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Removal and Replacement Procedures
Maintenance and Service Guide 5–59
2. Disconnect the USB board cable 1 from the system board.
3. Remove the silver Phillips PM2.5×5.0 screw 2 that secures
the USB board to the computer.
4. Lift the USB board 3 straight up to remove it from the
computer.
5. Remove the num lock light 4 from the clip in the base
enclosure
Removing the USB Board
Reverse the above procedure to install the USB board.