Backplane Assembly And M.2 Drive; Replacement - Lenovo ThinkEdge SE455 V3 User Manual

Complete the parts replacement. See
M.2 backplane assembly and M.2 drive replacement
Follow instructions in this section to remove and install the M.2 backplane assembly, M.2 drive and M.2
backplane.
Remove the M.2 backplane assembly
Follow instructions in this section to remove the M.2 backplane assembly.
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.
a. Remove the top cover. See
Step 2. Remove the M.2 backplane assembly.
a. Loosen the captive screw that secures the M.2 backplane assembly.
b. Pinch the pull tape and the blue touch point, and slide the M.2 backplane assembly
backward to disengage it from the chassis; then, lift the assembly up to remove it.
"Complete the parts replacement" on page
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
"Remove the top cover" on page
225.
195.
"Remove the server from the rack"
223.
.
Chapter 5 Hardware replacement procedures
to ensure that you
121