Acer Aspire V3-571G Service Manual page 104

Attach the 21 screws to secure the lower case.
5.
Screw Name
M 2.0 x 2.5
M 2.5 x 4.0
M 2.5 x 8.0
Service and Maintenance
Figure 3:47. Attaching the Lower Case Screws
Table 3:8. Lower Case Screws
Screw Type Quantity
3
1
17
3-35