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 660s and Dell Vostro 270s System BIOS

This package provides the BIOS Update on Dell Inspiron 660s/Vostro 270s running the following Operating Systems: Windows and DOS.

Fixes & Enhancements

Fixes
- Updated to the latest CPU microcode to address CVE-2017-5715.

Enhancements
- Not Applicable.

Version

Version A12, A12

Category

BIOS

Release date

17 Apr 2018

Last Updated

17 Apr 2018

Importance

Available formats

File Format:Windows/DOS
File Name:Inspiron 660s Vostro 270s A12 BIOS.exe
Download Type:HTTP
File Size: 12 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:
2f49e59cae5589bf8267a8867d890202
SHA1:
cef7281e772aca1fe5d8c06225c73da37f98c962
SHA-256:
6e3d6392d769ec8462207e4c6196432c7ff8bbc956d52005ad6897356702a427

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

Applies to
Dell Inspiron 660s/Vostro 270s
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 update utility from 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 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 pressing F2 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
Do NOT power off the system until the process of updating(flashing) BIOS has been done.
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.