Dell Latitude E6520 (Early 2011) - Manual (Page 69)

System Board
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Removing The System Board
1. Follow the procedures in Before Working On Your Computer .
2. Remove the secure digital (SD) Card .
3. Remove the ExpressCard .
4. Remove the battery .
5. Remove the base cover .
6. Remove the display assembly .
7. Remove the optical drive .
8. Remove the hard drive .
9. Remove the wireless local area network (WLAN) card .
10. Remove the wireless wide area network (WWAN) card .
11. Remove the heat-sink .
12. Remove the processor .
13. Remove the memory .
14. Remove the Bluetooth .
15. Remove the modem card .
16. Remove the keyboard trim .
17. Remove the keyboard .
18. Remove the palm rest assembly .
19. Remove the ExpressCard cage .
20. Disconnect and release coin-cell battery cable and the power connector
cable from the system board.
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