Dell Vostro 3490 Service Manual

Screw list

The table provides the list of screws that are used for securing different components.

Table 1. Screw listThe following table provides the list of screws, screw type, and the components they secure to:
ComponentScrew typeQuantityScrew image
Base coverM2.5x66Image: M2.5x7 screw

NOTE: : Screw color may vary depending on the configuration ordered.

BatteryM2x34Image: M2x3 screw
Display panelM2x24Image: M2x2 screw
System FanM2x52Image: M2x5 screw
VGA daughterboardM2x32Image: M2x3 screw
Hard-drive assemblyM2x34Image: M2x3 screw
Hard-drive bracketM3x34Image: M3x3 screw
Heat sink - discreteM2x33Image: M2x3 screw
HingesM2.5x2.510Image: 2.5x5 screw
I/O boardM2x42Image: M2x4 screw
Optical-drive bracket M2x32Image: M2x2 screw
Optical-drive connector board M2x2 Big Head1Image: M2x2 Big Head screw
Power-adapter portM2x21Image: M2x2 screw
Power-button boardM2x31Image: 2x3 screw
Power button with fingerprint reader (optional)M2x21Image: M2x2 screw
Solid-state driveM2x21Image: M2x2.2 screw
Solid-state driveM2x31Image: M2x3 screw
System boardM2x41Image: M2x4 screw
TouchpadM2x26Image: M2x2 screw
Wireless-card bracketM2x31Image: M2x3 screw

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