4.12 Top cover assembly 4 Replacement Procedures
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 4-41
Installing the top cover assembly
The following describes the procedure for installing the top cover assembly. (See Figure 4-22
and 4-26.)
1. Install the top cover assembly to the base assembly.
2. Turn the display 90 degrees.
3. Secure the following screws.
• M2.5×6.0B FLAT HEAD screw ×2
4. Turn the display 90 degrees. (The display is returned to the former position.)
5. Install the hinge rear cover.
6. Secure the following screw.
• M2.5×10.0B FLAT HEAD screw ×1
7. Connect the speaker cable, NP board cable, LCD cable and digitizer cable to the
connector CN6170, CN9500, CN5500, and CN9540 on the system board.
8. Secure the following screws.
• M2.0×4.0B BIND screw ×2
9. Close the display and turn over the computer.
10. Secure the following screws to fix the top cover assembly.
• M2.5×10.0B FLAT HEAD screw ×2
• M2.5×6.0B FLAT HEAD screw ×8
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