Dell Precision 5540 Service Manual - Page 31

Installing the Heatsink, Power connector port, Removing the DC-in Connector

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NOTE: The Heatsink removal screw may vary depending upon the type of Heatsink installed. a. base cover b. battery 3. Remove the M2x3 (5) screws that secure the heatsink to the system board. NOTE: Ensure to remove the screws in the order (1,2,3,4,5). See the printed image number order on the top of heatsink. 4. Lift the heatsink away from the system board [2]. Installing the Heatsink 1. Align the heatsink with the screw holes on the system board. 2. Replace the M2x3 (5) screws to secure the heatsink to the system board. NOTE: Ensure to replace the screws in the order (1,2,3,4,5). See the printed image number order on the top of heatsink 3. Install the: a. Battery b. Base cover 4. Follow the procedures in After Working Inside Your Computer Power connector port Removing the DC-in Connector 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. base cover b. battery 3. Perform the following steps to remove the I/O board: a. Disconnect the DC-in cable from the connector to the system board [1]. Disassembly and reassembly 31

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NOTE:
The Heatsink removal screw may vary depending upon the type of Heatsink installed.
a.
base cover
b.
battery
3.
Remove the M2x3 (5) screws that secure the heatsink to the system board.
NOTE:
Ensure to remove the screws in the order (1,2,3,4,5). See the printed image number order on the top of
heatsink.
4.
Lift the heatsink away from the system board [2].
Installing the Heatsink
1.
Align the heatsink with the screw holes on the system board.
2.
Replace the M2x3 (5) screws to secure the heatsink to the system board.
NOTE:
Ensure to replace the screws in the order (1,2,3,4,5). See the printed image number order on the top of
heatsink
3.
Install the:
a.
Battery
b.
Base cover
4.
Follow the procedures in
After Working Inside Your Computer
Power connector port
Removing the DC-in Connector
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
a.
base cover
b.
battery
3.
Perform the following steps to remove the I/O board:
a.
Disconnect the DC-in cable from the connector to the system board [1].
Disassembly and reassembly
31