Filter
Top Products
System board
Description Spare part number
For use only in computer models with Intel processors:
Equipped with microphones 448596-001
Not equipped with microphones 448598-001
For use only in computer models with AMD processors:
Full featured models 453411-001
Defeatured models 453412-001
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:
●
RTC battery (see
RTC battery on page 54)
●
Memory modules (see
Memory module on page 55)
●
WLAN module (see
WLAN module on page 50)
●
Modem module (see
Modem module on page 77)
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 battery (see
Battery on page 46).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 47)
b.
Optical drive (see
Optical drive on page 57)
c.
Keyboard (see
Keyboard on page 59)
d.
Switch cover (see
Switch cover on page 62)
e.
Display assembly (see
Display assembly on page 64)
f.
Top cover (see
Top cover on page 70)
g.
Wireless switch board (see
Wireless switch board on page 75)
h.
Audio board (see
Audio board on page 78)
i.
Bluetooth module (see
Bluetooth module on page 79)
j.
USB board (see
USB board on page 80)
Component replacement procedures 85