Lenovo ThinkEdge SE455 V3 User Manual page 150

• 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.
Note: Depending on the configuration, the PCIe riser assembly might look slightly different from the
illustration in this section.
Procedure
Step 1. Make preparation for this task.
a. Remove the top cover. See
Step 2. Proceed to the section corresponding to the PCIe riser assembly to be removed:
• "Remove PCIe riser 1" on page 142
• "Remove PCIe riser 2" on page 144
Remove PCIe riser 1
Procedure
Step 1. If applicable, disengage all the GPU power cables from the cable guide of the processor air baffle.
Figure 113. GPU power cables on processor air baffle
Step 2. Disengage the signal cable from the space between the processor air baffle and the chassis.
142 ThinkEdge SE455 V3 User Guide
48.
"Remove the top cover" on page
"Remove the server from the rack"
223.