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11. Reinstall the battery. See “Replacing the battery” on page 35.
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 49
• “Lenovo B575e” on page 49
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 ve 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 35.
4. Remove the screw 1 that secures the optical drive. Insert a screwdriver into the screw hole, and
then push the optical drive 2 .
1
2
2
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 35.
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 ve 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 35.
4. Remove the screws 1 , and then remove the cover 2 .
Chapter 7. Replacing devices 49