3.Replace nine (9) screws on the lower cover.

Step

Screw

Quantity

Screw Type

 

 

 

 

Lower Cover

(red call out)

4

 

Disassembly

 

 

 

 

 

 

 

 

(blue call out)

5

 

 

 

 

 

4.Replace the seventeen (17) screws on the upper cover.

Step

Size

Quantity

Screw Type

 

 

 

 

Upper Cover

M2*3

11 (blue call out)

 

Assembly

 

 

 

 

 

 

 

 

M2*5 Ni

6 (red call out)

 

 

 

 

 

Chapter 3

99

Page 109
Image 109
Acer 521 manual Step Screw Quantity Screw Type, Step Size Quantity Screw Type