Touchpad
The following table lists the touchpad specifications of your Vostro 3420.
Table 16. Touchpad specifications
Description Values
Touchpad resolution:
Horizontal
300
Vertical
300
Touchpad dimensions:
Horizontal
114.40 mm (4.50 in.)
Vertical
69.40 mm (2.73 in.)
Touchpad gestures For more information about touchpad gestures available
on Windows, see the Microsoft knowledge base article at
support.microsoft.com.
Power adapter
The following table lists the power adapter specifications of your Vostro 3420.
Table 17. Power adapter specifications
Description Values
Type
65 W AC adapter, Barrel type
Connector dimensions:
External diameter
4.50 mm (0.17 in.)
Internal diameter
2.90 mm (0.11 in.)
Power-adapter dimensions:
Height
28 mm ( 1.10 in.)
Width
106 mm (4.17 in.)
Depth
48 mm (1.89 in.)
Power-adapter weight (maximum)
0.3 kg (0.66 lb)
Input voltage
100 VAC x 240 VAC
Input frequency
50 Hz x 60 Hz
Input current (maximum)
1.70 A
Output current (continuous)
3.34 A
Rated output voltage
19.50 VDC
Temperature range:
Specifications of Vostro 3420 17
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