Replacing The Led Display - Cisco C880 M4 Service Supplement Manual

4.3. Replacing the LED Display

This component is NOT hot replaceable.
Requirements
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The connected server has been shut down, and the server and the storage subsystem are switched off.
–
The power cables have been unplugged.
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The SAS cable(s) have been removed (after keeping a record for the correct reconnection).
Loosen the knurled thumb screw which fastens the bezel on the left side of
the storage subsystem and remove the bezel.
Figure 3: Loosening the knurled thumb screw of the bezel
14 Operating Manual
4.3Replacing the LED Display