Xserve: Won‘t Start Up, Activity Lights Flash Five or Six Times

Symptom

The server does not start up; the activity lights flash five or six times when you try to start the server.



Solution

When the activity lights flash five or six times, this means that the server's ROM may be bad.

Try each of these steps in order, testing in between steps to see if the server starts:

1. Remove the processor module and reinsert it securely.
   
2. Replace the processor module.
   
3. Replace the logic board.

Note: When installing the replacement logic board, make sure the ports and ID button on the back of the board align with the opening in the chassis.