The VGA connection used to be the most common on both desktop and laptop computers it can also be found on many projectors. The image to the right is an example of an HDMI cable. HDMI is has become the standard for all electronic equipment for its high-quality signal and ability to carry both audio and video signals. Most laptop computers support HDMI and it is becoming more prevalent on desktop computers as well, even those without a high-end video card. Nearly all modern televisions and projectors feature HDMI ports. The HDMI connection is currently the most common connection.
Tip: You only need to use one of the following cables. This section contains a picture of the back of an Epson projector and its available connection ports as well as descriptions of each. Once the matching port has been identified (one that is the same on both your input device and output device), you need the appropriate cable to connect them. Another thing to consider is that network projectors can usually stream video presentations over the network, and are usually only suitable for pictures or slides in a PowerPoint or a similar type of presentation.The first step in connecting your computer to a TV or projector is finding an identical port on both machines. You need to run the client software each time you want to connect to the network projector in most cases - especially if devices on the network receive dynamic IP addresses from the router and don’t use static, permanent ones. Network projectors ship with a disc that allows you to install the client software needed to locate and connect to the projector on the local area network. Another common issue with network projectors is a failure to install the software for the device on the computer used for the presentation. While some network projectors are Wi-Fi-capable, using an Ethernet cable to connect the PC and projector to a router usually provides much better results. To use a network projector, you must ensure that the computer with the presentation software or slides connects to the same router as the projector. Network projectors are a little more difficult to configure and use than those that connect to a video-out port.
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