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.

Latitude 3330 System BIOS

Restart required
This package provides the BIOS update for Dell Latitude 3330 and is supported on running the following Operating Systems: Windows and DOS.
To view all drivers for your Latitude 3330 (End of Life), go to Drivers and downloads.
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3330_A02.exe

File Format: CPG BIOS Executable for Windows/DOS
File Name: 3330_A02.exe
File Size: 8.27 MB
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:
9cef2aac28b7270b5720e1978a11ddc7
SHA1:
861fe262d6138481e9687530996437e0e44c4dd0
SHA-256:
f754cbab69f6ba1f0a8379498c9bc5a62894d42aabe4d088047baeadac896168

Fixes & Enhancements

1. Fix BIOS flash error in Win8.1.
2. FIx "Error Recording Power Events."
3. Update Intel LOM PXE.
4. Enable Ediag DIMM isolation feature.
Read More

Version

A02, A02

Release date

23 Sep 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.

Additional details

Show All | Hide All
A1321 Aug 2018
A1030 Mar 2018
A0629 May 2015
A0517 Jun 2014
A0411 Feb 2014
A0325 Oct 2013
A0116 Jul 2013
Dell Latitude 3330
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)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option"
3. Change UEFI to Legacy of Boot List Option
4. Click "Apply", "Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to General > Boot Sequence > Boot List Option"
9. Change "Legacy to UEFI Boot Option.
10. Click "Apply", "Exit" to save changes and reboot system.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

Reboot will be required

Need help with BIOS issues?

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

Drivers help and tutorials