Dell Inspiron N4020 Service Manual page 33

Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
6. Secure the unused antenna cables in the protective mylar sleeve.
7. Replace the keyboard (see
8. Replace the memory module(s) (see
9. Replace the module cover (see
10. Follow the instructions from
11. Follow the instructions from
12. Replace the battery (see
CAUTION:
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 Mini-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.
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Replacing the Keyboard).
Replacing the Memory
Replacing the Module
step 3 to step 4 in Replacing the Optical
step 4 to step 5 in Replacing the Hard
Replacing the Battery).
Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
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Module(s)).
Cover).
Drive.
Drive.