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.

ThinOS 2308 (9.4.3087) BIOS package v1.29.0 for Latitude 3420

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 2308 (9.4.3087) BIOS package v1.29.0 for Latitude 3420. The package is intended for customers who want to install the BIOS package. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
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Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2023-113, DSA-2023-175, and DSA-2023-174. For more information, see Dell Security Advisories and Notices.


For more information, see https://www.dell.com/support/home/en-sg/drivers/driversdetails?driverid=2gxmy&oscode=wt64a&productcode=latitude-14-3420-laptop
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Version

1.29.0, 1.29.0

Release date

31 Aug 2023

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-Latitude_3420_1.29.0.pkg
File Size: 46.45 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:
d9b791a03d328d143fb448916bcb3dd9
SHA1:
52d4835401276115660dba69a472386a6ba7f457
SHA-256:
42b719d1885d29303dab82a76fdccad3a1ed3cd8754f0d0806727548a6815b45

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.
- Ensure that you have connected the device to the external power source using the power adapter.
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 9.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.

For more information about the application deployment, see the Dell ThinOS 2308, 2306 and 2303 Migration Guide at www.dell.com/support.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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