Shadow on screen during Dex connection

I connect my Galaxy S22 phone to my asus monitor with a type c cable. There was no problem with the image until recently. However, for about a week, when the dex connection is made, a shadow appears on the left side as seen in the attached screenshot. This shadow disappears when Dex is turned off and the normal phone screen is projected. Is there a solution such as resetting the Dex software or do you have a solution suggestion on the issue?

Sorry, you won’t find help here, you could try samsung Member app.

This forum is for people who develop apps for Samsung’s products not end user questions or issues, .

Good luck.

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