Thermal Cooling Assembly 89
20
Thermal Cooling 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 dell.com/regulatory_compliance.
WARNING: If you remove the thermal cooling assembly from the computer when
the heat sink is hot,
do not touch
the metal housing of the thermal cooling
assembly.
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 15) before working inside the computer.
Removing the Thermal Cooling Assembly
1
Follow the instructions in "Before You Begin" on page 9.
2
Remove the system board (see "Removing the System Board" on page 77).
3
Turn the system board over and keep it on a clean surface.
4
In sequential order (indicated on the thermal cooling assembly), loosen
the seven captive screws that secure the thermal cooling assembly to the
system board.
5
Lift the thermal cooling assembly off the system board.
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