10. Install the new optical drive as follows:
(1) Align the new optical drive with the cover, and then push the cover back
(2) Screw the metal bracket back onto the new optical drive.
(3) Slide the new optical drive into the drive bay.
11. Screw the new optical drive back onto the chassis.
12. Slide the computer cover back into position.
Replacing the hard disk drive
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool
down before replacing the hard disk drive.
To replace the hard disk drive:
Note: It may be helpful to place the computer face-down on a soft flat
surface for this procedure. Lenovo recommends that you use a blanket,
towel, or other soft cloth to protect the screen from scratching or other
1. Remove the computer cover. Refer to "Removing the computer cover".