Acer Aspire S3-391 Service Manual page 91

12. Remove the twenty nine screws securing the keyboard to the upper case.
Figure 3-56. Keyboard Screws
Table 3-56. Screws
Step
Keyboard Disassembly
13. Detach the keyboard from the upper case.
Figure 3-57. Keyboard
Machine Maintenance
Screw
M1.4 × L1.2
Quantity Screw Type
29
3-37