If none of the above works, your software environment is deeply broken.
You need to reinstall your cIOS using a trusted installer. usb loader gx doesn 39-t load
You need to see exactly what IOS/cIOS you have installed. If none of the above works, your software
Before we begin troubleshooting, it is vital to define what "doesn't load" means in your specific situation, as the causes differ significantly: If none of the above works