HP ProBook 440 G1 Notebook PC Maintenance and Service Guide

4. Turn the board upside down, and then disconnect the cable (3) from the board (4).
5. Remove the function board from the top cover.
Reverse this procedure to install the function board.
Card reader board
Description Spare part number
Card reader board 734088-001
Before removing the card reader 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 37).
5. Remove the following components:
a. Service door (see
Service door on page 38).
b. Keyboard (see
Keyboard on page 50)
c. Optical drive (
Optical drive on page 42)
d. Top cover (see
Top cover on page 54)
Component replacement procedures
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