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.

Dell Latitude 3550 System BIOS

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 provides the Dell System BIOS update and is supported on Dell Latitude 3550 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes
- Updated EC firmware to fix TouchPad still can be used after SUT imitate closed the LID.

Enhancements
- Added Microsoft Windows 10 Operating System support.
- Added Dell Support Assist feature support.
- Updated Dell ePSA ROM.
Read More

Version

A07, A07

Release date

01 Oct 2015

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: 3550A07.exe
File Size: 8.47 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
0fd01f20c4cedd14fc299da12189a2bb
SHA1:
83c867cc6c7ec3031cec4ad3e9a449b0f6fdddd5
SHA-256:
f5ca402b49eea883625729f3453e0dc2c6367befeb6b9392e7cf770213129910

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

Additional details

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Dell Latitude 3550
Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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