Dell Latitude D630 - Manual (Page 22)

22 About Your Computer
DEVICE STATUS LIGHTS
1 display latch 2 display
3 power button 4 device status lights
5 keyboard 6 touch pad
7 fingerprint reader (optional) 8 touch pad buttons/track stick
buttons
9 track stick 10 keyboard status lights
11 volume control buttons 12 ambient light sensor
13 mute button