Dell Optiplex 755 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.

Driver Id : 2DWTY

Importance : Recommended

Version : A22, A22 Latest version Recommended version Latest and Recommended version

Release Date : 04 Jan 2013

Download Type : System BIOS

Category : BIOS

This package provides the BIOS Update for Dell OptiPlex 755 running the following Operating Systems: Windows and DOS.

Download Files

File Format: This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.

File Name: O755-A22.exe

File size: 2.14 MB

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

MD5: 7e746a6867482ed56770a7d231363678

SHA1: bfe311bfa2fdd791c490649d9afd44d07707d4c4

SHA-256: e6804b64e39feea524c2875ca6f26858432ae818fd64553c01a8d926771020d0

Download .EXE

Installation instructions

BIOS Update Executable for Windows/DOS

Download

1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

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 Optiplex 755 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to