Driver Details

Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell Precision 5520 system BIOS

This package provides the Dell system BIOS update and is supported on Dell Precision 5520 that runs 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. The packages fixes a potential issue with binary image measurement using the Linux UEFI shim boot loader. For more information regarding fixes and enhancements View full driver details.

Fixes & Enhancements

Fixes:
1. Fixed a potential issue with binary image measurement using the Linux UEFI shim boot loader.

Enhancements:
1. Added BIOS Password Feature: Master Password Lockout.
2. Enhanced the system stability when resume from sleep with HDD password pre-configured.

Version

Version 1.12.1, 1.12.1

Category

BIOS

Release date

23 Oct 2018

Last Updated

23 Oct 2018

Importance

Available formats

File Format:Non-Packaged
File Name:Precision_5520_1.12.1.exe
Download Type:HTTP
File Size: 9 MB
Format Description:This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
1e15269200ff3ab80fe7f587c7e0ec4a
SHA1:
302f98f5f6158bba58b2188dca628946dabbfe25
SHA-256:
12ee244d0f1cc2777af1145101dd5d8c4579b0ad0de9ed5f770f9a2a501356d6

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

Version
1.16.0,1.16.0 07 Aug 20196:27:36 AM
1.15.0,1.15.0 27 Jun 20191:37:34 AM
1.14.3,1.14.3 28 May 20196:23:10 AM
1.13.0,1.13.0 25 Feb 20193:05:00 AM
1.11.0,1.11.0 25 Sep 20185:54:01 AM
1.10.1,1.10.1 13 Jul 201812:58:35 PM
1.9.4,1.9.4 26 Apr 20188:36:38 AM
1.7.1,1.7.1 27 Feb 20184:39:17 PM
1.6.2,1.6.2 23 Jan 20182:06:31 AM
1.5.0,1.5.0 15 Sep 20172:48:44 AM
1.4.0,1.4.0 01 Sep 201710:15:06 AM
1.3.4,1.3.4 30 Jun 20172:43:11 AM
1.3.3,1.3.3 12 May 20173:49:44 PM
Applies to
Precision 5520 System BIOS
Installation instructions
Download file to Desktop
The file Precision_5520_X.Y.Z.exe is using the Universal (Windows/DOS) format and is designed to be directly executed from Windows environment.
1. Click Download now. The File Download window appears.
2. Click the Save button. The Save As window appears.
3. Select Desktop using the drop-down menu to the right of Save in.
4. Click the Save button. A progress meter moves as the download is completed.
5. If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

Note: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system for loading the new BIOS.
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Run the BIOS update utility from Windows environment
1. Double click the Icon on your desktop labeled Precision_5520_X.Y.Z.exe and the Dell BIOS Flash window appears.
2. Click the Continue button. A message that states Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot appears.
3. Click the OK button. The system will restart to complete the update process.

Run the BIOS update utility from DOS environment (Non-Windows users)
Note: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.
1. Copy the file Precision_5520_X.Y.Z.exe to a bootable USB key.
2. Boot from the USB key to the DOS prompt.
3. Run the file by typing A:\ Precision_5520_X.Y.Z.exe (where A is the drive letter where the executable is located).
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Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.