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If the external monitor/ projector is not automatically detected and displaying an image, you will need to use a function key to enable or activate the function. Laptop manufacturers have different methods to activate an external monitor. Refer to the laptop's user guide/manual or the manufacturer for instructions to activate the video port for the external devices. If the display is showing then follow the instructions below to set the display settings on the secondary monitor(s).

Display properties settings: 

1. Right-click an empty area on your desktop, and then click Screen Resolution.
2. Click the Multiple Displays drop-down list, and then select Extend These Displays or Duplicate These Displays.

If you cannot see the additional monitor(s) listed, click Detect. If it does not work, try restarting your computer and repeat steps 1 and 2.

Options for settings

1. Duplicate these displays: This setting will duplicate your laptop screen image on both monitors based on the monitor with the lower resolution.
2. Extend these displays: This setting allows you to move a window from one monitor to the other by clicking the title bar of the window and dragging the window to a new location.
3. Show desktop only on 1: This setting is typically chosen when your laptop is used as a desktop computer so you can enjoy the higher resolution of a large external monitor.

Note: Click Identify Monitors to see which monitor is number 1 and which is number 2; then drag the monitor icons to reorder their positions to match the physical setup you have chosen.