  • Removeable Media Boot: Enable
  • EFI Boot Order:
  •   USB Hard Drive
  •   USB Floppy/CD
  •   ATAPI CD-ROM Drive
  •   Other
  • Legacy Boot Order:
  •   USB Floppy/CD
  •   Hard Drive
  •   ATAPI CD-ROM Drive
  • Lock Legacy Resources: Disable
  • All USB Ports are enabled

When I boot up with the USB thumb drive in a USB port (and I've tried all of them), none of the USB choices (either EFI or Legacy) show up in the boot menu; however if I enter BIOS setup the device is there, so it is being detected. Any ideas?

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