Acer TravelMate P653-V Acer TravelMate P653-M and P653-V Notebook Service Guid - Page 155

5. 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 1-136. Mainboard 6. Secure the mainboard with one screw. Figure 1-137. Mainboard Screw Table 3-29. Screw Step Mainboard Assembly Screw M2 × L2.5 Quantity 1 Screw Type Machine Maintenance 3-83