System information

5. Lift the system board (2), and then remove the system board (3) by sliding it up and to the right at
an angle.
Reverse this procedure to install the system board.
Solid State Drive
Description Spare part number
256 GB M2 SATA-3 801473-001
256 GB M2 SATA-3 TLC 801479-001
Before removing the speakers, follow these steps:
Before removing the Speakers, 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 61),
5. Remove the optical drive (see
Optical drive connector on page 85).
6. Remove the top cover from the base enclosure (see
Base enclosure on page 65).
7. Remove the WLAN module (see
WLAN module on page 80).
8. Remove the system board (see
System board on page 89).
Remove the solid-state drive:
96 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts