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 3668/3268 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 contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
To view all drivers for your Inspiron 3668, go to Drivers and downloads.
Recommended
Loading the latest available version of the driver...

This is the latest Dell validated version of this driver

This is not the latest Dell validated version of this driver

Inspiron_3668_3268_1.3.2.exe | 6 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_3668_3268_1.3.2.exe
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:
12206b9fb6889654b743813a133c817a
SHA1:
8924636339724cb2ae0ab2eb9a9575337531668b
SHA-256:
e83f9a581ba2faa3e9dd51521928cfebd2cbedd0ecda9d0b4bade7f1d2a09bb6

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

Fixes & Enhancements

Fixes:
- Fixed the security issue with Intel Boot Guard code integrity chaining enforcement.
- Fixed the security issue with the Dell SupportAssist Pre-Boot feature.

Enhancements:
- Updated the Intel reference code to version 1.5.0.
- Updated Intel ME Firmware to version 1196.
- Updated the fTPM option in BIOS.
Read More

Version

1.3.2, 1.3.2

Release date

29 Jun 2017

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.

Additional details

Show All | Hide All
Do not turn off the system until the BIOS update process has been completed.
1.18.009 Nov 2021
1.17.130 Aug 2021
1.16.130 Jul 2021
1.15.102 Feb 2021
1.14.119 Oct 2020
1.12.017 May 2019
1.11.115 Mar 2019
1.10.016 Oct 2018
1.9.013 Aug 2018
1.8.012 Jun 2018
1.7.104 May 2018
1.7.018 Feb 2018
1.4.020 Oct 2017
1.3.429 Jun 2017
1.2.122 Mar 2017
1.0.022 Dec 2016
Dell Inspiron 3268
Dell Inspiron 3668
Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.

Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Need help with BIOS issues?

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

Drivers help and tutorials