HP Pavilion 14-al100 Maintenance and Service Guide - Page 57

Steps 1 and 2 apply to computer models equipped with a graphics subsystem with discrete memory.

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Description For use only on computer models equipped with a graphics subsystem with discrete memory For use only on computer models equipped with a graphics subsystem with UMA memory Spare part number 855840-001 855841-001 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 bottom cover (see Bottom cover on page 32), and then remove the following components: a. Battery (see Battery on page 34) b. WLAN module (see WLAN module on page 38) c. Solid-state drive (see Solid-state drive on page 43) d. Fan (see Fan on page 44) e. System board (see System board on page 45) Remove the heat sink: NOTE: Steps 1 and 2 apply to computer models equipped with a graphics subsystem with discrete memory. See steps 3 and 4 for heat sink removal instructions for computer models equipped with a graphics subsystem with UMA memory. 1. Remove the six Phillips PM2.0×6.2 screws (1) that secure the heat sink to the system board. Component replacement procedures 49

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Description
Spare part number
For use only on computer models equipped with a graphics subsystem with discrete memory
855840-001
For use only on computer models equipped with a graphics subsystem with UMA memory
855841-001
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 bottom cover (see
Bottom cover
on page
32
), and then remove the following components:
a.
Battery (see
Battery
on page
34
)
b.
WLAN module (see
WLAN module
on page
38
)
c.
Solid-state drive (see
Solid-state drive
on page
43
)
d.
Fan (see
Fan
on page
44
)
e.
System board (see
System board
on page
45
)
Remove the heat sink:
NOTE:
Steps 1 and 2 apply to computer models equipped with a graphics subsystem with discrete memory.
See steps 3 and 4 for heat sink removal instructions for computer models equipped with a graphics subsystem
with UMA memory.
1.
Remove the six Phillips PM2.0×6.2 screws
(1)
that secure the heat sink to the system board.
Component replacement procedures
49