HP Chromebox G2 Maintenance and Service Guide - Page 40

Heat sink, Remove the heat sink

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Heat sink The heat sink is installed on the bottom of the system board. Description Heat sink (includes replacement thermal material) Spare part number L17261-001 Before removing the heat sink, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the computer. 3. Disconnect all external devices from the computer. 4. Remove the bottom cover (see Bottom cover on page 17). 5. Remove the rear I/O bracket (see Rear I/O bracket on page 20). 6. Remove the bottom shield (see Bottom shield on page 21). 7. Remove the system board (see System board on page 31). 8. Remove the fan (see Fan on page 33). Remove the heat sink: 1. Position the system board upside-down. 2. In the order shown, remove the four Phillips M2.0×3.0 screws (1)-(4) that secure the heat sink to the system board. 3. Remove the heat sink from the system board (5). 34 Chapter 5 Removal and replacement procedures

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Heat sink
The heat sink is installed on the bottom of the system board.
Description
Spare part number
Heat sink (includes replacement thermal material)
L17261-001
Before removing the heat sink, follow these steps:
1.
Turn
off
the computer. If you are unsure whether the computer is
off
or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by
first
unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
Bottom cover
on page
17
).
5.
Remove the rear I/O bracket (see
Rear I/O bracket
on page
20
).
6.
Remove the bottom shield (see
Bottom shield
on page
21
).
7.
Remove the system board (see
System board
on page
31
).
8.
Remove the fan (see
Fan
on page
33
).
Remove the heat sink:
1.
Position the system board upside-down.
2.
In the order shown, remove the four Phillips M2.0×3.0 screws
(1)-(4)
that secure the heat sink to the
system board.
3.
Remove the heat sink from the system board
(5)
.
34
Chapter 5
Removal and replacement procedures