USB board (USB/volume/hard drive LED/card reader)
Description Spare part number
USB board (includes cable) 807527-001
Before removing the USB board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the top cover (see Top cover on page 26).
5. Disconnect the battery.
To remove the USB board:
1. Disconnect the cable from the system board (1).
2. Remove the two Phillips PM2.0×3.0 screws (2) that secure the board to the computer.
36 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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