Symptoms
Symptom
No Video when Dell UltraSharp 34" (U3419W) monitor is connected to Latitude 3400 or 3500 system with a USB Type-C cable. Follow the guidelines below to identify and resolve this issue.
Affected systems
Dell Latitude 3400Dell Latitude 3500Dell UltraSharp 34" U3419W
Cause
Dell UltraSharp 34" (U3419W) Monitor no video
Resolution
Solution
A new firmware update M3B107 has been released to correct the No Video issue.
Important Note: The monitor firmware update takes approximately 12 minutes. Do not run Dell Display Manager software during firmware updating. Interruptions during the update process such as disconnecting or turning off the monitor or PC will damage your monitor. Read the Firmware Update Instructions/Readme found in the Firmware package before updating your monitor.
Browse to the Dell Drivers & Downloads page:
Dell Ultrasharp 34" Monitor driver page
Select the Operating System.
Under Category, select All.
Locate the latest Firmware Update Package (version M3B107 or newer) for U3419W monitor.
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 setup file and follow the on-screen instructions to complete the installation process.