DC connector/power board
Description Spare part number
DC connector/power board 581326-001
Before removing the power/battery pass-through 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 36).
5. If your computer 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 (see Mass storage devices on page 44)
c. Top cover (see Top cover on page 46)
Remove the power/battery pass-through board:
1. Disconnect the power cable (1).
2. Remove the 2 Phillips PM2.5×4.0 screws (2) that secure the power/battery pass-through 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.
Component replacement procedures 55