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Touchpad
Table 15. Touchpad specifications
Description
Resolution:
Horizontal
Vertical
Dimensions:
Horizontal
Vertical
Touchpad gestures
For more information about touchpad gestures for Windows 10, see the Microsoft knowledge base article
support.microsoft.com.
Power adapter
Table 16. Power adapter specifications
Description
Type
Diameter (connector)
Input voltage
Input frequency
Input current (maximum)
Output current (continuous)
Rated output voltage
Temperature range:
Operating
Storage
Values
3215
2429
105 mm (4.13 in.)
80 mm (3.15 in.)
E4 45 W
4.5 mm x 2.9 mm
100 VAC–240 VAC
50 Hz–60 Hz
1.30 A
2.31 A
19.50 VDC
0°C to 40°C (32°F to 104°F)
–40°C to 70°C (–40°F to 158°F)
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Values
E4 65 W
4.5 mm x 2.9 mm
100 VAC–240 VAC
50 Hz–60 Hz
1.60 A/1.70 A
3.34 A
19.50 VDC
0°C to 40°C (32°F to 104°F)
–40°C to 70°C (–40°F to 158°F)
Specifications of Inspiron 3781
17
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