I've got a PC that will hang on the Windows XP splash screen when it's "restarted". But if Shutdown cold and then powered on it boots up ok. Is there a way to troubleshoot this? PC is a new Intel H55 ...

I know it is possible, but what software would I need to utilize in order to control a Windows XP box over a LAN (via my laptop). I want to be able to compile, work on, save on, and use the XP box ...