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 Precision 3260 and 3460 System BIOS

Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
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Fixes & Enhancements

Fixes:
- Fixed an issue where the system boot time is extended by 10 minutes. This issue occurs when an Electronic Funds Transfer at Point of Sale (EFTPOS) is connected to the system.
- Fixed an issue where the Intel Serial Over LAN (SOL) window is displayed in the upper left corner of the screen in the BIOS Menu.

Enhancements:
- Added support for Samsung 5600 P Die memory on Dell Precision 3460 systems.
- Added the Internal Port DMA Compatibility Mode option in the BIOS setup on Dell Precision 3460 systems.
- Added the Wi-Fi 6 GHz certification for Mexico on Dell Precision 3460 systems.
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Version

3.4.3, 3.4.3

Release date

05 Jun 2024

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 View Important Information

File Format: CPG BIOS Executable for Windows/DOS
File Name: Precision_3260_3460_3.4.3_SEMB.exe
File Size: 101.21 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:
73e8a63860f6888bb1b14ec63793b465
SHA1:
b3018bc9cb92babfa1b6fe5d70659abfbe136c2e
SHA-256:
be5742ae5e05e95ffa15cd9db9644e40cc10b3c36d7b859f508cf5a95d438dec

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 101.2 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 Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
To ensure the integrity of your download, please verify the checksum value.
MD5:
5a505b103e8236f443f782f7a4a9d582
SHA1:
18cf79113dc42a2eafc9ed9bbb5e3749ca57758f
SHA-256:
96469fce94989ba6735540833db26284e46541135baad79c742c134fd9471c7f

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

Additional details

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- Do not power off the system until the process of updating the BIOS is completed.
- Once the BIOS is upgraded to version 3.2.0 or later, you cannot downgrade the BIOS to earlier versions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
Precision 3260 system BIOS
Precision 3460 System BIOS
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click OK.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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