Dell Studio 1558 (Early 2010) - Manual (Page 216)

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Connecting Your Computer to a TV and Adjusting Display Settings
• DisplayPort™
• Digital Video Interface (DVI) or High Definition Multimedia Interface
(HDMI)
In addition, possible audio connections to support the video connections vary
from standard analog RCA jacks to S/PDIF digital audio and multi-channel
digital audio through optical cable.
All of these video and audio connection options vary for each computer and
TV. Examine the back and sides of both your computer and your TV to
determine what options are available.
S-video
Composite video
Component video
DVI digital video
HDMI video/audio
DVI/HDMI converter