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Power connector cable
Description Spare part number
For use only on computer models equipped with a graphics subsystem with discrete memory 720240-001
For use only on computer models equipped with a graphics subsystem with UMA memory 720241-001
Before removing the power connector cable, 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 display panel (see
Display panel on page 59).
5. Remove the service cover (see
Service cover on page 47).
6. Remove the hard drive (see
Hard drive on page 48).
7. Remove the memory modules (see
Memory modules on page 51).
8. Remove the WLAN module (see
WLAN module on page 52).
9. Remove the optical drive (see
Optical drive on page 55).
10. Remove the base enclosure (see
Base enclosure on page 64).
Remove the power connector cable:
1. Release the metal clip to disconnect the power connector cable (1) from the system board.
2. Disengage the cable from the clips (2).
84 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts