Reverse this procedure to install the smart card reader and cable.
Audio/USB board
Description Spare part number
Audio/USB board (includes SD Card reader) 734288-001
Before removing the audio/USB 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 battery (see
Battery on page 44), and then remove the following components:
a. Service cover (see
Service cover on page 45)
b. Hard drive (see
Hard drive on page 46)
c. Optical drive (see
Optical drive on page 48)
d. Keyboard (see
Keyboard on page 57)
e. Top cover (see
Top cover on page 65)
Remove the audio/USB board:
1. Remove the four Torx T8M2.5×4.5 screws (1) that secure the audio/USB board to the base enclosure.
Component replacement procedures 77
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