Driver Details

Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell Inspiron 7466/7566 System BIOS

This package provides the Dell System BIOS update and is supported on Dell Inspiron 7466 and Inspiron 7566 for Windows and DOS Operating Systems.

Fixes & Enhancements

Fixes:
- Updated the handling of pre-boot authentication information by firmware.
- Updated UEFI variable input validation.
- Updated the handling of 3rd party Option ROM loading.
- Updated SPI flash command configuration settings.
- Updated chipset SPI flash configuration
- Updated Intel ME Firmware to address security advisory INTEL-SA-00086 (CVE-2017-5705 & CVE-2017-5708)
- Update to the latest CPU microcode to address CVE-2017-5715.

Enhancements:
- Not Applicable.

Version

Version 1.2.1, 1.2.1

Category

BIOS

Release date

06 Feb 2018

Last Updated

06 Feb 2018

Importance

Available formats

File Format:Windows/DOS
File Name:Inspiron_7466_7566_1.2.1.exe
Download Type:HTTP
File Size: 6 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:
b1fe7c0a89b846e7117852821a60fa05
SHA1:
7dd552af7a03ade83cc0259b4078eebc735ca883
SHA-256:
a4a44685831a5f71e42ba8be82cc72b90f7806511081e91a8d4f66ec10d25278

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

Applies to
Dell Inspiron 7466/7566
Installation instructions
BIOS Update Executable for Windows/DOS

[Download]
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

[Run the BIOS update utility from Windows environment]
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

[Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)]
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

[Run the BIOS utility from the DOS environment, if UEFI Boot mode with Load Legacy Option disabled (Non-Windows users)]
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 key and go to "Boot > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Go to "Exit > Exit Save Changes" and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. DOS System will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 key and go to "Boot > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit Save Changes" and reboot system.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.
Important Information
1. BIOS cannot be downgraded from current version updated.
x
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.