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 5420 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 provides the BIOS Update on Dell Inspiron 5420 running the following Operating Systems: Windows and DOS.
Recommended

Find the best download for your system

Please enter your product details to view the latest driver information for your system

Search support

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

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

Fixes & Enhancements

Fixes
- Not Applicable
Enhancements
- Maintain release
Read More

Version

A19, A19

Release date

15 Oct 2013

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.
Available formats View Important Information

File Format: CPG BIOS Executable for Windows/DOS
File Name: 5420_A19.exe
File Size: 5.52 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:
6d9ee911c57db2dd1d083071d889fdb7
SHA1:
1fa9676c9533030941047671e1743990a26930ef
SHA-256:
faef8e21dffe96c3767c2198f9308ca612c87927bed8bd5cf050c40e4a0f957f

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

Additional details

Show All | Hide All
Follow the instructions after running the Setup.exe.
See the Installation Instructions category for additional details
Dell Inspiron 5420
Dell Update Package Instructions
Download
1. Click Download Now to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before
proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.

Reboot will be required

Need help with BIOS issues?

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

Drivers help and tutorials