HP Mini 210-2190nr HP Mini 210 - Maintenance and Service Guide - Page 74

defective system board and installed on the replacement system board, When replacing the system board

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Before removing the system board, follow these steps: 1. Shut down 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 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 following components: a. Battery (see Battery on page 33). b. Service access cover (see Service access cover on page 36). c. Hard drive (see Hard drive on page 39). d. Keyboard (see Keyboard on page 48). e. Display assembly (see Display assembly on page 57). 5. Disconnect the WWAN antenna cables from the WWAN module (see WWAN and GPS modules (select models only) on page 42). 6. Disconnect the WLAN antenna cables from the WLAN module (see WLAN module on page 44). When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● SIM (see SIM on page 35) ● WWAN module (see WWAN and GPS modules (select models only) on page 42) ● WLAN module (see WLAN module on page 44) ● Memory module (see Memory module on page 46) ● RTC battery (see RTC battery on page 47) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 61) 64 Chapter 4 Removal and replacement procedures

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Before removing the system board, follow these steps:
1.
Shut down 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 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 following components:
a.
Battery (see
Battery
on page
33
).
b.
Service access cover (see
Service access cover
on page
36
).
c.
Hard drive (see
Hard drive
on page
39
).
d.
Keyboard (see
Keyboard
on page
48
).
e.
Display assembly (see
Display assembly
on page
57
).
5.
Disconnect the WWAN antenna cables from the WWAN module (see
WWAN and GPS modules
(select models only)
on page
42
).
6.
Disconnect the WLAN antenna cables from the WLAN module (see
WLAN module
on page
44
).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
SIM (see
SIM
on page
35
)
●
WWAN module (see
WWAN and GPS modules (select models only)
on page
42
)
●
WLAN module (see
WLAN module
on page
44
)
●
Memory module (see
Memory module
on page
46
)
●
RTC battery (see
RTC battery
on page
47
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
61
)
64
Chapter 4
Removal and replacement procedures