External Video Issues in Ubuntu on Certain Dell Pro Max Premium Systems
Summary: Information about video issues when using the left side USB Type-C (Thunderbolt) ports with docking stations and Ubuntu.
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Symptoms
You encounter external video issues (no video, video loss, and so forth) when using the following Dell Pro Max Premium systems and the left side USB Type-C ports with docking stations.
Dell Pro Max 14 Premium MA14250
Dell Pro Max 16 Premium MA16250
Affected Platforms:
- Dell Pro Max 14 Premium MA14250
- Dell Pro Max 16 Premium MA16250
Affected Operating Systems:
- Ubuntu
Cause
This issue is caused by the NVIDIA video driver.
Resolution
Video Driver Update
NVIDIA will release a driver to fix this issue, but there is no current ETA.
As a workaround to avoid external video issues, change the BIOS Graphic Mode setting to Hybrid mode until the NVIDIA video driver is released.
Affected Products
Dell Pro Max 14 Premium MA14250, Dell Pro Max 16 Premium MA16250Article Properties
Article Number: 000388681
Article Type: Solution
Last Modified: 07 Nov 2025
Version: 1
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