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 7520/7720 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 provides the Dell System BIOS update and is supported on Dell Precision 7520/7720 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes:
- Fixed system can't boot up to thunderbolt HDD drive on legacy mode.

Enhancements:
- Updated Intel Processor Micro code.
- Updated TI Power Delivery firmware.
- Updated Absolute BIOS Persistence module.
Read More

Version

1.6.0, 1.6.0

Release date

07 Jul 2017

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: Precision_7x20_1.6.0.exe
File Size: 9.84 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:
ce534f322478bf7e3575f51389fb134d
SHA1:
6868af4bbbec23d83b66ae4487c9694b4684cf4c
SHA-256:
9c143b38eafd7c21504a16f896cdc16704020758ce8cb3604845767f8deebd85
File Format: External release notes
File Name: Precision_7x20_1.6.0.txt
File Size: 4.59 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:
5d3535978d1cd85e8bda1825a293f87e
SHA1:
592b5a73e16b143afbe631c948c356fdaa766514
SHA-256:
930897bd9862fe20a15c7caf9bcd3400dbe59f4fe88ab7f60e3f48d08175b7ad

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

Additional details

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Precision 7520 system BIOS
Precision 7720 system BIOS
BIOS Update Executable for Windows

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 guide

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