Dell Inspiron 15-N5040 Owner's Manual - Page 36

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13. Remove the two screws that secure the system board to the computer base.
 
14. Lift the system board at an angle and release the connectors on the system board from the slots on the computer base.
NOTE:
Based on the selection you made at the time of purchase of your computer, the dimensions of the system board and the location of the system
board components may vary.
1
screws (2)
2
system board
 Replacing the System Board
 
1. Follow the instructions in
Before You
 
2. Slide the connectors on the system board into the slots on the computer base.
 
3. Replace the two screws that secure the system board to the computer base.
 
4. Connect the speakers cable, USB-board cable, microphone cable, and AC-adapter cable to the connectors on the system board.
 
5. Replace the Mini-Card. See
 
6. Replace the processor. See
 
7. Replace the thermal cooling assembly. See
 
8. Follow the instructions from
 
9. Follow the instructions from
 
10. Replace the optical drive. See
 
11. Replace the memory module. See
 
12. Replace the keyboard. See
 
13. Replace the battery. See
Replacing the
 
14. Replace any removed cards or blanks in the 3-in-1 media card reader.
 
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.
 
15. Turn on the computer.
NOTE:
After you have replaced the system board, enter the computer Service Tag into the BIOS of the replacement system board.
 
Begin.
Replacing the
Mini-Card.
Replacing the Processor
Module.
Replacing the Thermal Cooling
step 3
to
step 4
in
Replacing the Hard
step 3
to
step 7
in
Replacing the Palm-Rest
Replacing the Optical
Drive.
Replacing the Memory
Module(s).
Replacing the
Keyboard.
Battery.
Assembly.
Drive.
Assembly.