Symptoms

Dell U3224KB monitor may have dark spot, dark backlight, or backlighting going out on half of the screen or one corner of the screen. Affected Monitor: Dell U3224KB

Cause

This is due to the firmware issue.

Resolution

Updating the Dell U3224KB Monitor Firmware Update to version M2T107 or later on the computer resolves the issue. To download and install the firmware, refer to the Driver Update Guide.

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