HELP!! NEW BUILD NO POWER, NO FANS, NO LED'S, NO BOOT, NOTHING!!!
Ok, first and foremost, I went through the 21 step troubleshooting guide and all other first time boot checklists on this site and still nothing. I hooked everything up, I've reversed the pins on the power sw, reset sw, I've used a different outlet, taken out one video card, taken the mobo out of the case and just connected 1 stick of ram 1 video card and trying to hook it up and still NOTHING. I plugged up my power supply and flipped the switch on and used a volt meter and was getting no readings out of the power supply. I don't know what to make of any of this, I'm really stumped. PLEASE HELP!!! Below is a list of my components:
Antec Three Hundred Illusion Black Steel ATX Mid Tower Computer Case - Retail -AMD Phenom II X3 720 Black Edition Heka 2.8GHz Socket AM3 95W Triple-Core Processor Model -G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL - Retail -GIGABYTE GA-MA790GPT-UD3H AM3 AMD 790GX HDMI ATX AMD Motherboard - Retail -Antec EarthWatts EA650 650W -HP 24X Multiformat DVD Burner Black SATA Model 1270i LightScribe Support - Retail -XIGMATEK HDT-SD964 92mm Rifle CPU Cooler - Retail -2 (TWO) SAPPHIRE 100245HDMI Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready -1 Western Digital Caviar Black WD6402AAEX 640GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard
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reversing the pins on a power/reverse switch won't help. Have you simply tried a different perhaps older psu?
get a voltmeter and make sure the 12 volt rail is providing power to the motherboard.