Dell Inspiron 1428 (Late 2009) - Manual (Page 39)

Processor Fan and Heat Sink Assembly 39
11
Processor Fan and Heat Sink
Assembly
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
WARNING: If you remove the processor fan and heat sink assembly from the
computer when the heat sink is hot, do not touch the metal housing of the heat
sink.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).
CAUTION: Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell™ is not covered
by your warranty.
CAUTION: To help prevent damage to the system board, remove the main battery
(see "Removing the Battery" on page 13) before working inside the computer.
Removing the Processor Fan and Heat Sink
Assembly
1 Follow the procedures in "Before You Begin" on page 9.
2 Remove the battery (see "Removing the Battery" on page 13).
3 Remove the base cover (see "Removing the Base Cover" on page 33).
4 Disconnect processor fan cable from the system board connector.
5 Remove the three screws that secure the processor fan to the system board.