Dell U3224KB Monitor Connected to HD22Q Dock Using HDMI Port Displays Distorted Video

Summary: This article provides information about video issue seen on a Dell U3224KB monitor connected to HD22Q using HDMI port.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Dell U3224KB owners may experience black screen flashes on the screen, followed by distorted video after 0.5 second. The issue occurs when the computer enters display off, modern standby, cold boot, or warm boot.

Distorted video on the Dell U3224KB monitor

Affected Monitor:

  • Dell U3224KB

Affected Dock:

  • Dell Dual Charge Dock HD22Q

Cause

Intel graphic does not support Display Stream Compression (DSC) pass-through, and there is no plan to enable for Multi-Stream Transport (MST) HDMI case.

Resolution

This is a design limitation and there is no plan for a fix.

As a workaround, connect the monitor to a computer's HDMI port or dock's DisplayPort instead.

Affected Products

Dell Dual Charge Dock HD22Q, Dell U3224KB
Article Properties
Article Number: 000227420
Article Type: Solution
Last Modified: 23 Apr 2025
Version:  3
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