Acer TravelMate P643-V Service Manual page 146

4. Push the mainboard up to align the audio ports of the mainboard with the port holes on the
lower case. Make sure the heatsink is positioned above the enclosure rib.
Rib
Figure 1-117. Mainboard
5. Secure the mainboard with the one screw.
Figure 1-118. Mainboard Screw
Table 3-30. Screw
Step
Mainboard Assembly
3-76
Screw
M2 × L3
Quantity Screw Type
1
Machine Maintenance