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
Not equipped with UMA graphics subsystems and with a camera module
460715-001
Equipped with discrete graphics subsystems and with a camera module
460716-001
On defeatured models
460717-001
For use only in computer models with AMD processors:
Full-featured models without a camera module
453411-001
Defeatured models without a camera module
453412-001
Full-featured models with a camera module
462535-001
Defeatured models with a camera module
462536-001
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 61
)
●
Memory modules (see
Memory module on page 62
)
●
WLAN module (see
WLAN module on page 57
)
●
Modem module (see
Modem module on page 87
)
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 53
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive on page 54
)
b
.
Optical drive (see
Optical drive on page 64
)
c
.
Keyboard (see
Keyboard on page 66
)
d
.
Switch cover (see
Switch cover on page 69
)
e
.
Display assembly (see
Display assembly on page 71
)
Component replacement procedures 95