1. Align the media board to its original position on the computer.
2. Replace and tighten the screws that secure the media board to the
computer.
3. Connect the media board cable to the system board.
4. Install the ATG Handle (for E6420 ATG systems only).
5. Install the ATG Port Cover (for E6420 ATG systems only).
6. Install the Palmrest Assembly.
7. Install the Keyboard.
8. Install the Keyboard Trim.
9. Install the WWAN Card.
10. Install the Bluetooth Card.
11. Install the Hard Drive.
12. Install the Optical Drive.
13. Install the Base Cover.
14. Install the SD Card.
15. Install the Battery.
16. Install the ATG Port Cover (only for E6420 ATG systems).
17. Install the ATG Handle (only for E6420 ATG systems).
18. Follow the procedures in After Working Inside Your Computer
2. Replace and tighten the screws that secure the media board to the
computer.
3. Connect the media board cable to the system board.
4. Install the ATG Handle (for E6420 ATG systems only).
5. Install the ATG Port Cover (for E6420 ATG systems only).
6. Install the Palmrest Assembly.
7. Install the Keyboard.
8. Install the Keyboard Trim.
9. Install the WWAN Card.
10. Install the Bluetooth Card.
11. Install the Hard Drive.
12. Install the Optical Drive.
13. Install the Base Cover.
14. Install the SD Card.
15. Install the Battery.
16. Install the ATG Port Cover (only for E6420 ATG systems).
17. Install the ATG Handle (only for E6420 ATG systems).
18. Follow the procedures in After Working Inside Your Computer