HP 3115m B2C43UT 11.6 B2C43UT#ABA manual System board, Description Spare part number

4.Remove the TouchPad button board (3) and cable.

Reverse this procedure to install the TouchPad button board and cable.

System board

NOTE: The system board spare part kit includes replacement thermal material.

Description	Spare part number
For use only with computer models equipped with an AMD E450 processor and WWAN capability	659512-001
For use only with computer models equipped with an AMD E450 processor but not	659511-001
WWAN capability
For use only with computer models equipped with an AMD E300 processor and WWAN capability	659510-001
For use only with computer models equipped with an AMD E300 processor but not	659509-001
WWAN capability

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 32).

5.Remove the WLAN module (see WLAN module on page 37).

58 Chapter 4 Removal and replacement procedures