Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
white
black
6.Secure the unused antenna cables in the protective mylar sleeve.
7.Replace the keyboard (see Replacing the Keyboard).
8.Replace the memory module(s) (see Replacing the Memory Module(s)).
9.Replace the module cover (see Replacing the Module Cover).
10.Follow the instructions from step 3 to step 4 in Replacing the Optical Drive.
11.Follow the instructions from step 4 to step 5 in Replacing the Hard Drive.
12.Replace the battery (see Replacing the Battery).
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.
13. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide.
NOTE: If you are installing a wireless
