Dell Latitude E6420 (Early 2011) - Manual (Page 60)

11. Disconnect and remove the keyboard cable from the keyboard.
Installing the Keyboard
1. Connect the keyboard cable and secure it to the keyboard using the tape.
2. Connect the keyboard cable to its connector on the system board.
3. Replace and tighten the screws that secure the keyboard to the computer.
4. Install the
Battery .
5. Install the Keyboard Trim
6. Follow the procedures in After Working Inside Your Computer .
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