hi everyone . i have an dual core pc . but it wont start , no beeps no display, i already tried changing the psu with some good psu that i borrowed and still, it wont start , i even buy a new PSU with 600w, and still did not solve my promlem, i try removing my ram,hdd and dvd rom. only the 24 pin and 4 pin and still nothing happen..can someone hel me out with my problem?