HP Pro 3420 PC Maintenance & Service Guide - Page 66

Heat Sink (Thermal Module

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Heat Sink (Thermal Module) Description Heat sink (thermal module) Spare part number 665468-001 The heat sink is located at the top of the computer. It is mostly covered by the system board cover. It is secured with four captive screws near the processor and one non-captive screw on the opposite side near the fan. Figure 7-28 Heat sink location To remove the heat sink: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). 2. Remove the rear cover (see Rear Cover on page 34). 3. Remove the system board cover (see System Board Cover on page 49). 4. In the order indicated, loosen the four captive Torx screws (1) - (4) that secure the heat sink to the system board. 5. Remove the non-captive Torx screw from the top of the heat sink (5). 58 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis

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Heat Sink (Thermal Module)
Description
Spare part number
Heat sink (thermal module)
665468-001
The heat sink is located at the top of the computer. It is mostly covered by the system board cover. It
is secured with four captive screws near the processor and one non-captive screw on the opposite
side near the fan.
Figure 7-28
Heat sink location
To remove the heat sink:
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
33
).
2.
Remove the rear cover (see
Rear Cover
on page
34
).
3.
Remove the system board cover (see
System Board Cover
on page
49
).
4.
In the order indicated, loosen the four captive Torx screws
(1) – (4)
that secure the heat sink to
the system board.
5.
Remove the non-captive Torx screw from the top of the heat sink
(5)
.
58
Chapter 7
Removal and Replacement Procedures All-in One (AIO) Chassis