ThinOS 2205 (9.3.1129) Merlin Image file for Dell Wyse 3040 Thin Client

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This package contains the ThinOS 2205 (9.3.1129) Merlin Image file for Dell Wyse 3040 Thin Client. This image is intended for customers who want to install the ThinOS 2205 (9.3.1129) Merlin Image.
To view all drivers for your Wyse 3040 Thin Client, go to Drivers and downloads.
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File Size: 896.74 MB
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Fixes & Enhancements

ThinOS enhancements:

- Added ThinOS Activation licenses in Wyse Management Suite.
- Supports Latitude 3420.
- Added support for MJPEG format in Camera.
- Added the wireless IP address information in the Wi-Fi icon tooltips.
- Updated the peripherals list description in the Devices tab.
- Added support for ELO ET2202L-2UWA-0-BL-G touch screen monitor.
- Added Wyse Management Suite server drop-down list in ThinOS Central Configuration client menu.
- Updated the Wyse Management Suite ThinOS 9.x Policy/Admin Policy Tool.
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2205 (9.3.1129), 2205 (9.3.1129)

Release date

29 May 2022

Download Type

Operating Systems


Operating System


Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

Additional details

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- Do not power off your thin client until the installation is complete.

- If you install the Merlin image on a thin client which has a disk size larger than 8 GB, installation is blocked at the 100% process page and does not go to the Complete page. You can force reboot the thin client as the Merlin image is already installed.

- You cannot boot into ThinOS 2205 (9.3.1129) or later versions when you perform the following operations:
Disable the onboard Network Interface Card (NIC)

For more information, see Important notes section in the latest Dell Wyse ThinOS Version 2205 Release Notes at
9.1.610828 Feb 2022
9.1.506713 Dec 2021
9.1.423425 Oct 2021
9.1.312907 Sep 2021
9.1.210114 Apr 2021
9.1.113108 Jan 2021
9.0.402409 Nov 2020
Use the Dell Wyse USB Imaging Tool version 3.5 to install the ThinOS Merlin Image on your thin client. For information about installation instructions, see the Dell Wyse USB Imaging Tool version 3.5 User's Guide available on the supported hardware product pages at

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