Maybe take a look at this thread, there is a factory restore tool.
It may help if the problem is at OS level, so wrong data at the wrong position.
I haven't really heard about similar problems, but my friend's Pro1 went into a very similar state.
He was speaking with somebody, then put it on a table and the next time he wanted to use it, it was black.
It did not have charging indication (however, it was slowly charging).
Holding down power button has restarted it (still no sign) and its software was automatically falled back to EDL mode (after about 10-15 minutes), so factor