Symptoms
The system is experiencing a connection issue or a port problem. Use this procedure to determine whether a contaminated cable is the cause.
Cause
There are different reasons why a connection issue is encountered. These can vary from hardware to software related. Most connectivity issues are related to contaminated cables. This procedure focuses on cleaning the connections and this video provides instructions on the cleaning process.
Resolution
Before replacing the optic, follow the procedure in the video for cleaning cables: https://www.youtube.com/watch?v=u1rgjzUQlDU&index=2&list=PL0CFE7365EB8D1577CRU VIDEO AVAILABLE! Dell produced a short video explaining and demonstrating this change.