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64 Installing System Components
Installing the Cooling Shroud
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
Align and press the cooling shroud down on the system board.
See Figure 3-7.
2
Replace the system-board assembly. See "Installing a System-Board
Assembly" on page 62.
3
Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
Heat Sinks
Removing the Heat Sink
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet.
2
Remove the system-board assembly. See "Removing a System-Board
Assembly" on page 61.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 63.
WARNING: The heat sink may be hot to touch for some time after the system
has been powered down. Allow the heat sink to cool before removing it.
CAUTION: Never remove the heat sink from a processor unless you intend
to remove the processor. The heat sink is necessary to maintain proper
thermal conditions.
book.book Page 64 Thursday, March 4, 2010 4:38 PM