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50QMA
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N/B Maintenance
N/B Maintenance
Reassembly
1. Fit the system board into the I/O bracket and secure with two screws.
2. Replace the system board into the housing and secure with four screws.
3. Reconnect the three speakers’ cables into the system board and replace the (R&L) rear covers.
4. Secure with four screws fasten the housing.
5. Replace the LCD assembly, modem card, DDR, CD/DVD-ROM drive, hard disk drive, CPU, keyboard and
battery pack. (Refer to the section 2.3.8, 2.3.7, 2.3.6, 2.3.5, 2.3.4, 2.3.3, 2.3.2 and 2.3.1 Reassembly)
6. Remove the two screws and separate the I/O bracket from the system board, then free the system board.
(Figure 2-29)
Figure 2-29 Free the system board
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