It can be your CPU fan... just remove your casings side panel and unplug all the HDDs DVD/CD ROMs and network or sound cards... just turn the pc on with ur ram cpu and vga... and use a pedestal fan to cool the cpu... so that u will knw whthr its a heat problem.... ehema karalath wada kare nattan wena motherboard ekakata oyage ram vga and cpu gahala balanna wada karanawada kiyala...
eyage gedara machine eka thiyenna ariya eelanga sathiya mama gihin processer eka galawala wosh karanna balapuwama kalla okkoma ekka wosh karala...
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