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 Inspiron 5570/5770 KBL System BIOS

Restart required
This package contains the Dell system BIOS update for Dell Inspiron 5570 and 5770 systems that run Windows and DOS operating systems. 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.

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) and INTEL-SA-00191(CVE-2018-12201, CVE-2018- 12202, CVE-2018-12203).
- Fixed an issue with Secure Boot Option ROM Signature Verification.
- Fixed the issue where the SATA SSD Data wipe function fails with SATA AHCI mode.
- Fixed the issue where an Event ID 17 warning message is displayed in Windows Event Viewer when DW1820 wireless card is installed on the system.

Enhancements:
- N/A
Read More

Version

1.2.1, 1.2.1

Release date

14 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.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_5570_5770_121.exe
File Size: 6.81 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:
02e1f1c6716999f92e244b3ba7b4cf72
SHA1:
cb08593a655577cb14a1bc6fde70519aa7a2cd09
SHA-256:
fa5ac6a1db72523d5e35d0bf390f92c3667c55cb2c407dce1e7d00eb715e96a1

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

Additional details

Show All | Hide All
1.10.010 Aug 2022
1.9.025 Apr 2022
1.8.012 Jan 2022
1.7.009 Nov 2021
1.6.004 Oct 2021
1.5.029 Jul 2021
1.4.109 Feb 2021
1.3.119 Oct 2020
1.2.516 Apr 2020
1.2.324 Jul 2019
1.2.202 May 2019
1.1.922 Oct 2018
1.1.829 Aug 2018
1.1.602 Jul 2018
1.1.525 May 2018
1.1.321 Feb 2018
1.1.101 Feb 2018
1.0.610 Nov 2017
1.0.517 Oct 2017
Dell Inspiron 5570/5770
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.

Run the BIOS update utility from DOS environment (Non-Windows users)

Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ Precision_5530_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Precision_5530_X.Y.Z.exe is the name of the downloaded file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option Disabled)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing the F2 key.
3. Go to General > Boot Sequence > Boot > Boot List Option.
4. Change UEFI to Legacy of Boot List Option.
5. Go to Exit > Save Changes and reboot system.
6. Press F12 and then select USB Storage Device and boot to the DOS prompt.
7. Run the file by typing the file name.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
8. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
9. Change Legacy to UEFI Boot Option.
10. Go to Exit > Save Changes and reboot the system.

Need help with BIOS issues?

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

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