Dell Vostro 14–3478 Owner's Manual

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Screw size list

Table 1. Vostro 14–3478 screw size list The following table shows the screw list for the Vostro 14–3478 for different components/locations.
Component	M2x2 (Big head 07)	M2x2 (Big head 05)	M2x2.5	M2x5	M2x3 (Thin head)	M2x3	M2.5x2.5 (Big head)	M2.5x8	M3x3
Optical drive bridge		3
Optical drive bracket					1
Base Cover			3	6			1	8
Hard drive									4
Hard drive bracket					2
System fan				2
System board					2	1
Touchpad support bracket		4			1
Display assembly								3
Display panel					4
Display Hinge							6
Power button board	1
Fingerprint reader bracket			1