How to Connect a Computer to a CRT TV

Written by james clark
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How to Connect a Computer to a CRT TV
A VGA cable connects to the computer's video port. (connection cocnept - cables studio isolated image by dinostock from

A CRT (cathode ray tube) television typically uses an S-video or RCA-type composite socket to receive video signals. Computers are usually equipped with a 15-hole video port to output video signals to an external monitor. Adaptors available at computer and electronics stores make it possible to connect a computer video cable with an S-video or RCA composite video cable. The opposite ends of the cables can then be hooked up to their respective components for viewing computer video on TV.

Skill level:
Moderately Easy

Things you need

  • S-video cable
  • VGA to S-video adaptor
  • VGA cable

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  1. 1

    Connect the S-video cable from the matching input jack on the back of the TV to the jack on the adaptor. Turn the plug on each end of the notch on the edge so it lines up with the slot on the jack.

  2. 2

    Plug in the VGA cable to the matching jack on the adaptor and the VGA jack on the computer, typically on the back of the tower (central processing unit).

  3. 3

    Tighten the VGA plugs to the connections by turning the small screws on the plugs clockwise.

Tips and warnings

  • Turn off the computer and the TV while connecting the cables to prevent a power surge from damaging the CRT screen.

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