Phone restarts repeatedly problem. Can't use phone please help

[ikliomve]

Weirdest thing happened today, I've had my mogul since it first came out and today, it restarted itself.

Okay so no big deal, I figure well I would have probably soft reset myself today anyway. However, after the HTC logo appears and the rom version, radio version, etc appears, the screen goes black and it soft resets again! and again and again. like 10 times before I decided to pull out the battery. Plugged it in the wall, put battery back in, same thing.

Hard Reset this time, no change. Phone will not boot into windows and just restarts repeatedly.

What do you think could have caused this? It was working fine yesterday and nothing happened since then. I bought the phone on eBay to forgo having to renew my contract with Sprint if I upgraded through them and don't have insurance on the phone.

Any type of manufacture warranty or anything? Thanks all.