Lights, Fans but not posting..

I cannot see anything on the screen when I turn on the computer, no loading screen, no startup, all my monitor does is flash the power button. I have not installed any software and it does not have a operating system. Monitor is turned on and the computer is turned on as well, fans are working and so are lights emitting from the optical, USB's work and my keyboard is connected, I try pressing ctrl + alt + delete and the sequence of sounds change as I press them. My monitor is working 100% and I've tried connecting the VGA to my laptop and it works perfectly, I even tried the DVI cable connecting to the tower and still not working.
Here are my parts:

LG 16X DVD-ROM Optical Drive SATA Black OEM

Microsoft Windows 7 Home Premium Edition 64BIT DVD OEM

AMD Athlon II X4 630 Quad Core Processor Socket AM3 2.8GHZ 2MB Cache 95W Retail Box

Antec Earthwatts 650W Power Supply ATX12V V2.2 EPS12V Active PFC 80PLUS 120MM Fan

Antec Three Hundred Mini Tower Gaming Case 300 ATX 3X5.25 6X3.5INT No PS Front USB & Audio

A-DATA Gaming Series AX3U1600GB2G9-2G 4GB 2X2GB DDR3-1600 CL9-9-9-24 Dual Channel Memory Kit

Gigabyte 890GPA-UD3H 890GX AM3 ATX DDR3 2PCI-E 2PCI SATA3 USB3.0 HDMI GBLAN CrossFireX Motherboard

XFX Radeon HD 5770 850MHZ 1GB 4.8GHZ GDDR5 2XDVI HDMI Display Port DIRECTX11 PCI-E Video CARD

Seagate Barracuda 7200.12 500GB SATA2 3.5IN 8.5MS 7200RPM 16MB Hard Drive OEM

Samsung T220HD 22IN Widescreen LCD Monitor 1680X1050 10000:1DC 5ms VGA DVI-D HDMI Component TV Tuner

I've tried all the steps from the sticky, still nothing, please help.. thanks.
4 answers Last reply
More about lights fans posting
  1. 1. Do you have a case speaker? Any beeps?
    2. Did you try breadboarding yet?
    3. Are you absolutely sure everything is connected? EX, 4 pin to MOBO and 6 pin to GPU.
    4. Make sure you're using a DVI cable to connect monitor to GPU, and that monitor is set to receive DVI input.
    5. If all above doesn't work, you need to start swapping out components with known good ones. Start with PSU, then GPU, then RAM, then CPU and MOBO.
  2. 1. No case speaker, no beeps
    2. No I did not because I did not build this myself and I do not want to mess it up
    3. 8 pin to MOBO, 6 pin to GBU check
    4. I tried that, I'll try that again, what do you mean connect it to the GPU? Sorry I'm not very good at this, GPU is that the graphics card?
  3. Yes, GPU (graphics processing unit) is the graphics cards
    By connecting the 6 pin cable to the GPU he means connect the 6 pin PCI-express connector from the PSU(Power supply unit) to the GPU where the plug is located. In this case the power plug of the 5770 is located in front of it
    take a look at this picture
  4. Azn_souja said:
    1. No case speaker, no beeps

    You really need a case speaker, especially for a nonworking system. Otherwise, you are just blindly replacing parts.

    If the system is under warranty, take it back. If you paid someone to build it for you, take it back.

    If you are stuck trying to troubleshoot it, work through all the steps here:
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