The build I just put together is unresponsive when hitting the power button, as in no fans spinning, no beeps, no lights. Nothing. I tried booting it without the gpu and ram (and even just one stick of ram) to no effect. I'm not really sure where to go from here. If it helps, here are the specs:
Case: Coolermaster HAF 912
Mobo: ASRock B75M R2.0
CPU: Intel core i3-2100 Sandy Bridge
GPU: Saphire 100358L Radeon HD 7770 GHz edition
PSU: XFX 650w modular P1-650X-XXB9
RAM: G.Skill Ripjaws series 4gb (2x2) ddr3 1600 F3-12800CL9D-4GBRL
HDD: Western Digital WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5"
Case: Coolermaster HAF 912
Mobo: ASRock B75M R2.0
CPU: Intel core i3-2100 Sandy Bridge
GPU: Saphire 100358L Radeon HD 7770 GHz edition
PSU: XFX 650w modular P1-650X-XXB9
RAM: G.Skill Ripjaws series 4gb (2x2) ddr3 1600 F3-12800CL9D-4GBRL
HDD: Western Digital WD Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5"