Lenovo 4004 Personal Computer User Manual


 
10. Install the screw that secures the optical drive box on the VESA mount bracket.
Figure 24. Installing the screw that secures the optical drive box
11. Connect the optical drive cable to a USB connector on the computer. See “Locating connectors on the
rear of your computer” on page 10.
What to do next:
To work with another piece of hardware, go to the appropriate section.
To complete the installation or replacement, go to “Completing the parts replacement” on page 75.
Replacing the secondary hard disk drive
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page v.
This section provides instructions on how to replace the secondary hard disk drive.
Note: The secondary hard disk drive is only available on some models.
To replace the secondary hard disk drive, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Disconnect the secondary hard disk drive cable from the USB connector on the computer.
42 ThinkCentre User Guide