Dell Inspiron 14 (3443, Early 2015) - Manual (Page 69)

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.
Post-requisites
1 Replace the system board .
2 Replace the palm rest .
3 Replace the hard drive .
4 Replace the wireless card .
5 Replace the memory module(s) .
6 Replace the base cover .
7 Replace the keyboard .
8 Replace the optical drive .
9 Replace the battery .
69