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 BIOS update for Dell Latitude 5280, 5288, 5480, 5488, 5580 and Precision 3520 systems that run the Windows 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 Intel security advisories INTEL-SA-00191 and INTEL-SA-00185. The security advisory is an official statement when a product is impacted by a security vulnerability and a remedy is available.
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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).
- Fixed the issue where the mouse lags when the Dell TB16 dock is unplugged or plugged in.
- Fixed the issue where the system cannot set hard drive password with Dell Client Configuration Toolkit.
- Fixed the issue where a non-US language keyboard does not work in the Dell Data Protection Encryption environment.
- Fixed the issue where the TPM setting may be unexpectedly enabled after loading the Custom User Settings in BIOS.
- Fixed the issue where the system does not pass POST when the security boot on dual UEFI mode on the Dell Command Configure tool is enabled.
- Fixed an issue with Secure Boot Option ROM Signature Verification.

Enhancements
- Updated the Realtek USB LAN firmware.
- Updated the Intel Video BIOS.
- Updated Intel Graphics Output Protocol driver.
- Updated the Embedded Controller Engine firmware.
- Updated the Thermal Algorithm for enhancing the performance of the system.
- Supports Dell Dock Station WD19.
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Version

1.14.2, 1.14.2

Release date

30 Apr 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.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5X80_Precision_3520_1.14.2.exe
File Size: 19.01 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:
53e5b3441b7f1f21fae81a04c9e1b92a
SHA1:
163799953b40bdc69eab8139634394977c9d0ec6
SHA-256:
0630a577099c0a657b60b45dc6e17fba796ae691d6852c6a4977e91b5fb23b1f
File Format: External release notes
File Name: Latitude_5X80_Precision_3520_1.14.2.txt
File Size: 16.28 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
480530f5577ba015d7e779c2e452c5cf
SHA1:
cb634fbfeccb7479fb79ef479139e4c2dfe59a09
SHA-256:
b8955a2cbd3bbdb66f1bfc30a668cb760c38071d9875f434951a8f996ba52dce

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 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.

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 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 guide

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