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 Latitude 5280/5288/5480/5488/5580 and Precision 3520 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 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

- Updated the alert message that is displayed when Dell Thunderbolt Dock WD19TB is connected to systems with Non-Thunderbolt port.
- Added BIOS option to bypass the Dock warning messages.
Read More

Version

1.16.0, 1.16.0

Release date

22 Oct 2019

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: Latitude_5X80_Precision_3520_1.16.0.exe
File Size: 18.98 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:
1e28074ecdb5863df309ad9feadaeae1
SHA1:
11c075e2e9512f24719e8dd70bf9932a12d9d809
SHA-256:
94e6d73ff7b3344ec05f4bd3e42eb21a8dfb78018e7fc19e0364c73b6d84ab09

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

Additional details

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Latitude 5280/5480/5580, Precision 3520
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the file.
4. Click Yes to open the BIOS update utility.
5. Click Update to initiate the update process. A progress bar is displayed.
6. Click Restart to restart the system once the progress bar reaches 100%.
The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. After BIOS update finishes, system will auto reboot to take effect.

Updating the BIOS from the 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 it 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.

Download and Installation
1. Click Download File, to download the file.
2. Copy the downloaded file to a USB flash device. It does not need to be bootable.
3. Insert the USB flash device into any USB port.
4. Power on the system.
5. At the DELL logo screen, press F12 to access the one-time boot menu.
6. Select BIOS Flash Update in the Other Options section.
7. Click the "..." button to browse the USB flash device to locate the downloaded file.
8. Select the file and click Ok.
9. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
10. Click Begin Flash Update.
11. Reviewing the Warning message and click Yes to proceed with the update.
12. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
13. The system restarts once 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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