I can feel your frustration and I understand. This is a loaded question and I encourage you to go back to your basics. What is your business model and is it not solving the right problem, or is there not a problem to be solved? Perhaps a shift in the model is needed.
If you have researched your model and it's solid, then some research into your prospects to drill down to the problem you are solving would be helpful. That will inform your value proposition.
Unfortunately, this is an undertaking that won't be an easy answer and you likely would not get a lot of volunteers without paying for consulting. Do you have an advisory board? Have you looked into any of the startup accelerator programs? Those may be additional avenues for help.
This is clearly time to buckle down and invest in your business to find the problem and fix it.
All the best!
-JL