Dell Inspiron 15 (7548, Late 2014) - Manual (Page 38)

Replacing the Processor Fan
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.
Procedure
1 Connect the processor-fan cable to the system board and adhere the
mylar tape.
2 Align the screw holes on the processor fan with the screw holes on the
system board.
3 Replace the screws that secure the processor fan to the system board.
4 Route the display cable and connect it to the system board.
Post-requisites
1 Replace the battery .
2 Replace the base cover .
38