Acer Aspire S5-391 Service Manual page 131

Attach the four (4) screws to the lower case.
7.
Install the battery module (see
8.
Screw Name
M 1.6 X 2.5
M 2.0 X 5.0
5-27
Figure 5-34. Securing the Lower Case Screws
Battery Module Installation
Table 5-13. Upper and Lower Case Screws
on page 5-14).
Screw Type Quantity
10
4
Service and Maintenance