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 5378/5578/7378/7579/7779 System 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. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
To view all drivers for your Inspiron 13 5378 2-in-1, go to Drivers and downloads.
Recommended
Loading the latest available version of the driver...

This is the latest Dell validated version of this driver

This is not the latest Dell validated version of this driver

SLK-1.2.0.exe | 6.14 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: SLK-1.2.0.exe
File Size: 6.14 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:
70dcd6af878828b7e1ecb1e0c367a455
SHA1:
5bb90819967ec3e387fdba60a8b31170d6ddbe4e
SHA-256:
b3d6c744edb1981af9101b54cd63d526f8f53b7d55353b443bda200ff59395e2

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

Fixes & Enhancements

- Improved the security of the System Management mode (SMM).
Read More

Version

1.2.0, 1.2.0

Release date

22 Sept 2016

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.

Additional details

Show All | Hide All
1.36.017 Jan 2022
1.35.009 Nov 2021
1.34.024 Sept 2021
1.33.030 Jul 2021
1.32.107 May 2021
1.32.018 Feb 2021
1.31.021 Sept 2020
1.30.103 Jul 2020
1.29.012 May 2020
1.28.004 Jul 2019
1.27.013 Mar 2019
1.26.014 Aug 2018
1.25.014 Jun 2018
1.24.018 May 2018
1.23.309 May 2018
1.21.116 Oct 2017
1.20.003 Aug 2017
1.9.029 Jun 2017
1.6.106 Mar 2017
1.5.103 Feb 2017
1.3.027 Oct 2016
BIOS Recovery 2
Inspiron Starlord series System BIOS
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. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off 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
4. 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.

Updating the BIOS from DOS (Non-Windows users)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.

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:\ Inspiron_5378_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Inspiron_5378_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 DOS with UEFI boot mode enabled (Non-Windows users, Load Legacy Option Disabled)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Installation
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.

Drivers help and tutorials