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 2421/3421/5421 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 Vostro 2421/3421/5421 System BIOS A02
Recommended

Find the best download for your system

Please enter your product details to view the latest driver information for your system

Search support

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Bios A02 update items,
1.Modify correct PPID for SMBIOS table
2.Update new NV VBIOS for GT730.
Read More

Version

A02, A02

Release date

08 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: OAK14A02.EXE
File Size: 7.54 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:
58c8f2952c7b5c72ce9b0bf5ebba0f96
SHA1:
7f62924e6f337d7121255478856af3269a70d442
SHA-256:
2bcf5f5eb72e2fe20a815ec8803626838946881d66e018ef77c30c0a676a9559

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

Additional details

Show All | Hide All
Dell Inspiron 5421

Need help with BIOS issues?

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

Drivers help and tutorials