HP Xw8400 HP xw8400 Service and Technical Reference Guide - Page 101

Processor, Removing the processor

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4. Insert and tighten the four CPU heatsink screws. First, tighten all of the screws partially so that the CPU heatsink remains level. Next, fully tighten one pair of diagonally opposite screws (1), and then fully tighten the remaining pair (2). Tighten firmly to a torque setting of 6 in-lb. Figure 4-46 Identifying proper screw removal order 5. Connect the CPU heatsink fan connector to the system board (2) as shown in Figure 1-45. Processor Removing the processor 1. Disconnect power from the system ( Pre-disassembly procedures on page 55). Remove the access panel (Access panel on page 60) and the CPU heatsink (Removing the CPU heatsink on page 88). ENWW Removing and replacing components 91

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4.
Insert and tighten the four CPU heatsink screws. First, tighten all of the screws partially so that the
CPU heatsink remains level. Next, fully tighten one pair of diagonally opposite screws
(1)
, and then
fully tighten the remaining pair
(2)
. Tighten firmly to a torque setting of 6 in-lb.
Figure 4-46
Identifying proper screw removal order
5.
Connect the CPU heatsink fan connector to the system board
(2)
as shown in Figure 1–45.
Processor
Removing the processor
1.
Disconnect power from the system (
Pre-disassembly procedures
on page
55
). Remove the access
panel (
Access panel
on page
60
) and the CPU heatsink (
Removing the CPU heatsink
on page
88
).
ENWW
Removing and replacing components
91