USB board
Description
Spare part number
USB board
L09553-001
USB board cable (included in Cable Kit)
L09534-001
Before removing the USB 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.
Bottom cover (see
)
b.
Battery (see
c.
Hard drive (see
)
d.
Solid-state drive (see
e.
WWAN module (see
)
f.
Keyboard (see
)
g.
Internal frame (see
Remove the USB board:
1.
Position the computer upright and open as far as possible.
Component replacement procedures
61