Installing The 2.5-Inch Storage Drive - Lenovo ThinkCentre M73p User Manual

1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 56.
3. Locate the power supply assembly. See "Computer components" on page 5 .
4. Disconnect the power supply assembly cables from the system board and all drives. See "Parts on the
system board" on page 6 .
5. Release the power supply assembly cables from the cable clips and ties in the chassis.
6. Lay the computer on its side and remove the four screws at the rear of the chassis that secure the
power supply assembly.
Figure 22. Removing the screws for the power supply assembly
7. Slide the power supply assembly to the front of the computer and then lift it out of the chassis.
8. Ensure that the new power supply assembly is the correct replacement.
9. Install the new power supply assembly into the chassis so that the screw holes in the power supply
assembly align with those in the chassis.
10. Install and tighten the four screws to secure the power supply assembly.
Note: Use only screws provided by Lenovo.
11. Reconnect the power supply assembly cables to the system board and each of the drives.
12. Secure the power supply assembly cables with the cable clips and ties in the chassis.
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 76.

Installing the 2.5-inch storage drive

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page iii .
This section provides instructions on how to install the 2.5-inch 2.5-inch storage drive.
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Chapter 7 Installing or replacing hardware
67