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 contains the Dell system BIOS update for Dell Precision 5820 Tower and Precision 5820 Tower X-Series systems that run the Windows 10 operating system. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This update addresses the security advisories INTEL-SA-00185 and INTEL-SA-00191.
To view all drivers for your Precision 5820 Tower, go to Drivers and downloads.
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5820T_1.10.4.exe | 16.93 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: 5820T_1.10.4.exe
File Size: 16.93 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:
10de7420aa474619a784f5f9192b4f00
SHA1:
0f5f5d7b76906b8508470e3d7fff562b58ddb4a6
SHA-256:
818b90f977cd761a63b86e63a8b3279bdbeed2ccdd0eb1662a30697bdfbcf6eb

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

Fixes:
- Firmware updates to address security advisory INTEL-SA-00185 (CVE-2018-12188 CVE-2018-12190 CVE-2018-12191 CVE-2018-12192 CVE-2018-12199 CVE-2018-12198 CVE-2018-12200 CVE-2018-12187 CVE-2018-12196 CVE-2018-12185)
- Firmware updates to address security advisories INTEL-SA-00191(CVE-2018-12201, CVE-2018- 12202, CVE-2018-12203)
- Firmware updates to address security advisories INTEL-SA-00191(CVE-2018-12204)
- Fixed an issue with Secure Boot Option ROM Signature Verification.

Enhancements:
- Enhanced the BIOS to detect a new fan that is connected to the hard drive and change the fan control settings automatically. BIOS can also detect a fan that does not work.
- Disabled the feature where removal of the intrusion cable connector bypasses the intrusion mechanism.
- Enables WSMT security enhancement for Windows 10 Creators Update.
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Version

1.10.4, 1.10.4

Release date

19 Mar 2019

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.

Additional details

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2.36.010 May 2024
2.35.008 Apr 2024
2.34.002 Feb 2024
2.31.008 Aug 2023
2.30.021 Jun 2023
2.29.130 May 2023
2.27.011 Apr 2023
2.26.014 Mar 2023
2.25.009 Jan 2023
2.24.013 Dec 2022
2.19.123 May 2022
2.16.112 Apr 2022
2.14.012 Jan 2022
2.13.128 Dec 2021
2.12.115 Nov 2021
2.10.030 Aug 2021
2.8.001 Jul 2021
2.4.001 Jul 2021
2.5.001 Jul 2021
2.0.220 Jan 2020
1.13.021 Oct 2019
1.12.102 Oct 2019
1.11.103 Jun 2019
1.10.607 May 2019
1.9.211 Feb 2019
1.8.330 Oct 2018
1.8.205 Oct 2018
1.7.114 Aug 2018
1.6.211 Jul 2018
1.5.626 Jun 2018
1.4.020 Mar 2018
1.3.221 Feb 2018
Dell Precision 5820XLT BIOS
Dell Precision T5820 BIOS
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.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Run the BIOS update utility from Windows environment.

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 and 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.

Need help with BIOS issues?

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

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