Dell Inspiron 1720 (Mid 2007) - Manual (Page 65)

Using Multimedia
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When you finish connecting the video and audio cables between your
computer and your TV, you must enable your computer to work with the TV.
See "Enabling the Display Settings for a TV" on page 78 to ensure that the
computer recognizes and works properly with the TV. Additionally, if you are
using S/PDIF digital audio, see "Enabling S/PDIF Digital Audio" on page 78.
S-Video and Standard Audio
1 audio connector 2 S-video TV-out connector
1 standard S-video cable 2 standard audio cable
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