Maintenance and Service Guide

Before removing the middle frame, 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 bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the hard drive (see
Hard drive on page 27).
8. Remove the Y-axis capacitor board (see
Y-axis capacitor board on page 30).
9. Remove the RTC battery (see
RTC battery on page 31).
10. Remove the USB board (see
USB board on page 32).
11. Remove the cover bracket (see
X-axis capacitor board on page 33).
12. Remove the X-axis capacitor board (see
X-axis capacitor board on page 33).
13. Remove the converter board (see
Converter board on page 35).
14. Remove the media card reader board (see
Media card reader board on page 37).
15. Remove the USB connector cable (see
USB connector cable on page 38).
16. Remove the speakers (see
Speakers on page 39).
17. Remove the display stand recess (see
Display stand recess on page 41).
18. Remove the battery (see
Battery on page 44).
19. Remove the audio/USB board (see
Audio/USB board on page 47).
20. Remove the air flow channel (see
Air flow channel on page 51).
21. Remove the fan (see
Fan on page 53).
22. Remove the system board (see
System board on page 54).
23. Remove the display stand (see
Display stand on page 58).
Remove the middle frame:
1. Remove the eight Phillips PM3.0×6.5 screws (1) that secure the middle frame to the
display assembly.
NOTE: When removing the middle frame, make sure the display panel cable (2) routes cleanly
through the opening in the middle frame.
60 Chapter 4 Removal and replacement procedures