Lenovo ThinkCentre A58 User Manual - Page 143

5. Disconnect the signal cable and the power cable from the hard disk drive. 6. Remove the old hard disk drive from the bracket by flexing the sides of the bracket enough to slide it free from the hard disk drive. Figure 53. Removing the hard disk drive from the bracket 7. To install a new hard disk drive into the bracket, flex the bracket and align pin 1 , pin 2 , pin 3 , and pin 4 on the bracket with the holes in the hard disk drive. Important: Do not touch the circuit board on the bottom of the hard disk drive. 8. Connect the signal cable and the power cable to the new hard disk drive. 9. Install the new hard disk drive and bracket into the rear retainer and rotate down until the two clips on the blue handle of the hard disk drive bracket snap into position. 10. Go to "Completing the FRU replacement" on page 155. Replacing the optical drive Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the optical drive. To replace the optical drive: 1. Open the computer cover. See "Opening the computer cover" on page 126. 2. Pivot the drive bay assembly upward to gain access to the optical drive. See "Accessing the system board components and drives" on page 127. Chapter 9. Replacing FRUs - 607 137