Dell Inspiron 1428 (Late 2009) - Manual (Page 38)

38 Wireless Mini-Card
7 Replace the base cover (see "Replacing the Base Cover" on page 34).
8 Replace the battery (see "Replacing the Battery" on page 14).
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
9 Install the drivers and utilities for your computer, as required. For more
information, see the Dell Technology Guide.
NOTE: If you are installing a communication card from a source other than Dell,
you must install the appropriate drivers and utilities. For more generic driver
information, see the Dell Technology Guide.
Connectors on the Mini-Card Antenna Cable Color Scheme
WLAN (2 antenna cables)
Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
white
black