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Connector board
Description Spare part number
For use only on computer models equipped with an AMD processor 720579-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
discrete memory
723372-001
For use only on computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
720554-001
Before removing the connector board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 43), and then remove the following components:
a. Solid-state drive (see
Solid-state drive on page 44)
b. Hard drive (see
Hard drive on page 47)
c. Base enclosure (see
Base enclosure on page 55)
Remove the connector board:
1. Disconnect the connector board cable (1) from the system board.
2. Release the connector board cable from the routing clips (2) built into the top cover and routing
channel (3) between the subwoofer and left front speaker.
3.
Release the ZIF connector (4) to which the connector board ribbon cable is attached, and then
disconnect the connector board ribbon cable from the system board.
80 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts