Dell Latitude E5520M (Early 2011) - Manual (Page 87)

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Display Panel
Removing the Display Panel
1. Follow the procedures in Before Working On Your Computer.
2. Remove the battery .
3. Remove the display bezel .
4. Remove the screws that secure that back panel.
5. Flip the display panel and disconnect the low-voltage differential signalling (LVDS) cable.
6. Remove the display panel from the display assembly.
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