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 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.
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Inspiron_5378_7378_5578_7579_7779_1.21.1.exe | 6.24 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_5378_7378_5578_7579_7779_1.21.1.exe
File Size: 6.24 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:
ab306095c8d011431a4eb519b8126323
SHA1:
05760f71ffb7d2cc8079253ce5467a9f34d4c626
SHA-256:
48db7b90430e414cee2e1f55398c6106ac6689093dbcfe2ae2e7c6495e7ca92d

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

Fixes & Enhancements

- Enhanced the performance of the system.
- Enhanced the user experience.
Read More

Version

1.21.1, 1.21.1

Release date

16 Oct 2017

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
1.20.003 Aug 2017
1.9.029 Jun 2017
1.6.106 Mar 2017
1.5.103 Feb 2017
1.3.027 Oct 2016
1.2.022 Sept 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 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.

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 and usage guide.

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