Acer Aspire S7-391 Service Manual page 69

5. Remove the four screws securing the left and right speakers to the upper case assembly.
Figure 3-11. Left and Right Speaker Screws
Table 3-11. Screws
Step
Speaker Module Disassembly
6. Detach the left and right speakers from the upper case assembly.
Figure 3-12. Left and Right Speakers
Machine Maintenance
Screw
M2 x L2
Quantity Screw Type
4
3-11