Blank screen on start up

[Cougfamily]

Help,
My computer will not get past the Windows XP(prof)start
up. After the XP runs at start up, the screen goes blank
and my computer has a weird knocking sound. I can't get
the computer to do anything. Is this a "crash"?
Any suggestions?
Thank you

 

[Thorsten Matzner]

My computer will not get past the Windows XP(prof)start
up.

See "Resources for Troubleshooting Startup Problems in Windows XP"
(http://support.microsoft.com/?kbid=308041).