First of all let me say this is my new favorite forum....computerforum.com wasn't much help and it took me until now to notice it
. I'm just gonna copy and paste what I said there.
I have been having computer problems for a while now, and I couldn't figure it out so I just let it go. First my PC will start up automatically like 10 seconds after I shut it down sometimes. Also sometimes it will show the windows loading screen and after that it will go to a black screen (and never boot XP). Most of the time all I have to do is turn off the computer and try again, but sometimes I have to go into safe mode and return to a previous state with the system restore thing before it will work again. Keep in mind that this happens at random times. There were times when I hadn't installed, downloaded, or messed with anything (other than running games and firefox) for weeks and it still happened. So today I used google and came up with a few things that might help so I restart my pc and go into BIOS and my keyboard won't work at all, which is weird since it needs to recognize my keyboard to get into BIOS. I'm thinking its a bad motherboard, but I want to ask here before I go to all the trouble of getting a new one.
Also one more bit to add. Sometimes xfire and any game that I happen to be playing at the time will work with the internet but firefox (and I think other browsers) won't work until I restart. My computer is very odd and I don't know why...thanks in advance for helping.