Dell XPS 15Z (L511Z, Mid 2011) - Manual (Page 57)

Heat Sink 57
14
Heat Sink
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 heat sink from the computer when the heat sink is
hot, do not touch the metal housing of the heat sink.
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 17) before working inside the computer.
Removing the Heat Sink
1 Follow the instructions in "Before You Begin" on page 9.
2 Remove the base cover (see "Removing the Base Cover" on page 13).
3 Remove the battery (see "Removing the Battery" on page 17).
4 Remove the fan (see "Removing the Fan" on page 55).
5 In sequential order (indicated on the heat sink), loosen the seven captive
screws that secure the heat sink to the system board.
6 Lift the heat sink away from the system board.
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