Table 1. Screw list (continued)
Component Screw type Quantity Screw image
System board thermal plate
● M2x5
● M2x3
● 2
● 4
●
●
Touchpad bracket
Touchpad
● M2x2
● M2x2
● 3
● 2
●
●
Display assembly M2.5x5 4
Display hinges M2.5x3.8 6
System board
● M2x2
● M2x3.5
● 1
● 3
●
●
I/O daughter-board M2x3.5 3
Power button M2x2 1
Power button with optional
fingerprint reader
M2x2 1
Power-adapter port M2.5x5 2
Major components of Inspiron 15 3521
The following image shows the major components of Inspiron 15 3521.
Removing and installing components
11