Customers have requested that they would like to update the BIOS on an OptiPlex 3070 or 7070 without using an attached monitor. They would like to do this for systems that are managed remotely or are not used with an attached monitor.
Dell has added this functionality into BIOS update version 1.4.4 which was released June 30, 2020.
Updating to BIOS 1.4.4
Browse to the Dell Drivers and downloads page:
Select the Operating System
Under Category, select BIOS
Locate the latest Dell OptiPlex 3070 System BIOS or Dell OptiPlex 7070 System BIOS (Version 1.4.4)
Click Download and save the file to your computer
Open File Explorer and browse to the location where the downloaded file is saved
Double-click the BIOS setup file and follow the on-screen instructions to complete the installation process
Your system will restart as part of the update process
Using the no monitor install with BIOS 1.4.4 installed
This new functionality requires the use of the /novideo
switch when updating the BIOS past 1.4.4:
The command can be used in either:
Command Line (i.e. Command Prompt or PowerShell)
Added while running the update file in the Windows Operating System.
Command-Line Example:
OptiPlex_7070_1.5.0.exe /s /r /novideo