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 Latitude 3390 2-in-1 System BIOS
Restart required 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 for Dell Latitude 3390 2-in-1 system that runs the Windows 10 operating system. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This update enables Turbo Boost feature on Intel(R) Core i3-8130U processor and fixes display persistence error with WD15.
Recommended
Check compatibility
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.
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot. Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
Fixes:
- This update enables Turbo Boost feature on Intel(R) Core i3-8130U processor.
- Fixes display persistence error with WD15.
Enhancements:
- N/A
Read More- This update enables Turbo Boost feature on Intel(R) Core i3-8130U processor.
- Fixes display persistence error with WD15.
Enhancements:
- N/A
Version
1.7.0, 1.7.0
Release date
02 Nov 2018
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell 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: Latitude_3390_1.7.0.exe
File Size: 6.72 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:
68e6d50c46ee71a4c15e927049b17bb6
SHA1:
043e00d7a46175b53b88bed2c29f8c2d487e6872
SHA-256:
4163121c6a92ef4cc5edabe5e596582fae39595ac125069215b69f825f41003c
File Format: External release notes
File Name: Latitude_3390_1.7.0_External.txt
File Size: 4.92 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.
MD5:
4ac7c19acacb3a6d00f1ecf101e19bcc
SHA1:
c566529c98b0bb7febcc3b0772a1581164060b7a
SHA-256:
a05b0f6034cd5ed865265d1b6b968786d37e213450141853ad2b3018889c9aa2
By downloading, you accept the terms of the Dell Software License Agreement.
Applies to
Latitude 3390 2IN1 BIOS
Installation instructions
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. Press Yes to confirm the BIOS version you want to update and start BIOS Update process.
3. After BIOS update finishes, press Yes and then system will shut down. Power on the system for the update to take effect.
4. If you are only updating BIOS, after the BIOS update finishes, press Yes and then system will restart automatically for the update to take effect.
Note 1: Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step.
Note 2: Do not turn off power or interrupt BIOS update process during the update.
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. Press Yes to confirm the BIOS version you want to update and start BIOS Update process.
3. After BIOS update finishes, press Yes and then system will shut down. Power on the system for the update to take effect.
4. If you are only updating BIOS, after the BIOS update finishes, press Yes and then system will restart automatically for the update to take effect.
Note 1: Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step.
Note 2: Do not turn off power or interrupt BIOS update process during the update.
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting guideDrivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.