System Board Replacement; Only); Remove The System Board - Lenovo 7D8JA02GNA Maintenance Manual

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Figure 119. Installing the server cover
After you finish
Proceed to complete the parts replacement, see
"Complete the parts replacement" on page
158.
System board replacement (trained technician only)
Follow this procedure to remove and install the system board. This procedure must be executed by a trained
technician.
Remove the system board (trained technician only)
Follow this procedure to remove the system board. This procedure must be executed by a trained
technician.
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.
About this task
.
Chapter 3
Hardware replacement procedures
149

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