Lenovo ThinkEdge SE455 V3 User Manual page 154

Figure 120. Placing PCIe riser 2 aside the chassis
After this task is completed
• If necessary, proceed to remove the PCIe adapter. 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 a PCIe adapter
Follow the instructions in this section to remove a PCIe adapter.
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
146 ThinkEdge SE455 V3 User Guide
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
"Remove a PCIe adapter" on page 146.
to ensure that you
195.