Service manual

A Tour of Your Computer: Dell Inspiron 4150
Fan — The computer uses an internal fan to create airflow through the vents, which prevents the computer
from overheating.
Serial Connector
Connects serial devices, such as a mouse or handheld device.
Parallel Connector
Connects a parallel device, such as a printer. You can also connect the
optional floppy drive directly to the parallel connector using the optional
floppy drive cable.
Docking Connector
HINT: Docking devices may not be available in some
countries.
Connects the optional docking device. A docking device allows you to easily
use external devices with your computer, such as an external keyboard,
mouse, and monitor.
See the documentation that came with your docking device for additional
information.
PS/2 Connector
HINT: You can use the integrated keyboard and an external keyboard at the same time. When you
attach a PS/2 keyboard or PS/2 numeric keypad, the integrated keypad is disabled.
Connects PS/2-compatible devices, such as a mouse, keyboard, or external
numeric keypad.
Shut down the computer before attaching or removing a PS/2-compatible
device. If the device does not work, install the device drivers from the floppy
disk or CD that came with the device, and restart the computer.
USB Connector
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