Keyboard 35
On a Dell laptop computer, there are generally three lighting states
available:
• Full keyboard/touchpad brightness
• Half keyboard/touchpad brightness
• No lighting
Pressing the <Fn> and the right-arrow key toggles between the three
lighting states.
NOTE: Backlit keyboard may not be available on all computers. See
the specifications of your computer for more details.
Keyboard Connection Types
You can connect a keyboard to your computer using a wired or a wireless
connection.
Wired: The keyboard is connected to the computer using a cable
and does not require additional power source, such as batteries. The
connection can be using any of the following:
• USB – Used in all current generation computer.
• PS/2 port – Used on older computers.
Wireless: Keyboard is connected to the computer using wireless signals.
This connection method reduces cable clutter and gives you the flexibility
to use the keyboard from a more comfortable position within a few
meters from the computer. Such keyboards require batteries to operate
and some wireless keyboards have rechargeable batteries. The wireless
connection can be any of the following:
• Radio Frequency (RF) – An RF receiver is connected to the USB port
on the computer.
• Bluetooth – The keyboard connects to the computer using the
Bluetooth adapter already installed in your computer or using a
Bluetooth adapter connected to an USB port of your computer.
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