Here you can learn which settings you have to make on the Dell WYSE ZXoD (aka 7010) to be able to start the device with a UD pocket.

  1. Boot up the Dell device.
  2. In the BIOS go to the Advanced tab.
  3. Enable Boot From USB.
  4. Change to the Boot tab.
  5. Change the boot priority to make USB HDD the default by moving it to the top.
  6. Save the settings
  7. Put in the UD Pocket

See this video: