Dell Inspiron 23 (2350, Mid 2013) - Manual (Page 52)

Replacing the 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 Align the screw holes on the fan with the screw holes on the computer
base.
2 Replace the screws that secure the fan to the computer base.
3 Adhere the Mylar over the heat sink and fan.
4 Connect the fan cable to the system board.
Post-requisites
1 Replace the computer base .
2 Replace the base cover .
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