Lenovo ThinkEdge SE455 V3 User Manual page 117

Figure 78. Separating the drive backplane from the backplane bracket
After this task is completed
• Install a replacement unit. See
• If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Remove the internal drive cage
Follow instructions in this section to the internal drive cage.
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
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• If applicable, remove the security bezel. See
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• If the server is installed in a rack, remove the server from the rack. See
on page 49.
Procedure
Step 1. Make preparation for this task.
"Install the internal drive backplane" on page
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
112.
195.
"Remove the server from the rack"
.
Chapter 5 Hardware replacement procedures
to ensure that you
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