Dell Precision 5540 Service Manual - Page 34

Installing the System Board, Audio board, Removing Audio board

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Installing the System Board 1. Align the system board on the computer. 2. Replace the M2x4 (4) screws that secure the system board to the palm-rest assembly. 3. Connect the power-adapter port cable, speaker cable, keyboard-control board cable, touchpad cable, and touch-screen cable to the system board. 4. Connect the display cable to the system board. 5. Align the display-cable bracket with the screw hole on the system board and replace the screw (2). 6. Install the: a. Memory b. SSD c. Keyboard d. Heatsink assembly e. Fans f. Hard drive(optional) g. WLAN card h. Battery i. Base cover 7. Follow the procedures in After Working Inside Your Computer. Audio board Removing Audio board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover 34 Disassembly and reassembly

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Installing the System Board
1.
Align the system board on the computer.
2.
Replace the M2x4 (4) screws that secure the system board to the palm-rest assembly.
3.
Connect the power-adapter port cable, speaker cable, keyboard-control board cable, touchpad cable, and touch-screen cable to the
system board.
4.
Connect the display cable to the system board.
5.
Align the display-cable bracket with the screw hole on the system board and replace the screw (2).
6.
Install the:
a.
Memory
b.
SSD
c.
Keyboard
d.
Heatsink assembly
e.
Fans
f.
Hard drive(optional)
g.
WLAN card
h.
Battery
i.
Base cover
7.
Follow the procedures in
After Working Inside Your Computer
.
Audio board
Removing Audio board
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a.
base cover
34
Disassembly and reassembly