Dell Inspiron M731R (5735, Late 2013) - Manual (Page 42)

42 | Replacing the System Board
Replacing the System Board
WARNING: Before working inside your computer, read the safety information that
shipped with your computer and follow the steps in "Before Working Inside Your
Computer" on page 9. After working inside your computer, follow the instructions
in "After Working Inside Your Computer" on page 11. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You must enter
the Service Tag in the system setup after you replace the system board.
Procedure
1 Replace the heat sink. See "Replacing the Heat Sink" on page 47.
2 Replace the fan. See "Replacing the Fan" on page 45.
3 Connect the hard-drive interposer board to the system board.
4 Replace screws that secure the hard-drive interposer board to the system board.
5 Turn the system-board assembly over.
6 Insert the system-board ports into the slots on the computer base and align the
screw holes on the system board with the screw holes on the computer base.
7 Replace the screws that secure the system board to the computer base.
8 Adhere the Mylar sleeve to the system board.
9 Connect the display cable to the system board and adhere the tape that secures the
display cable.
10 Slide the I/O-board cable into the I/O-board cable connector and press down on
the connector latch to secure the cable.
11 Connect the power-adapter-port cable and the speaker cable to the
system board.
book.book Page 42 Wednesday, October 2, 2013 3:11 PM