Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

ThinOS10 2602 BIOS package v1.1.54 for OptiPlex 5400 AIO

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 2602 BIOS package for OptiPlex 5400 AIO device. The package is intended for customers who want to install the BIOS package.
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Fixes & Enhancements

- Updated the BIOS package version to 1.1.54 for OptiPlex 5400 AIO device.
Read More

Version

1.1.54, 2602

Release date

20 Mar 2026

Download Type

System BIOS

Category

BIOS

Importance

Recommended
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.
Available formats View Important Information
File Format: Firmware Images
File Name: bios-OptiPlex5400AIO_1.1.54_T10.pkg
File Size: 20.29 MB
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:
29b63c2ecf2f151841165109777d1d19
SHA1:
a5fcaf6ebdf14c7834563c69fb8d6ad4306e19d1
SHA-256:
945a4a4435829b2fab350d9966ea2582c553b23f7f73e1436a0e54f9219a18ec

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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

For more information, see the Dell ThinOS 10 2602 Release Notes at www.dell.com/support.
Install the application package using Wyse Management Suite

Prerequisites
- Create a group in Wyse Management Suite with a group token.
- The thin client must be registered to Wyse Management Suite.
- Ensure you have downloaded the application package.

Installing BIOS package by using Wyse Management Suite:

1. Log in to Wyse Management Suite.
2. Go to the Groups & Configs page and select your preferred group.
3. From the Edit Policies drop-down menu, click ThinOS 10.x. The Configuration Control | ThinOS window is displayed.
4. In the left pane, click Advanced.
5. From the Advanced menu, expand Firmware, and click BIOS Firmware Updates.
6. Click Browse and select the BIOS package to upload.
7. From the Select the ThinOS BIOS to deploy drop-down menu, select the uploaded BIOS package.
8. Click Save & Publish. The thin client downloads the BIOS package and upgrades.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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