Dell Inspiron 14z (1470, Mid 2009) - Manual (Page 69)

Thermal Fan 69
15
Thermal Fan
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 dell.com/regulatory_compliance.
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 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: 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 Thermal Fan
1 Follow the instructions in "Before You Begin" on page 9.
2 Remove the battery. See "Removing the Battery" on page 13.
3 Remove the module cover. See "Removing the Module Cover" on page 15.
4 Remove the optical-drive assembly. "Removing the Optical Drive" on
page 23.
5 Remove the keyboard. See "Removing the Keyboard" on page 31.
6 Remove the palm-rest assembly. See "Removing the Palm-Rest Assembly"
on page 35.
7 Remove the screw that secures the thermal fan to the computer base.
8 Disconnect the thermal-fan cable from the connector on the system board.
9 Lift the thermal fan off the computer base.