Samsung 550EX(N) QSG - Manual (Page 12)

Connections
Connecting a Computer
There are several ways to connect the computer to the monitor. Choose
one from the following options.
Using the D-sub (Analog) connector on the video card.
• Connect the D-sub to the 15-pin, [RGB / COMPONENT / AV IN] port
on the back of your LCD Display and the 15 pin D-sub Port on the
computer.
Using the HDMI (digital) output on the graphics card.
• Connect the [HDMI IN] port on the LCD Display to the HDMI port on
the PC using the HDMI cable.
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