When i connect atx12v1 system restarting

[jinny52]

please help me out when i connect my cpu's 4 pin atx12v1 connector my computer restarts again n again n it doesnt work or boot...
is this motherboard prob or power supply??
n also tell me the solution of this prob...
thnx..

johny

 

[Emerald]

can you list your hardware so we know what we are dealing with.