Bought a dp55wb motherboard with a i5 processor. Installed them in to the case, droped in the video card. connected the power supply, hit the on switch, The CPU fan spins the hard drives spin up but we have NO VIDEO OUTPUT ! REPLACED the video card, then the ram, then the motherboard, power supply and the processor with the same result. The system consist of DP55WB MB, TWO 1 GIG STICKS OF HYPER X DDR3 RAM 1.65V, I5 DUAL CORE PROCESSOR, RAIDMAX POWER SUPPLY, NVIDIA 8400 VIDEO CARD.