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 7520 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.
Dell Inspiron 7520 System BIOS
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

Enhance Graphics contoller.
Read More

Version

A04, A04

Release date

23 Jun 2020

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: Inspiron7520_Win_A04.exe
File Size: 4.25 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:
3de6f7586e578f0dd9f9ad29729457f7
SHA1:
a9686d5efc96df2ceb5188fcdd2944c8bf7b7759
SHA-256:
1f1fb2b8c4a7a5382b6bf0f65bbffb211286583814620e0b8fd3528feae19621

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

Additional details

Show All | Hide All
1. System will reboot twice and all settings in BIOS Setup Menu will be restored to default while upgrading this BIOS before A01.
2. BIOS UI will be updated for Win8 and UEFI boot with this BIOS upgrade.
3. Please enter BIOS Setup Menu and Load Optimal Default manually after updating BIOS.
4. If SATA setting in the BIOS set to "AHCI" and after flash BIOS, it become "Intel Smart Response Technology", please manual change it back to "AHCI".
Dell Inspiron 7520

Need help with BIOS issues?

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

Drivers help and tutorials