Dell PP28L Laptop User Manual


 
About Your Computer 29
The blue lights located above the keyboard indicate the following:
If the computer is connected to an electrical outlet, the light operates as follows:
Solid blue: The battery is charging.
Flashing blue: The battery is almost fully charged.
Off: The battery is adequately charged.
If the computer is running on a battery, the light operates as follows:
Off: The battery is adequately charged (or the computer is turned off).
Flashing amber: The battery charge is low.
Solid
amber
: The battery charge is critically low.
Turns on when you turn on the computer and blinks when the computer is
in a power management mode.
Turns on when the numeric keypad (Num Lock) is enabled.
Turns on when the uppercase letter (Caps Lock) function is enabled.
Turns on when the scroll lock function is enabled.
WiFi status light – Turns on when wireless networking is enabled. To
enable or disable wireless networking, use the wireless switch (see "wireless
On/Off switch" on page 33).
Bluetooth
®
status light – Turns on when a card with Bluetooth wireless
technology is enabled.
NOTE: The card with Bluetooth wireless technology is an optional feature.
The light turns on only if you ordered the card with your computer. For
more information, see the documentation that came with your card.
To turn off only the Bluetooth wireless technology functionality, right-click
the icon in the notification area, and then click Disable Bluetooth
Radio.
To quickly enable or disable all wireless devices, use the wireless switch
(see "wireless On/Off switch" on page 33).
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