Dell Latitude E5420 (Early 2011) - Manual (Page 106)

8. Replace the ExpressCard/Smart Card/PCMCIA module .
9. Replace the palm rest .
10. Replace the processor .
11. Replace the heat sink .
12. Replace the CPU door ..
13. Replace the wireless wide area network (WWAN) .
14. Replace the wireless local area network (WLAN) .
15. Replace the hard drive .
16. Replace the optical drive .
17. Replace the keyboard .
18. Replace the keyboard trim
19. Replace the memory .
20. Replace the back panel .
21. Replace the secure digital (SD) card .
22. Replace the subscriber identity module (SIM) card .
23. Replace the battery .
24. Follow the procedures in After Working Inside Your Computer .
Related Links
Removing the System Board
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