System board
Description
Spare part number
System board with integrated Intel Core i7-8650U processor and 16 GB of system memory
L31341-601
System board with integrated Intel Core i7-8650U processor and 8 GB of system memory
L31978-601
System board with integrated Intel Core i7-8550U processor and 16 GB of system memory
L33481-601
System board with integrated Intel Core i7-8550U processor and 8 GB of system memory
L31977-601
System board with integrated Intel Core i5-8350U processor and 16 GB of system memory
L31339-601
System board with integrated Intel Core i5-8350U processor and 8 GB of system memory
L31337-601
System board with integrated Intel Core i5-8250U processor and 16 GB of system memory
L31335-601
System board with integrated Intel Core i5-8250U processor and 8 GB of system memory
L31333-601
System board with integrated Intel Core i3-8130U processor and 8 GB of system memory
L31331-601
USB bracket (includes AL foil)
L31356-001
IMPORTANT:
Make special note of each screw size and location during removal and replacement.
Before removing the system board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the following components:
a.
Display panel (see
b.
Battery (see
c.
Solid-state drive (see
d.
WWAN module (see
WWAN module (select products only) on page 41
e.
Camera connector bracket (see
Camera connector bracket on page 44
f.
IR camera (see
g.
HD camera (see
Front-facing HD camera on page 46
h.
Microphone board (see
i.
Rear-facing camera (see
j.
IR LED module (see
Remove the system board:
1.
Disconnect the following cables from the system board:
(1) Fingerprint reader cable
(2) Speaker cable
Component replacement procedures
51