The following table provides the list of screws that are used for securing different components to the computer.
Table 1. Screw list
Component
Computer cover
Hard drive
Hard drive
ODD
ODD
Wireless card
Processor fan
Front I/O-panel
System board
10
Screw list
Secured to
Chassis
Side-chassis
Hard-drive bracket
Side-chassis
ODD bracket
System board
Heat sink
Chassis
Chassis
Screw type
#6–32 UNC 1/4''
#6–32 UNC 1/4''
#6–32 UNC 3.6 mm
#6–32 UNC 3.6 mm
M2xL2
M2xL3.5
M6xL10
#6–32 UNC 1/4''
#6–32 UNC 1/4''
5
Screw list
Quantity
2
1
4
1
3
1
4
2
4