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Card Reader board
Description Spare part number
For use only on computer models with USB 3.0 capability 689995-001
For use only on computer models with USB 2.0 capability 665923-001
Before removing the 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 39), and then remove the following components:
a. Subwoofer (see
Subwoofer on page 41)
b. Hard drive (see
Hard drive on page 51)
c. Top Cover (see
Top cover on page 56)
Remove the Card Reader board:
1.
Release the Card Reader board cable (1) from the base enclosure. (The Card Reader board cable
is attached to the base enclosure with double-sided tape.)
2. Disconnect the Card Reader board cable (2) from the system board.
3. Remove the three Phillips PM2.5×4.5 screws (3) that secure the Card Reader board to the
base enclosure.
64 Chapter 4 Removal and replacement procedures ENWW