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 Precision 5820 Tower, Precision 5820 Tower X-Series BIOS

Restart required AUTO 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 provides the Dell System BIOS update and is supported on Precision 5820 Tower, Precision 5820 Tower X-Series for first BIOS release.
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Fixes & Enhancements

Fix:
1.Update Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644) & INTEL-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616)
2. Fixed a potential system hang issue when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS pre-boot password) prompt.
3.Fixed the TPM configuration on a TPM startup error during S3 resume.

Enhancement:
1.Added BIOS Password Feature: Master Password Lockout.
Read More

Version

1.7.1, 1.7.1

Release date

14 Aug 2018

Download Type

System BIOS

Category

BIOS

Importance

Critical
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.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: 5820T_1.7.1.exe
File Size: 16.61 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:
10978dce4052ca20d493888b6614ca77
SHA1:
b469d4409b4b38f530a44569bf5ea7ff0125fe8a
SHA-256:
2e3ae4c707d0a166b403be9e05acfc4c81549ac877a229b65905f8bde3271123

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

Additional details

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Dell Precision T5820 BIOS
BIOS Update Executable for Windows/OS independent
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
Perform the BIOS update from the BIOS Boot Menu, independent of operating system.
1. Copy the downloaded file to a USB flash device. It does not need to be bootable
2. Insert the USB flash device 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 on the "..." button to browse the USB flash device to locate the downloaded file
7. Select the file and click "Ok"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected
9. Click "Begin Flash Update"
10. Reviewing the Warning message and click "Yes" to proceed with the update
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update
is being performed
12. The system will restart once again when the Flash update is complete
Note 1: 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.

Need help with BIOS issues?

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

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