Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 42)

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Setting Up the Monitor
To make sure the DPBS function works for the first time, perform the following
steps for Dell Optiplex 7090/3090 Ultra platform in the
Control Panel first.
NOTE: DPBS only supports the port with icon.
• Go to Control Panel .
• Select Hardware and Sound , followed by Power Options .