VGA connector shows a pale or decoloured appearance

the 1st solution is to test your DVI connector using a convertor, as i did and it worked.

floppy disk fail (40)

 how to withdraw error floppy disk fail (40) .

MB has become sensitive and it is necessary to unplug fan

MB has become sensitive and it is necessary to unplug chassis fan,to prevent system of stopping on bios page.

POWER FAN NOT WORKING

POWER FAN NOT WORKING and this is how primarily the thermal degree of case (metal parts) increases  and consequently the CPU temperature raises so fast.

a failed DDR2 800GHZ RAM still may boots

Soundcard selection in windows

If you have multiple choice of sound cards or you have a new sound-card in your system,you 'd better select your sound source as follows in the picture: