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Heat-Sink Fans 75
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Processor Heat-Sink 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.
WARNING: The heat sink may be very hot during normal operation. Ensure that it
has had sufficient time to cool before you touch it.
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).
Removing the Processor Heat-Sink Fan
1
Follow the instructions in "Before You Begin" on page 11.
2
Remove the back cover. See "Removing the Back Cover" on page 19.
3
Remove the rear-stand assembly. See "Removing the Rear-Stand Assembly"
on page 35.
4
Remove the VESA mount. See "Removing the VESA Mount" on page 37.
5
Remove the rear I/O cover. See "Removing the Rear I/O Cover" on page 39.
6
Remove the side I/O cover. See "Removing the Side I/O Cover" on page 41.
7
Remove the system-board shield. See "Removing the System-Board
Shield" on page 53.
8
Disconnect the processor heat-sink fan cable from the connector (CPU
FAN) on the system board.
9
Remove the three screws that secure the processor heat-sink fan to the
chassis.
book.book Page 75 Thursday, May 3, 2012 1:21 PM