HP Pavilion 14-c000 HP Pavilion 14 Chromebook Maintenance and Service Guide - Page 50

PCH heat sink

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PCH heat sink Description PCH heat sink Spare part number 699248-001 IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. Before removing the PCH heat sink, follow these steps: 1. Shut down the computer. 2. Disconnect all external devices connected to the computer. 3. 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. 4. Remove the battery (see Battery on page 20). 5. Remove the keyboard (see Keyboard on page 24). 6. Remove the top cover (see Top cover on page 27). 7. Remove the hard drive (see Hard drive on page 31). 8. Remove the USB board (see USB board/Audio jack on page 33). 9. Remove the WLAN (see WLAN module on page 34). 10. Remove the system board (see System board on page 37). Remove the PCH heat sink: 1. Turn the system board upside down, with the front toward you. 2. Remove the two Phillips screws (1) and lift off the PCH heat sink (2). Reverse this procedure to install the PCH heat sink onto a replacement system board. 44 Chapter 4 Removal and replacement procedures

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PCH heat sink
Description
Spare part number
PCH heat sink
699248-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the PCH heat sink, follow these steps:
1.
Shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
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.
4.
Remove the battery (see
Battery
on page
20
).
5.
Remove the keyboard (see
Keyboard
on page
24
).
6.
Remove the top cover (see
Top cover
on page
27
).
7.
Remove the hard drive (see
Hard drive
on page
31
).
8.
Remove the USB board (see
USB board/Audio jack
on page
33
).
9.
Remove the WLAN (see
WLAN module
on page
34
).
10.
Remove the system board (see
System board
on page
37
).
Remove the PCH heat sink:
1.
Turn the system board upside down, with the front toward you.
2.
Remove the two Phillips screws
(1)
and lift off the PCH heat sink
(2)
.
Reverse this procedure to install the PCH heat sink onto a replacement system board.
44
Chapter 4
Removal and replacement procedures