Acer Aspire V3-551 Service Manual page 161

Attach the adhesive on the USB cable to the lower case (A) and connect the USB module cable
3.
connector to the mainboard connector (B).
A
B
Figure 5:104. Connecting the USB Module Cable
Table 5:15. USB Module Screws
Screw Name Screw Type Quantity
M 2.0 x 3.0 1
5-68 Service and Maintenance