Card reader board
Description Spare part number
Card reader board (includes cable) 784454-001
Before removing the card reader board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see Service cover on page 51), and then remove the following components:
a. Battery (see Battery on page 53)
b. Keyboard (see Keyboard on page 63)
c. Base enclosure (see Base enclosure on page 75)
d. NFC module (see NFC module on page 79 ,where applicable)
Remove the card reader board:
1. Release the ZIF connector (1) to which the card reader board cable is connected, and then disconnect
the card reader board cable from the card reader board.
2. Release the ZIF connector (2) to which the TouchPad cable is connected, and then disconnect
the TouchPad cable from the card reader board.
3. Use a case utility tool (3) or similar thin, plastic tool to disengage the left side of the card reader board it
from the top cover (3). (The card reader board is attached to the top cover with double-sided adhesive.)
80 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ENWW
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