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Microprocessor/Heat Sink Assembly
Figure 23. Microprocessor/Heat Sink Removal
CAUTION: The microprocessor SEC cartridge/heat sink assembly can get extremely hot. Be sure that the assembly has had
sufficient time to cool before you touch it.
CAUTION: Use a wrist grounding strap as explained in
NOTE: Dell recommends that only a technically knowledgeable person perform this procedure.
To replace a microprocessor, perform the following steps:
1.
Remove the computer
cover.
2. Locate the microprocessor socket on the system board.
3. Unplug the fan power connector on the system board.
4. Disconnect the fan from the system board.
5. Remove the screws securing the fan to the end of the heat sink assembly and remove the fan.
6. Gently pull out the guide-bracket assembly latch, grasp the existing microprocessor/heat sink assembly firmly, and pull straight up to remove
it from the guide bracket assembly.
You must use up to 15 pounds of force to disengage the microprocessor package from the connector. Do not rock the package while
removing it.
7. Attach the fan to the new microprocessor/heat sink assembly.
8. Slide the new microprocessor package into the guide bracket assembly, with the heat sink toward the front of the computer, and firmly seat
the microprocessor/heat sink assembly.
You must use up to 25 pounds of force to seat the new microprocessor package. Do not rock the package while inserting it into the
connector.
9. Reconnect the fan cable.
10. Replace the computer cover, and reconnect your computer and peripherals to their power sources and turn them on.
1 Ejectors (2)
2 Notches (2)
1 Fan
2 Guide bracket assembly
3 Guide bracket assembly latch
4 Heat sink
"Precautionary
Measures."
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