22.
Remove the latching mechanism from the tabs that hold it in place
(3)
, slide the mechanism until
it clears the tabs
(4)
, and then lift the mechanism from the display
(5)
.
Reverse this procedure to reassemble and install the display assembly.
System board
NOTE:
All system board spare part kits include replacement thermal material.
Description
Spare part number
●
System board for use in models without WWAN
658544-001
●
System board for use in models with WWAN
658545-001
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 41
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door on page 48
).
b.
Hard drive (see
Hard drive on page 53
)
c.
Optical drive (see
Optical drive on page 49
)
Component replacement procedures
89
