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Power/battery pass-through board
Description Spare part number
Power/battery passthrough board 537615-001
Before removing the power/battery pass-through board, follow these steps:
1. Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the device
on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the device.
3. Disconnect the power from the device by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the device.
4. Remove the battery (see
Battery on page 36).
5. If your device has WWAN capability, remove the SIM (see
SIM on page 37.
6. Remove the following components:
a. Keyboard (see
Keyboard on page 40)
b. Hard drive or solid-state drive (see
Mass storage devices on page 45)
c. Top cover (see
Top cover on page 48)
Remove the power/battery pass-through board:
1. Disconnect the power cable (1).
2. Remove the 2 Phillips BP2.5×5.0 screws (2) that secure the power/battery passthrough board to
the base enclosure.
3. Remove the power/battery pass-through board (3).
Reverse this procedure to install the power/battery pass-through board.
56 Chapter 4 Removal and replacement procedures