- 1). Power on your computer in your usual manner. Connect another monitor to your Dell 23-inch monitor.
- 2). Right-click any area of your desktop. Click "Properties." Select "Display Properties" and choose "Settings."
- 3). Select "Display" to find your new monitor listed in this screen. Click the new monitor and select "Extend my Windows Desktop onto this Computer." After you click "OK", your Dell 23-inch monitor will work in unison with your new monitor.
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