6. Secure the unused antenna cables in the protective mylar sleeve.7. Replace the palm rest (see Replacing the Palm Rest).8. Replace the keyboard (see Replacing the Keyboard).9. Replace the memory module(s) (see Replacing the Memory Module(s)).10. Replace the module cover (see Replacing the Module Cover).11. Follow the instructions from step 4 to step 5 in Replacing the Optical Drive.12. Replace the battery (see Replacing the Battery).13. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide.Back to Contents PageWWAN (2 antenna cables)Main WWAN (white triangle)Auxiliary WWAN (black triangle)white with gray stripeblack with gray stripeWLAN (2 antenna cables)Main WLAN (white triangle)Auxiliary WLAN (black triangle)whiteblackCAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so mayresult in damage to the computer.NOTE: If you are installing a wireless Mini-Card from a source other than Dell, you must install the appropriate drivers and utilities. For more genericdriver information, see the Dell Technology Guide.