HP G72-257CL Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 87
Grasp the right edge, that secure the system board to the base enclosure.
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Removal and replacement procedures Remove the system board: 1. Disconnect the RJ-11 connector cable 1 from its mounting clip in the base enclosure. 2. Disconnect the optical drive connector cable 2 from the system board. 3. Disconnect the Bluetooth cable 3 from the system board. 4. Disconnect the USB cable 4 from the system board. 5. Disconnect the power connector cable 5 from the system board. 6. Remove the three PM2.5×4.0 screws 1 that secure the system board to the base enclosure. 7. Grasp the right edge 2 of the system board and lift it up to a 45-degree angle. 8. Pull it away from the base enclosure 3 at that angle. Reverse this procedure to install the system board. Maintenance and Service Guide 4-45
Removal and replacement procedures
Maintenance and Service Guide
4–45
Remove the system board:
1. Disconnect the RJ-11 connector cable
1
from its mounting clip in the base enclosure.
2. Disconnect the optical drive connector cable
2
from the system board.
3. Disconnect the Bluetooth cable
3
from the system board.
4. Disconnect the USB cable
4
from the system board.
5. Disconnect the power connector cable
5
from the system board.
6. Remove the three PM2.5×4.0 screws
1
that secure the system board to the base enclosure.
7. Grasp the right edge
2
of the system board and lift it up to a 45-degree angle.
8. Pull it away from the base enclosure
3
at that angle.
Reverse this procedure to install the system board.