HP Rp5700 HP rp5700 Business System Service Reference Guide, 1st Edition - Page 119

Processor, Preparation for Disassembly, on Computer Cover, Fan Shroud, Heatsink

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Processor 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer cover (Computer Cover on page 64). 3. Remove the fan shroud (Fan Shroud on page 103). 4. Remove the heatsink (Heatsink on page 108). 5. Rotate the locking lever to its full open position (1). 6. Raise and rotate the microprocessor retainer to its fully open position (2). 7. Carefully lift the processor from the socket (3). 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. The heatsink must be installed within 24 hours of installing the processor to prevent damage to the processor's solder connections. Figure 7-57 Removing the Processor 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 6. 3. If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in the spares kit. CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit. ENWW Processor 109

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Processor
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
61
).
2.
Remove the computer cover (
Computer Cover
on page
64
).
3.
Remove the fan shroud (
Fan Shroud
on page
103
).
4.
Remove the heatsink (
Heatsink
on page
108
).
5.
Rotate the locking lever to its full open position
(1)
.
6.
Raise and rotate the microprocessor retainer to its fully open position
(2)
.
7.
Carefully lift the processor from the socket
(3)
.
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.
The heatsink must be installed within 24 hours of installing the processor to prevent damage to the
processor’s solder connections.
Figure 7-57
Removing the Processor
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 6.
3.
If reusing the existing heatsink, clean the bottom of the heatsink with the alcohol pad provided in
the spares kit.
CAUTION:
Before reinstalling the heatsink you must clean the top of the processor and the
bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has
evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares
kit.
ENWW
Processor
109