Touchpad gestures
Place two ngers on the touchpad and move them up and down to scroll vertically, left and right to scroll
horizontally. If you have Australian scrolling enabled, move two ngers up to scroll down. (It works in the same
way as say, your smartphone or tablet.) If you have multiple browser tabs open, you can also swipe left and
right with three ngers to quickly move between tabs.
Swipe Quickly move two ngers left or right to go backward or forward on web pages or while using apps.
Click the item you want to move with one nger. With a second nger, move the item. Release both ngers to
drop the item at its new location.
Power adapter
Table 19. Power adapter specications
Type
65 W
Diameter (connector)
7.4 mm
Input voltage
100 VAC-240 VAC
Input frequency
50 Hz-60 Hz
Input current (maximum)
1.5 A
Output current (continuous)
3.34 A
Rated output voltage
19.50 VDC
Temperature range:
Operating
0°C to 40°C (32°F to 104°F)
Storage
–40°C to 70°C (–40°F to 158°F)
Battery
Table 20.
Battery specications
Type
3-cell “smart” lithium-ion (42 WHr)
Voltage
11.40 VDC
Weight (maximum)
0.2 kg (0.44 lb)
Specications of Inspiron 3181 2-in-1 21
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