HP Compaq Businessdc7600, Service & Reference Manual

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6–34 390742-001 Service Reference Guide, dc7600
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis
6.19 Processor
1. Prepare the computer for disassembly ( Section 6.1 ).
2. Remove the computer access panel ( Section 6.5 ).
3. Disconnect the heatsink control cable from the system board and remove the heatsink
( Section 6.18 ).
4. Rotate the locking lever to its full open position
1
.
5. Raise and rotate the microprocessor retainer to its fully open position
2
.
6. Carefully lift the processor from the socket
3
.
Ä
CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling
them could cause irreparable damage. Once pins are damaged it may be necessary to replace the
system board.
Ä
CAUTION: The heatsink must be installed within 24 hours of installing the processor to prevent damage
to the processor’s solder connections.
To install a new processor:
1. Place the processor in its socket and close the retainer.
2. Secure the locking lever.
If reusing the existing heatsink, go to step 3.
If using a new heatsink, go to step 5.
3. If reusing the existing heatsink, apply the thermal grease provided in the spares kit to the top
of the processor.
4. Clean the bottom of the heatsink with the provided alcohol pad and place it atop the
processor.
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and
place it in position atop the processor.