Icons Description
Decrease brightness
Increase brightness
Turn off/on wireless
Pause/Break
Sleep
Toggle scroll lock
Toggle between power and battery-
status light/hard-drive activity light
System request
Open application menu
Toggle Fn-key lock
End
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Touch pad
The Inspiron 17-7778 is shipped with a Precision touch pad.
A precision touch pad is a new class of input device that provides high
precision pointer input and gesture functionality. Precision touch pads
interact with the operating system directly without a driver.
The operating system handles the overall functionality of the touch pad and
there are no separate drivers available for download.
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