11. Reinstall the battery. See "Replacing the battery" on page 31.
12. Turn the computer over again. Connect the ac power adapter and all cables.
Removing the optical drive
Before you start, print these instructions.
To remove the optical drive, refer to the instructions for the computer:
•
"Lenovo B475e" on page 45
•
"Lenovo B575e" on page 45
Lenovo B475e
To replace the optical drive, do 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. Close the computer display, and turn the computer over.
3. Remove the battery. See "Replacing the battery" on page 31.
4. Remove the screw
then push the optical drive
5. Insert a new optical drive, and then reinstall the screw to secure the drive.
6. Reinstall the computer cover, and then reinstall the screws to secure the cover.
7. Reinstall the battery. See "Replacing the battery" on page 31.
8. Turn the computer over again. Connect the ac power adapter and all cables.
Lenovo B575e
To replace the optical drive, do 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. Close the computer display, and turn the computer over.
3. Remove the battery. See "Replacing the battery" on page 31.
4. Remove the screws
1
that secures the optical drive. Insert a screwdriver into the screw hole, and
2
.
1
, and then remove the cover
2
.
Chapter 7
45
.
Replacing devices