Dell Latitude E6420 (Early 2011) - Manual (Page 18)

6. Remove the cover.
Installing the Modem Connector Plug
1. Place the modem cover.
2. Identify the pin hole and insert a pin into the hole and pull the pin to lock the
cover.
3. Lock the rubber cover.
4. Install the
Battery .
5. Follow the procedures in After Working Inside Your Computer .
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