No Display From Dell Universal Dock UD22 To External Monitor After Resuming From Hibernate And Shutdown Mode
Summary: No display from Dell Universal Dock UD22 to external monitor after system resuming from Hibernate and shutdown mode
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Symptoms
The Dell Universal Dock UD22 fails to display an image using DisplayPort (DP) to specific external MST monitors. This issue occurs when the monitor is connected to port 1 and the monitor is configured with MST. When configured this way, the symptom appears after the computer resumes from Hibernate (S4) and shutdown (S5) mode.
Cause
The Dell Universal Dock UD22 does not support MST enabled monitors.
Resolution
Do Not Replace Any Hardware.
This is expected behavior. Guide the user to disable MST in the Onscreen Display (OSD) of the monitor (Figure 1).
This is expected behavior. Guide the user to disable MST in the Onscreen Display (OSD) of the monitor (Figure 1).
Figure 1 – Disabling MST in the monitor on screen display menu.
Affected Products
Dell Universal Dock UD22Article Properties
Article Number: 000199952
Article Type: Solution
Last Modified: 17 Apr 2025
Version: 4
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