Acer Aspire E1-421 Service Manual page 152

4. Install and secure eighteen (18) screws to the base assembly
Figure 3-75. Upper Case Screw Location
ID
Red
Call out
Green
Call out
C
3-66
Size
M2.5*6
M2*3
M2.5*6
Quantity
13
5
2
Machine Maintenance Procedures
(Figure 3-75).
Screw Type