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 Vostro 2420 System BIOS,A05

Restart required 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.
Vostro 14 MLK,BIOS,2420
Recommended

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Fixes & Enhancements

1.update Micro code
2.Fix issue, in class 3 , it will hang up system when plug-in un-support Adapter then press F1
Read More

Version

A05, A05

Release date

25 Oct 2012

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: 2420A05.EXE
File Size: 5.98 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:
242db5eb2d7455468b12cea3e1c585c9
SHA1:
87831882f992eab414d521300d4ae0e83713495c
SHA-256:
cbd97d432b2758f6e1a9d7523eb85fce3197f0f2854ca6c4dbda124c146c05d5

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

Additional details

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Dell Vostro 2420
2420A05.exe

Reboot will be required

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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