Problem is, you often don' t know it until you've gone to a lot of trouble. You may not know which piece of equipment is causing the problem. So you start over. Log phone time with tech support. See the doc for blood pressure pills.
Users are notorious for trying to foist their problems off on someone else.
Call the manufacturer's tech support. Try to work through the problem with them. At some point, it'll be clear you paid for a lemon. I've linked a great article from Computer Life that leads you through consumer complaint processes, from understanding warranty information to when it's time to call a lawyer. It also contains a wealth of information on where to go on the Web for consumer rights info.