Acer Aspire S3-391 Service Manual page 100

3. Pull the upper case downward until it sits parallel with the LCD assembly.
Figure 3-71. Upper Case Assembly
4. Secure the middle cover assembly to the upper case using four screws.
Figure 3-72. Middle Cover Assembly Screws
Table 3-72. Screws
Step
Middle Cover Reassembly
3-46
Screw
M2 x L3
Quantity Screw Type
4
Machine Maintenance