Major components of OptiPlex 7400 All-in-One
The following image shows the major components of OptiPlex 7400 All-in-One.
1. Stand
3. Heat sink
5. Processor
7. M.2 2230/2280 solid-state drive
9. Side-I/O board
11. Audio board
13. Display-assembly base
15. Camera-assembly door
17. System board
19. Camera assembly
21. PSU fan
NOTE:
Dell provides a list of components and their part numbers for the original system configuration purchased. These
parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for
purchase options.
12
Removing and installing components
2. Bottom cover
4. System fan
6. Memory module
8. Rear-I/O bracket
10. Speakers
12. Display panel
14. Middle frame
16. Power-supply unit (PSU)
18. System-board shield
20. Wireless card