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Connect a projector device to your computer. This is usually done by plugging a VGA or DVI cable into the video port on your computer. Choose Start→Control Panel and click the Connect to a Projector link in the Hardware and Sound settings. A blue panel appears with a variety of display settings.How do you connect a projector to a TV?
Connect the dual plug from the Home Theater cable to the back of the TV. Connect the single plug end of the Home Theater cable to the audio connection that's on the projector. Connect the projector to a power source by plugging in the power cord to the socket on the projector.What to look for when buying a projector?
Without sufficient light output, a projector will not be able to display a bright image. If light output is too low an image will look muddy and soft, even in a dark room. The best way to determine if a projector outputs enough light to produce bright images, check the ANSI Lumens rating.