Power Supply problem?

[Funnyfudge]

Hi I need help with my legacy build ive done recently. When i insert everything into the motherboard and attempt to turn the computer on. Everything turns on, I can hear the hard drive starting up, the cpu fan boots, a blue led indicating power to the cpu turns on. But I get no display, the graphics card turns on and the fan spins. I have replaced the cpu twice with the xeon x5450 to the intel core 2 duo e6550 to the pentium HT 531. But none work, I have replaced the Hard drive and the motherboard thinking they may be faulty. The only thing I havent changed is the ram and power supply now my ram is brand new 1600 mhz Hyper X ram, the motherboard doesnt support 1600Mhz so I thought it would just downclock automatically? The power supply is 80+ bronze CiT 500w. Any help would be appreciated

 

[Funnyfudge]

Ive also gone through the checklist, other than the power supply bit.

 

[Ironsounds]

Hello... Does your Mb have a graphics out option? Try the monitor there first to see if you have a BIO's setting to change and then use the PCIe GPU.

 

[Funnyfudge]

Hello... Does your Mb have a graphics out option? Try the monitor there first to see if you have a BIO's setting to change and then use the PCIe GPU.

My motherboard does have an internal graphics, but it doesnt boot into post, everything turns on (from what I can here) but nothing displays

 

[Ironsounds]

Hello... You need to manually set the monitor for the Connection type you are using... and No adaptors in-between...
1) What are your cable option from the MB?
2) what is your Video card brand/MODEL?

 

[Funnyfudge]

Hello... You need to manually set the monitor for the Connection type you are using... and No adaptors in-between...
1) What are your cable option from the MB?
2) what is your Video card brand/MODEL?

VGA and DVI for my mb and the graphics card is the sapphire HD 5770