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SD Card reader board
NOTE: The SD Card reader board does not include the SD Card reader board cable. The SD Card
reader board cable is included in the Cable Kit, spare part number 639402-001.
Description Spare part number
SD Card reader board 640899-001
Before removing the SD Card reader 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 52), and then remove the following components:
●
Optical drive (see
Optical drive on page 53)
●
Hard drive (see
Hard drive on page 56)
●
Keyboard (see
Keyboard on page 65)
●
Top cover (see
Top cover on page 68)
Remove the SD Card reader board and cable:
1. Release the ZIF connector to which the SD Card reader board cable is connected, and then
disconnect the SD Card reader board cable (1) from the system board.
2. Remove the two Phillips PM2.5×5.0 screws (2) that secure the SD Card reader board to the
base enclosure.
78 Chapter 4 Removal and replacement procedures