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66 Installing System Components
Installing 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
Using a clean lint-free cloth, remove the thermal grease from the heat sink.
2
Apply new thermal grease evenly to the center of the top of the new
processor.
CAUTION: Using excess thermal grease can cause grease to contact the
processor shield, which can cause contamination of the processor socket.
3
Place the heat sink on the processor. See Figure 3-8.
4
Using a Phillips screwdriver, tighten the four heat-sink retention screws.
5
Replace the cooling shroud, see "Removing the Cooling Shroud" on
page 63.
6
Replace the system-board assembly. See "Installing a System-Board
Assembly" on page 62.
7
Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
Processor
Removing a Processor
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.
book.book Page 66 Thursday, March 4, 2010 4:38 PM