Dell Latitude D510 - Manual (Page 3)

The green lights located above the keyboard indicate the following:
Left View
security cable slot — Lets you attach a commercially available antitheft device to the computer. For more information, see the instructions included with the
device.
Turns on when the numeric keypad is enabled.
Turns on when wireless devices are enabled.
Turns on when the uppercase letter function is enabled.
Turns on when Bluetooth® wireless technology is
enabled. To enable or disable Bluetooth wireless
technology or other wireless devices, press <Fn><F2>.
NOTE: Bluetooth wireless technology is an optional
feature on your computer, so the icon turns on only
if Bluetooth wireless technology is installed on your
computer.
For more information, see the documentation that came
with your Bluetooth wireless technology.
Turns on when the scroll lock function is enabled.
1 security cable slot 4 infrared sensor
2 IEEE 1394 Connector 5 audio connectors (2)
3 PC Card slot 6 hard drive
NOTE: The computer turns on the fan when the computer gets hot. Fan noise is normal and does not indicate a problem with the fans or the computer.
NOTICE: Before you buy an antitheft device, ensure that it will work with the security cable slot.