I have a working ECS P4M800PRO-M (V2.0) LGA 775 with a P4 3.2 processor, and i try another processor to its board which is also a P4 3.0 from a HPdc7100 CMT board...and it never boots....and when i returned the original processor it does not boot anymore... no beeps no nothing just a cpu fun running...what is the problem?

Computers & Internet - ATI - RADEON X1650 Pro, (512 MB) PCI Express Graphic Card