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1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer stand. See "Replacing the computer stand" on page 96.
4. Remove the computer cover. See "Removing the computer cover" on page 101.
5. Remove the system-board shield. See "Replacing the system-board shield" on page 102.
6. Remove the VESA mount bracket. See "Replacing the VESA mount bracket" on page 104.
7. If your computer is installed with a power supply assembly, remove the power supply assembly. See
"Replacing the power supply assembly (for M800z)" on page 105.
8. Remove the storage drive. See "Replacing the storage drive" on page 107.
9. Remove the optical drive. See "Replacing the optical drive" on page 109.
10. If you are replacing the LCD panel of an M700z computer, remove the side bracket by lifting it off
the LCD panel.
11. Remove the integrated camera. See "Replacing the integrated camera" on page 112.
12. Remove the cover presence switch. See "Replacing the cover presence switch" on page 114.
13. Remove the system fan. See "Replacing the system fan" on page 115.
14. Remove the internal speakers. See "Replacing the internal speakers" on page 116.
15. Remove the control button board. See "Replacing the control-button board" on page 118.
16. Remove the I/O bracket. See "Replacing the I/O bracket" on page 121.
17. Remove the heat sink. See "Replacing the heat sink" on page 122.
18. Remove the card reader. See "Replacing the card reader" on page 125.
19. Remove the serial connector module. See "Replacing the serial connector module" on page 127.
20. Remove the Wi-Fi card. See "Replacing the Wi-Fi card" on page 131.
21. Remove the Wi-Fi antennas. See "Replacing a Wi-Fi antenna" on page 132.
22. Remove the system board. See "Replacing the system board" on page 136.
.
Chapter 9
Installing or replacing hardware
139
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