I've looked at the ribbon connector and taken it out and refitted it but to no avail. I've just ordered a replacement screen and digitizer and will see what happens with them replaced. thanks for the response
I'm hoping to get some help with this. My switch is running SX OS with auto rcm. I can get the machine to boot with a payload injection via PC but the screen lights but does not display anything. Once the system is running you can touch the screen and hear that it is working by the sounds but...