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 7420 System BIOS

AUTO 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 7420 System BIOS
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Version

A14

Release date

16 Jan 2013

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: 7420_A14.exe
File Size: 5.5 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:
1afdc1ddcd3a6736ea778d318ed000d3
SHA1:
139178418684681b92445d93cdf8988645cb58d9
SHA-256:
9e4729802c4c3154e31ab47e0d3644ca5568f8db42545c2edd26c09662a71ab2

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

Additional details

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Dell Inspiron 7420

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