Dell Vostro 3550 (Early 2011) - Manual (Page 5)

Front and Back View — Vostro 3550/3555
Figure 5. Vostro 3550/3555 — Front View
1. microphones (2)
2. camera
3. camera LED
4. display
5. Windows Mobility Center
6. Dell Support Center
7. Dell Instant Launch Manager
8. USB 3.0 connector
9. audio connectors
10. optical drive/bay
11. optical-drive eject button
12. fingerprint reader
13. ExpressCard slot
14. touchpad
15. touchpad buttons (2)
16. device status lights
17. touchpad disable LED
18. keyboard
19. power button
5