Dell Latitude E5520M (Early 2011) - Manual (Page 53)

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Display Assembly
Removing the Display Assembly
1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the back panel .
4. Remove the keyboard trim .
5. Remove the keyboard .
6. Remove the optical drive .
7. Remove the hard drive .
8. Remove the CPU door .
9. Remove the palm rest .
10. Disconnect the antenna cables.
11. Remove the antenna cables from the routing channels.
12. Disconnect the low-voltage differential signaling (LVDS) cable.
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