pc powers makes 1 long beep & 1 short then stops and tries again on and on screan is on only shows Intel logo

[lawrencezw]

my pc powers on but wont boot up onli makes 1 long beep & 1 short one screan only shows Intel logo fan is on keyboard on , mouse turns on

 

[spooky2th]

"System board problem"

According to here:
http://www.pchell.com/hardware/beepcodes.shtml