TouchPad
Description Spare part number
TouchPad 844394-001
NOTE: The TouchPad cable is available in the Cable Kit, spare part number 844396-001. The NFC antenna is
available using spare part number 857632-001.
Before removing the TouchPad, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o 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 bottom cover (see Bottom cover on page 28).
5. Remove the battery (see Battery on page 29).
Remove the TouchPad:
1. Disconnect the TouchPad cable (1) and the NFC module cable (2) from the system board.
2. Remove the six Phillips PM2.0×2.0 screws (3) that secure the TouchPad to the computer.
NOTE: You must replace the existing NFC antenna on the replacement touchpad. Please note the
position of the antenna for proper reattachment and alignment.
3. Gently peel the NFC antenna up from right to left (4).
4. Lift the TouchPad o the computer (5).
Reverse the removal procedures to install the TouchPad.
When replacing the touchpad, ensure the NFC cable will line up with the system board (2), and then adhere
the antenna using the white line as a guide.
44 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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