HP Chromebook 14-q000 Maintenance and Service Guide - Page 60

Heat sink, following components

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3. Remove the system board (2). Reverse this procedure to install the system board. Heat sink Description Heat sink (includes replacement thermal material) Spare part number 740146-001 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 unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the keyboard/top cover (see Keyboard/top cover on page 23), and then remove the following components: a. Speakers (see Speakers on page 26) b. Battery (see Battery on page 28) c. WLAN module (see WLAN module on page 32) 54 Chapter 4 Removal and replacement procedures preliminary requirements

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3.
Remove the system board
(2)
.
Reverse this procedure to install the system board.
Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material)
740146-001
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 unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the keyboard/top cover (see
Keyboard/top cover
on page
23
), and then remove the
following components:
a.
Speakers (see
Speakers
on page
26
)
b.
Battery (see
Battery
on page
28
)
c.
WLAN module (see
WLAN module
on page
32
)
54
Chapter 4
Removal and replacement procedures preliminary requirements