There are only so many places that you can present information about what went wrong. Given that Linux likes to accumulate useful debugging logs, you are at a disadvantage unless you know that they are there.
You are also at a disadvantage if you are unwilling to ask questions like, "How should I find this out?"
You are also at a disadvantage if you are unwilling to put some work in for yourself.
Such is life. But I still think that Knoppix is a good choice for someone who knows nothing because there are so many potential obstacles which will simply be nonissues.
Cheers,
Ben