Lenovo E4430 - Manual (Page 52)

38 User Guide
6. Install a new optical drive, and then reinstall the screw to secure the drive.
7. Reinstall the cover and tighten the screws.
8. Reinstall the battery. See “Replacing the battery” on page 27.
9. Turn the computer over again. Connect the ac power adapter and all cables.
a
b
c