Specifications

Before removing the system board, follow these steps:
1. Shut down the computer.
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 34), and then remove the following components:
a. Service door (see
Service door on page 35)
b. Hard drive (see
Hard drive on page 36)
c. Optical drive (see
Optical drive on page 39)
d. WLAN module (see
WLAN module on page 43)
e. Keyboard (see
Keyboard on page 46)
f. Top cover (see
Top cover on page 49)
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:
●
Memory module (see
Memory module on page 41
●
RTC battery (see
RTC battery on page 42
●
Fan/heat sink assembly (see
Fan/heat sink assembly on page 59)
●
Processor (see
Processor on page 64)
Component replacement procedures 57