Lenovo ThinkSystem ST50 V2, Maintenance Manual

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Figure 61. Installing the optical drive cage
Step 4. If applicable, connect the signal and power cable of the 3.5-inch drive to the system board, see
“Internal cable routing” on page 19 .
Procedure
1. To install an optical drive, see “Install an optical drive” on page 72 .
2. Proceed to complete the parts replacement, see “Complete the parts replacement” on page 158 .
Fan replacement
Follow this procedure to remove and install the front fan or rear fan.
Note:
For heat sink and fan module replacement, see “Heat sink and fan module replacement” on page 92 .
Remove the fan (front and rear)
Follow this procedure to remove the front fan or rear fan.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Chapter 3
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Hardware replacement procedures
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