USB board
Description Spare part number
USB board L01043-001
USB board cable (included in Cable Kit) L01082-001
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. Place the computer in “Battery Safe mode” (Battery Safe mode on page 32).
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service doors (Service doors on page 33).
b. Hard drive (Hard drive on page 41)
c. Keyboard (Keyboard on page 44)
d. Top cover (Top cover on page 48)
e. Card reader board (Card reader board on page 59)
f. Battery (Battery on page 64)
Remove the USB board:
1. Position the computer upright on a at surface and open the display as far as possible.
2. Disconnect the cable from the ZIF connector on the USB board (1).
3. Use a tool to pry the side of the board near the fan upward (2), and then pull the board away from the
tab that secures it (3).
Component replacement procedures 65
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