Top Cover Replacement - Lenovo ThinkEdge SE455 V3 User Manual

OneCli.exe config set SecureBootConfiguration.SecureBootSetting Disabled --bmc <userid>:<password>@<ip_
address>

Top cover replacement

Follow instructions in this section to remove and install the top cover.
Remove the top cover
Follow instructions in this section to remove the top cover.
S014
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is
authorized to remove the covers where the label is attached.
About this task
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• 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.
• If applicable, remove the security bezel. See
Procedure
Step 1. Remove the top cover.
a. Unlock the top cover with the key that is stored in the key holder on the top cover.
Important: Before moving the top cover, make sure that the keylock is in the unlock position.
Figure 196. Unlock position of the keylock
b. Press and hold on the button and the blue touch point to disengage the top cover.
c. Slide and lift the cover to remove it from the chassis; then, place it on a flat clean surface.
and "Safety inspection checklist" on page 40
48.
"Remove the security bezel" on page
"Remove the server from the rack"
195.
.
Chapter 5 Hardware replacement procedures
to ensure that you
223