HP EliteBook 2170p HP EliteBook 2170p Notebook PC Maintenance and Service Guid - Page 85

Heat sink, and then remove the following components

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4. Release the ZIF connector to which the Smart Card reader board cable is connected, and then disconnect the Smart Card reader board cable (2) from the system board. 5. Remove the system board. Reverse this procedure to install the system board. Heat sink Description Heat sink (includes replacement thermal material) Spare part number 693307-001 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 battery (see Battery on page 45), and then remove the following components: a. Service cover (see Service cover on page 47) b. Hard drive (see Hard drive on page 48) c. WLAN module (see WLAN module on page 51) d. WWAN module (see WWAN module on page 53) e. Fan (see Fan on page 57) f. Keyboard (see Keyboard on page 58) Component replacement procedures 77

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4.
Release the ZIF connector to which the Smart Card reader board cable is connected, and then
disconnect the Smart Card reader board cable
(2)
from the system board.
5.
Remove the system board.
Reverse this procedure to install the system board.
Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material)
693307-001
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 battery (see
Battery
on page
45
), and then remove the following components:
a.
Service cover (see
Service cover
on page
47
)
b.
Hard drive (see
Hard drive
on page
48
)
c.
WLAN module (see
WLAN module
on page
51
)
d.
WWAN module (see
WWAN module
on page
53
)
e.
Fan (see
Fan
on page
57
)
f.
Keyboard (see
Keyboard
on page
58
)
Component replacement procedures
77