Dell Inspiron 1521 (Mid 2007) - Manual (Page 29)

About Your Computer
29
S - VIDEO T V- OUT CONNECTOR
U S B CONNECTORS
A C ADAPTER CONNECTOR — Attaches an AC adapter to the computer.
The AC adapter converts AC power to the DC power required by the computer.
You can connect the AC adapter with your computer turned on or off.
CAUTION:
The AC adapter works with electrical outlets worldwide. However,
power connectors and power strips vary among countries. Using an incompatible
cable or improperly connecting the cable to the power strip or electrical outlet
may cause fire or equipment damage.
NOTICE:
When you disconnect the AC adapter cable from the computer, grasp the
connector, not the cable itself, and pull firmly, but gently to help prevent damage to
the cable.
Connects your computer to a TV. Also connects digital
audio-capable devices using the TV/digital audio
adapter cable.
Connect USB devices, such as a mouse, keyboard, or
printer.