Table 1. Screw list (continued)
Component Screw type Quantity Screw image
Hard-drive assembly
Hard-drive bracket
M2x3.5
M3x3
4
4
Heat sink M2x3 4
Fan M2x5 2
Power button with optional
fingerprint reader
M2x2 (OD=5) 1
Display assembly M2.5x5 4
System board M2x3.5
M2x2 (OD=5)
4
1
USB type-C bracket M2x3.5 2
Touchpad
Touchpad bracket
M2x2 (OD=5) Big
Head
M2x2 (OD=5) Big
Head
2
3
Major components of Vostro 3520
The following image shows the major components of Vostro 3520.
Removing and installing components
11
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