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5 volume control buttons
7 power button
9 IEEE 1394 connector
11audio
13 ExpressCard slot
15contactless
17 SecureDigital (SD) card slot
19track stick buttons/touch pad buttons
21ambient light sensor and microphone
6Dell™ Latitude ON™ button (optional)
8 USB connector
10wireless switch and Dell
12 optical drive
14fingerprint reader (optional)
16track stick
18 touch pad
20 device status lights
8
About Your Computer