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 Inspiron 3721 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.
Dell Inspiron 3721 System BIOS
Recommended

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Fixes & Enhancements

BIOS initial release
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Version

A04, A04

Release date

29 Jan 2013

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

File Format: CPG BIOS Executable for Windows/DOS
File Name: 3721A04.exe
File Size: 4.45 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:
136a4d6f2638744ff7b2c814c5c76ab5
SHA1:
2cad83fdfe9ef115c3cda2aa5acfe6d1b6ce89f9
SHA-256:
a7e7c9cbc689c54ce371ecefeec5eca5928b8bba8306e85edd27fbe08f507183

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

Additional details

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execute directly.

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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