HP Pro 3420 PC Maintenance & Service Guide - Page 69

CAUTION, The heat sink must be installed within 24 hours of installing the processor

Page 69 highlights

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. CAUTION: The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor's solder connections. Figure 7-30 Removing the processor To install a processor, reverse the removal procedures. Processor 61

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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.
CAUTION:
The heat sink must be installed within 24 hours of installing the processor to
prevent damage to the processor’s solder connections.
Figure 7-30
Removing the processor
To install a processor, reverse the removal procedures.
Processor
61