Lenovo ThinkCentre M91p Hardware Maintenance Manual - Page 112

9. To install a new hard disk drive into the blue bracket, flex the bracket and align pin 1 , pin 2 , pin 3 , and pin 4 on the bracket with the corresponding holes in the hard disk drive. Do not touch the circuit board 5 on the bottom of the hard disk drive. Figure 36. Installing the hard disk drive into the bracket 10. Slide the new hard disk drive into the drive cage until it snaps into position. 11. Align the drive cage pivot pin with the slot 1 in the upper drive cage and slide the hard disk drive cage into the chassis. 12. Connect the signal cable and the power cable to the new hard disk drive. 13. Press down on the metal latch 2 and pivot the drive cage into place, and then slide it to the front of the computer until it snaps into position. Note: There are two arrows, one on the upper drive cage and one on the hard disk drive cage. The arrows are aligned when the hard disk drive is in the proper position. Figure 37. Installing the primary hard disk drive 104 ThinkCentre Hardware Maintenance Manual