Dell Precision 5540 - Major components of your system; Component identification

Major components of your system
1. Base cover
2. Power connector port
3. System fan
4. Memory modules
5. System board
6. Battery
7. Speaker
8. Touchpad
9. Display Assembly
10. Palmrest Assembly
11. PCIe Solid State Drive (SSD)
12. WLAN card
13. System fan
14. Heatsink assembly
15. Power button
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16 Major components of your system