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 BMW Z5 BIOS A00 X20

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.
BMW Z5 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

1. Based on X20 to turn A-rev
2. Fix: UEFI class 2, keyboard and touchpad will not function after system S3/S4 resume.
Read More

Version

X20, A00

Release date

24 Oct 2012

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

File Format: CPG BIOS Executable for Windows/DOS
File Name: 5523A00.EXE
File Size: 7.24 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:
32e7b657f4cc7752a5a23e97f0fd9595
SHA1:
db534e6594965b7978bf79a0f3654ad004242f12
SHA-256:
345d64b278fa4f07737f2f65446b3306bc136e1fa4ccce4e0445b65868dd545d

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

Additional details

Show All | Hide All
Dell Inspiron 5523
5523A00.exe

Reboot will be required

Need help with BIOS issues?

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

Drivers help and tutorials