Dell U3821DW Will Not Wake from Sleep When Using KVM Feature
Summary: The Dell U3821DW monitor does not wake from sleep when using the Keyboard, Video, Mouse (KVM) feature.
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Symptoms
The Dell U3821DW Monitor will not wake from sleep after using a different computer connected to different ports on the monitor.
Cause
Firmware needs to be updated.
Resolution
Updating to firmware version M2B104 or later on the computer resolves the issue. To download and install the driver reference How to Download and Install Dell Drivers.
Affected Products
Dell U3821DWArticle Properties
Article Number: 000192792
Article Type: Solution
Last Modified: 19 Apr 2025
Version: 6
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