3. Disconnect the USB cable (3) and the power connector cable (4) from the USB/power connector
board.
4.
Remove the USB/power connector board.
Reverse this procedure to install the USB/power connector board.
System board
NOTE: All system board spare part kits include a modem cable and replacment thermal material.
Description Spare part number
For use only in computer models with Intel processors:
●
Equipped with discrete graphics subsystem memory (includes 128 MB of discrete graphics
subsystem memory)
446476-001
●
In full-featured models equipped with UMA graphics subsystem memory
446477-001
●
In defeatured models equipped with UMA graphics subsystem memory
453769–001
For use only in computer models with AMD processors:
●
In full-featured models equipped with discrete graphics subsystem memory
449902-001
●
In full-featured models equipped with UMA graphics subsystem memory 449903-001
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 46).
5.
Remove the following components:
82 Chapter 4 Removal and replacement procedures
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