Dell UP2715K Monitor - Manual (Page 65)

Setting Up Your Monitor Display  65
(b) For Windows® 7
Connect the external monitor(s) to your laptop or desktop using a DP cable
and follow any of the below setup method.
Method 1: Using keyboard shortcut “Win+P”
1. Press the Windows logo key + P on your keyboard.
2. While holding down the Windows logo key, press P to toggle between
the display selections.
Method 2: Using the “Screen Resolution” menu
1. Right-click on the desktop and click Screen resolution.
2. Click Multiple displays to choose a display selection. If you do not see
the additional monitor listed, click Detect.
„ You may need to restart your system and repeat steps 1 to 2 if the
system does not detect the added monitor.