ThinOS 10 2508 Offline USB Installer Package
Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.This package contains the ThinOS 10 2508 Offline USB Installer package. The package is intended for customers who want to install the ThinOS 10 2508 using USB drive.
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Fixes & Enhancements
Fixes:
- Fixed the issue where the Bloomberg keyboard does not work. This issue occurs when you log in to the system after the system is left idle overnight.
- Fixed the issue where the floating bar does not hide automatically during a Citrix session.
- Fixed the issue where an error is displayed after you try to log in to the VMware Horizon Client.
- Fixed the issue where the Captive Portal Detection function does not work with the Google Chrome browser.
Enhancements:
- Added the Dell ThinOS 10 Compatibility Checker tool.
- Added support for 4GB RAM devices.
- Updated the ThinOS icons.
Read More- Fixed the issue where the Bloomberg keyboard does not work. This issue occurs when you log in to the system after the system is left idle overnight.
- Fixed the issue where the floating bar does not hide automatically during a Citrix session.
- Fixed the issue where an error is displayed after you try to log in to the VMware Horizon Client.
- Fixed the issue where the Captive Portal Detection function does not work with the Google Chrome browser.
Enhancements:
- Added the Dell ThinOS 10 Compatibility Checker tool.
- Added support for 4GB RAM devices.
- Updated the ThinOS icons.
Version
2508, 2508
Release date
22 Aug 2025
Download Type
Operating Systems
Category
Operating System
Importance
RecommendedDell 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.
Available formats View Important Information
File Format: Firmware Images
File Name: ThinOS10_2508_0127.iso
File Size: 2.62 GB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
To ensure the integrity of your download, please verify the checksum value.
MD5:
8755f31d30c81ae2fc7335d488085818
SHA1:
a102eb5a813a03caf245e677d78784b2cd148468
SHA-256:
e0d08ff1851bcfa3cec60c29cca75694e84d39fb213c6049a10f08e6bc991def
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
Do not power off your thin client until the installation is complete.
For more information, see the Dell ThinOS 10 2508 Release Notes at www.dell.com/support.
For more information, see the Dell ThinOS 10 2508 Release Notes at www.dell.com/support.
Installation instructions
Install ThinOS 10 2508 from USB drive using Dell OS Recovery Tool
Steps
1. Download Dell OS Recovery Tool at https://www.dell.com/support/home/en-us/drivers/osiso/recoverytool.
2. Run the .exe file on the system to be used to create the USB drive.
The Dell OS Recovery Tool Application installer opens.
3. Click INSTALL.
4. After the installation is complete, open Dell OS Recovery Tool.
5. Select SWITCH TO ADVANCED RECOVERY displayed at the bottom of the tool.
6. In Select an OS image, browse to the ISO file that you downloaded and click NEXT.
7. Select the USB drive that you want to format from the USB drive dropdown.
NOTE: The USB drives which are password protected are not supported for ThinOS 10 ISO image by default. You can change the Partition Style and burn the operating system again.
8. Check the I understand that the selected drive will be re-formatted and existing data will be deleted box.
9. Click BURN OS.
10. Remove the USB drive and connect it to the system that is powered off, on which you plan to install ThinOS 10. After connecting the USB drive, turn on the system.
NOTE: After the USB drive is removed, Dell OS Recovery Tool goes back to the screen that is displayed in Step 5.
11. Press F12 at boot up until you see the Dell logo and preparing one-time boot menu... displayed at the top right corner.
The boot menu opens.
12. In the boot menu, select the USB drive from the UEFI Boot Devices list.
NOTE: If you are unable to select the USB drive, ensure that Enable USB Boot Support option is enabled in BIOS.
13. Enter the BIOS password if prompted. The default password for most Dell thin clients is Fireport.
14. The system continues imaging and reboots automatically once complete.
NOTE: If you see the error to ensure that TPM or PTT is set to ON in BIOS, turn on TPM or PTT in BIOS to continue installation. If you install the Windows operating system on the device, clear TPM or PTT before installing ThinOS 10.
For more information about how to Install ThinOS 10 from USB drive using Dell OS Recovery Tool, see the Dell ThinOS 10 Migration User Guide at www.dell.com/support.
Steps
1. Download Dell OS Recovery Tool at https://www.dell.com/support/home/en-us/drivers/osiso/recoverytool.
2. Run the .exe file on the system to be used to create the USB drive.
The Dell OS Recovery Tool Application installer opens.
3. Click INSTALL.
4. After the installation is complete, open Dell OS Recovery Tool.
5. Select SWITCH TO ADVANCED RECOVERY displayed at the bottom of the tool.
6. In Select an OS image, browse to the ISO file that you downloaded and click NEXT.
7. Select the USB drive that you want to format from the USB drive dropdown.
NOTE: The USB drives which are password protected are not supported for ThinOS 10 ISO image by default. You can change the Partition Style and burn the operating system again.
8. Check the I understand that the selected drive will be re-formatted and existing data will be deleted box.
9. Click BURN OS.
10. Remove the USB drive and connect it to the system that is powered off, on which you plan to install ThinOS 10. After connecting the USB drive, turn on the system.
NOTE: After the USB drive is removed, Dell OS Recovery Tool goes back to the screen that is displayed in Step 5.
11. Press F12 at boot up until you see the Dell logo and preparing one-time boot menu... displayed at the top right corner.
The boot menu opens.
12. In the boot menu, select the USB drive from the UEFI Boot Devices list.
NOTE: If you are unable to select the USB drive, ensure that Enable USB Boot Support option is enabled in BIOS.
13. Enter the BIOS password if prompted. The default password for most Dell thin clients is Fireport.
14. The system continues imaging and reboots automatically once complete.
NOTE: If you see the error to ensure that TPM or PTT is set to ON in BIOS, turn on TPM or PTT in BIOS to continue installation. If you install the Windows operating system on the device, clear TPM or PTT before installing ThinOS 10.
For more information about how to Install ThinOS 10 from USB drive using Dell OS Recovery Tool, see the Dell ThinOS 10 Migration User Guide at www.dell.com/support.
Drivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.