9. Reinstall the computer cover
1 . Then tighten the screws
2.
10.Reinstall the battery. See “Replacing the battery” on page 67.
11.Turn the computer over again. Connect the ac power adapter and all cables.
Replacing the optical drive
ThinkPad Edge E431
Before you start, print these instructions.
An optical drive is preinstalled in the optical drive bay. If it needs to be repaired, remove it by doing the following:
1.Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait three to five minutes to let the computer cool.
2.Remove the battery. See “Replacing the battery” on page 67.
3.Close the computer display, and turn the computer over.
4.Loosen the screws 1 , and then remove the cover 2 .
