I was using my laptop this morning. I went to my banking site and the screen froze then got a black screen. I turn the laptop off and tried to reboot and still get a black screen. I get the Windows logo then it goes to a solid black screen.

Any ideas on what could cause this? It has been working fine until a few minutes ago. I use DSL, WIN XP, have a firewall and AV. Have scanned and no problems as of yesterday.

Thanks.