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 provides the Dell System BIOS update and is supported on Dell Inspiron 3668, Dell Inspiron 3268 for Windows Operating Systems.
To view all drivers for your Inspiron 3668, go to Drivers and downloads.
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Inspiron_3668_3268_1.4.0.exe | 6.1 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_3668_3268_1.4.0.exe
File Size: 6.1 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:
d6ed46ffa3ff5c022acf961e837f25a1
SHA1:
308cdf6cbfe8467cc90ca644f6cad2c70a3e21da
SHA-256:
2731e21d6263ca712cfd9ade9021b1c142facac1a5eb44754a9458e9dbd529d8

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

Fixes & Enhancements

Fixes
- None.

Enhancements
- Updated UEFI GOP driver.
- Updated Computrace agent.
Read More

Version

1.4.0, 1.4.0

Release date

20 Oct 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 power off the system until the process of updating(flashing) BIOS has been done.
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
1.3.429 Jun 2017
1.3.229 Jun 2017
1.2.122 Mar 2017
1.0.022 Dec 2016
Dell Inspiron 3268
Dell Inspiron 3668
BIOS Update Executable for Windows

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.

Perform the BIOS update from the BIOS Boot Menu, independent of operating system, if BIOS supported
1. Copy the downloaded file to a USB flash device. It does not need to be bootable.
2. Insert the USB flash device 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 on the "..." button to browse the USB flash device to locate the downloaded file.
7. Select the file and click "Ok"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click "Begin Flash Update"
10. Reviewing the Warning message and click "Yes" to proceed with the update.
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
12. The system will restart once again when the Flash update is complete.
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Note 1: 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.

Need help with BIOS issues?

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

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