Dell Vostro 2521 System BIOS

Restart required

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.

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Driver Id : 49W54

Importance : Recommended

Version : A09 Latest version Recommended version Latest and Recommended version

Release Date : 15 Aug 2013

Download Type : System BIOS

Category : BIOS

Dell Vostro 2521 System BIOS

Download Files

File Format: 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.

File Name: 2521A09.exe

File size: 4.48 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: dea8e7c16ee3ccdc505bac096304888e

SHA1: 217aff17f0a6dd2b1435faa0002ee91d666f921a

SHA-256: ea79fa1db5fb41c6d7fc0b16d0e921f701dee90bd3503b09bb203529f283c7bd

Download .EXE

Installation instructions

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing copied file name where the executable is located.

Reboot will be required

Dell Vostro 2521 System BIOS

Download Files

Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to