Before this my pc everything worked perfectly and my system took a short time to boot and "beep" noise and showing me the "welcome" logo of my mobo. But today i got something weird "everything worked perfectly except... my system took a very long time to boot BEFORE the single "beep" noise and showing me the "welcome" logo of my mobo." What happen to my pc? I really don't know..
Not sure whats going on. Some of the newer boards take a little longer to post because of the pre-post diagnostic check. See if this helps, disconnect all devices from the rear I/O and clear the CMOS per board manufactures instructions.