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b. 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. Install and tighten the three screws to secure the power
supply assembly.
Note: Use only screws provided by Lenovo.
Figure 45. Installing the power supply assembly
c. Connect the power supply assembly cables to the system board and each of the drives.
d. 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 155.
Storage drive in the storage drive bay
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Depending on your computer model, one of the following devices might be installed in the storage drive bay:
• 3.5-inch storage drive
• 2.5-inch storage drive
3.5-inch storage drive
To remove or install the 3.5-inch storage drive in the bay, do the following:
1. Prepare your computer. See "Preparing your computer" on page 92.
2. Locate the storage drive bay. See "Internal storage drives" on page 38.
3. To remove the 3.5-inch storage drive, do the following:
a. Disconnect the signal cable and the power cable from the storage drive.
.
Chapter 9
Hardware removal and installation
113
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