Dell OptiPlex All-in-One Plus 7420 - Page 39

19. Speakers
20. Power-supply unit (PSU)
21. Fan shroud
22. Coin-cell battery
23. System board
24. System-board shield
25. Retractable-camera assembly
26. Power-supply fan
27. Back cover
NOTE: Dell provides a list of components and their part numbers for the original configuration purchased. These parts are
available according to warranty coverage purchased by the customer. Contact your Dell sales representative for purchase
options.
Working inside your computer 39