Cisco 7000 Series Hardware Installation And Maintenance Manual page 157

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Are any SP (or SSP) and interface processor enabled LEDs on?
— If none of the enabled LEDs are on, first check the RP normal LED, which will be on if the
system booted successfully. The normal LED should be on if the system.
— If the enabled LED on the SP (or SSP) is off, suspect that the SP (or SSP) has pulled away
from the backplane. Turn all system power off, then use the ejector levers to eject and then
reseat the SP (or SSP). (For a description and illustration of the ejector levers, refer to the
section "Online Insertion and Removal Information" in the chapter "Maintenance.") Tighten
the captive installation screws and restart the system.
— If the enabled LED on an individual interface processor is off, suspect that the interface
processor has pulled away from the backplane. You do not have to turn off the system power
to remove and replace an interface processor. Use the ejector levers to eject and then reseat
the interface processor, then tighten both of the captive installation screws. (For a description
and illustration of the ejector levers, refer to the section "Ejector Levers" in the chapter
"Maintenance.") After the system reinitializes the interfaces, the enabled LED on the
interface processor should go on.
If you experience trouble with the startup that is not resolved with these procedures, contact a service
representative for assistance and further instructions.
Troubleshooting the Processor Subsystem
Troubleshooting the Installation 4-9