HP Mini 210-2100 Maintenance And Service Manual page 74

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
b. Service access cover (see
c. Hard drive (see
d. Keyboard (see
e. Display assembly (see
5. Disconnect the WWAN antenna cables from the WWAN module (see
(select models only) on page
6. Disconnect the WLAN antenna cables from the WLAN module (see
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
● WWAN module (see
●
WLAN module (see
●
Memory module (see
●
RTC battery (see
● Fan/heat sink assembly (see
64 Chapter 4 Removal and replacement procedures
Battery on page
Service access cover on page
Hard drive on page
Keyboard on page
Display assembly on page
42).
SIM on page 35)
WWAN and GPS modules (select models only) on page
WLAN module on page
Memory module on page
RTC battery on page
Fan/heat sink assembly on page
33).
39).
48).
57).
44)
46)
47)
36).
WWAN and GPS modules
WLAN module on page
42)
61)
44).