One of the nice features of Microsoft Windows XP is that it will allow a computer to connect to multiple video output sources if the internal video card supports this configuration. A very large percentage of laptops are designed with this capability in mind and include an external video output to supplement the built-in LCD screen. Most laptops that do not feature an HDMI connector have an analogue VGA connector which can connect to the VGA RGB input of a projector.
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Things you need
- VGA cable
Connect the VGA cable to the output port on the laptop and to the input port on the projector by inserting the cable into the ports. Power on both devices.
Right-click an empty area of the Windows XP desktop. Click "Properties."
Click the "Settings" tab at the top.
Click the second monitor output labelled "2."
Click the "Enable This Screen" check box and click the "OK" button.