Building a Custom Gaming Desktop - First Time Will Not Start

Hello, I am currently building a gaming desktop and have ran into an issue of starting up, when I power it up an LED on the motherboard blinks and each blink gives me a single beep. According to the manual this signals that VGA is detected, quickboot is deactivated, and that no keyboard is detected. I have a keyboard plugged in and there is no start up on my PSU or anything for that matter. The only thing working is the LED and nothing starts up and when the button of my case is hit there is no activity. Here are my specs:
NZXT Tempest ATX Mid-Tower Case - Clear Sides, Front USB, eSATA Ports

ASUS Sabertooth X58 Motherboard - LGA 1366, Intel X58, SLI Ready, CrossFireX Ready, Triple Channel DDR3 support, SATA 6GB/s, USB 3.0

Corsair CMP12GX3M3A1600C9 Dominator 12GB PC12800 Triple Channel RAM - 1600MHz, 3x4096MB, 9-9-9-24, Unbuffered, Non-ECC

EVGA 01G-P3-1373-AR GeForce GTX 460 SuperClocked Video Card - 1024MB GDDR5, PCI-Express 2.0, Dual DVI, Mini HDMI, SLI, DirectX 11, Fermi w/Limited Lifetime Warranty with Registration

Intel Core i7 950 Processor BX80601950 - 3.06GHz, 8MB L3 Cache, 4.8GT/s QPI, HyperThreading, Quad Core, Bloomfield, LGA 1366, Retail, Fan

Ultra X4 750-Watt Modular Power Supply - 135mm Fan, ATX, Lifetime Warranty w/ Registration, 80+ Bronze, NVIDIA SLI & ATI Crossfire Certifications, Vibration Dampener Included

Seagate ST31000528AS Barracuda 7200.12 Hard Drive - 1TB, 7200 rpm, 32MB, SATA-3G, OEM

Samsung TS-H663B Internal DVD Writer - DVD+R 22X, DVD+RW 8X, DVD-RW 6X, DVD-RAM 12X, CD-R 48X, OEM

Also this is my first build so I do not know too many troubleshooting techniques etc.
5 answers Last reply Best Answer
More about building custom gaming desktop time start
  1. Disconnect all SATA interface cables, all drive molex inputs/ribbons, etc...

    Drop to a single stick of RAM...

    Ensure your MB connections are right, including 24 pin power, and, including lines to reset and Pwr Switches, and, cpu aux power lines/inputs to MB, CPU fan connections... Make sure video card has it's aux power input as required, normally from PSU straight into video card...

    Try another keyboard, and, make sure you've not accidentally plugged any PS2 keyboard into the old mouse connector!
  2. Best answer
  3. I have tested the keyboard on two different PCs. I currently am going out of town for three days but I have a trusted friend who will go over to my house I'l forward all of the possible solutions to him and post all of the progress.
  4. Best answer selected by albinoshadow.
  5. Thanks guys! Got it working, the link rolli59 had posted told me my problem, I forgot to seat the motherboard >.< It's all good and everything is installing - Thanks again!
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