How to Convert an Old TV Into a Monitor
Transforming an old TV into a computer monitor will extend the life of a set that might otherwise be destined for the junkyard. If the picture quality is still good, a simple cable adapter can be used to convert the video out signal from a computer into a signal that can be processed on a TV. The adapter cable is available at electronics and computer stores and connects in a matter of seconds.
Things You'll Need
- VGA (Video Graphics Array) adapter cable with S-video and RCA video jacks on the other end
- S-video or RCA video cable
- Computer with VGA port
Instructions
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1
Insert one end of the adapter cable into either the jack on an S-video cable or, if the television is more than 10 years old, use the RCA cable to connect with the RCA jack on the adapter, which should be equipped with both types. A link to the necessary adapter is in the References section.
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2
Plug the S-video or RCA cable into the appropriate jack on the back of the television. The S-video plug on the cable must be aligned to connect with the four holes inside the jack on the TV. The RCA plug inserts straight into the jack.
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3
Connect the VGA plug on the other end of the adapter to the "VGA out" port on the back of a computer. Take care to align the 15 pins inside the plug with the 15 holes inside the port by turning the wider end of the plug upward.
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4
Secure the VGA plug by turning the locking screw on each side clockwise.
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5
Power up the computer and the TV, then double-click the "Display" icon on the computer to adjust the settings for best picture quality on the television.
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Tips & Warnings
Use the computer's external speakers for audio. The VGA to RCA or S-video connection supplies picture only. While it is possible to connect the computer's audio output jack to a TV for listening with the TV's built-in speakers, the audio will almost certainly be better on computer speakers than the sound an old TV is capable of producing.
Unplug the TV and computer from their power source while connecting the video cables.