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 requiredAUTO INSTALLEDThis file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
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 provides the Dell System BIOS update and is supported on Dell Latitude 5280/5288/5480/5488/5580 and Precision 3520 for Windows Operating Systems.
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Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes: - Fixed WLAN Intel 8265 data transmission issue. - Fixed NVMe SED (AHCI mode) booting issue when DELL DDP|E Pre-Boot Authentication is activated. - Fixed Dell Thunderbolt dock (TB16) missing issue with 180W power adapter. - Fixed integrity chaining enforcement for Intel Boot Guard. - Resolved video flicker issue for Linux OSes with Intel Skylake CPU. - Resolved USB headset audio issue with Dell Thunderbolt dock. (TB16)
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
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.
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.
Note : 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.
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting and usage guide.