Dell Inspiron 17 (5749, Early 2015) - Manual (Page 72)

Replacing the Heat-Sink
Assembly
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 . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can cause damage to
the system board and processor.
Procedure
1 Align the screw holes on the heat-sink assembly with the screw holes on
the system board.
2 In sequential order (indicated on the heat sink), tighten the captive screws
that secure the heat-sink assembly to the system board.
3 Connect the fan cable to the system board.
4 Turn the system board over.
Post-requisites
1 Follow the procedures from step 2 to step 10 in replacing the system
board .
2 Replace the optical-drive connector board .
3 Replace the battery-connector board .
4 Replace the palm rest .
5 Replace the keyboard .
6 Follow the procedures from step 3 to step 5 in replacing the hard drive .
7 Follow the procedures from step 4 to step 5 in replacing the optical drive .
8 Replace the memory module .
9 Replace the wireless card .
10 Replace the base cover .
11 Replace the battery .
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