Re-imaging ThinOS on a Latitude 3440, Latitude 5440, and OptiPlex 7410 AIO

Summary: Wyse ThinOS may be reinstalled using a USB drive that is supplied by Dell support.

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Instructions

Affected Platforms:

Latitude 3440
Latitude 5440
OptiPlex 7410 All-in-One

Affected Operating Systems:

Wyse ThinOS

Note: For system board replacement service scenario, the ThinOS Recovery USB Key is dispatched with the replacement system board.

Insert the Thin OS Recovery USB Key into a USB port of the device.
Power on the device, press F2 to enter BIOS setup.
Note: The BIOS admin password is Fireport.
Go to Boot Configuration and check that Secure Boot is Disabled.
Go to Integrated Devices and Enable USB boot support.
Go to Storage, SATA/NVMe Operations and select ACHI/NVMe.
Save the settings and Exit.
When the Thin Client reboots, press F12 to trigger the Boot Menu and select the bootable ThinOS Recovery USB drive and Press Enter.
Select OK at the screen below.
Once the installation is completed, the EULA screen is displayed. Select Click here to accept all EULA's checkbox and click Accept.
Click the next arrow at the Welcome screen.
Press Ctrl + Esc to bypass the Out of Box Experience (OOBE) Setup at the Language Selection screen.
At the ThinOS desktop, select the option Reset the system setting to factory default and Shutdown the device.