Dell Latitude E5420 - Removing the Coin-Cell Battery

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Dell Latitude 5420/E5420/E5420m Owner's Manual
Removing the Coin-Cell Battery
1. Follow the procedures in Before Working On Your Computer.
2. Remove the
battery.
3. Remove the
subscriber identity module (SIM) card.
4. Remove the
secure digital (SD) card.
5. Remove the
back panel.
6. Remove the
memory.
7. Remove the
keyboard trim.
8. Remove the
keyboard.
9. Remove the
optical drive.
10. Remove the
hard drive.
11. Remove the
wireless wide area network (WWAN).
12. Remove the
wireless local area network (WLAN).
13. Remove the
CPU door.
14. Remove the
heat sink.
15. Remove the
processor.
16. Remove the
palm rest.
17. Remove the
ExpressCard/Smart Card/PCMCIA module,
18. Remove the
display assembly.
19. Remove the
LED board.
20. Remove the
support brackets.
21. Remove the
system board.
22. Disconnect the coin-cell battery connector.