21.
Remove the display hinges
(2)
. The left and right display hinges are available using spare part
number 639476-001.
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 (HM65 includes WWAN and RTC battery) for use in all countries and regions except
for Russia and China
641733-001
System board (HM65 includes WWAN and RTC battery) for use in Russia and China
650161-001
System board (HM65 includes RTC battery) for use in all countries and regions except for Russia
and China
643216–001
System board (HM65 includes RTC battery) for use in Russia and China
650163-001
System board (QM67 includes RTC battery) for use in all countries and regions except for Russia
and China
641734–001
System board (QM67 includes RTC battery) for use in Russia and China
650162-001
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.
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Chapter 4 Removal and replacement procedures