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Newly assembled computer, no display to monitor from Graphics card

Last response: in Graphics & Displays
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August 21, 2012 6:00:36 PM

I'm new to computers but for the life of me I can't figure out how to get my graphics card to work again.

I bought all of the components for a gaming build computer (new) about a month ago and started assembling the other day. After I put everything together, I installed Windows 7 and shut my computer off after setup finished. Next time I tried to reboot, I get "no display" to HDMI, VGA, or DVI displays.

At first I took the whole computer apart to inspect for damages and loose wires. When nothing was visibly wrong with the motherboard/processor, I reconnected the RAM, GPU, and PSU cables to the motherboard. After searching the forums online for hours on end, I still couldn't find the problem. Next, I took out the video card and let the computer boot with the onboard video card and everything worked just fine. I messed with the CMOS and BIOS settings to allow my computer to detect every kind of card but it still wouldnt detect my GPU. My PSU is 500W, enough to support the motherboard, fans, and GPU no problem. HDD turns on at boot and cd drives work just fine. I highly doubt the GPU is faulty, it worked for the initial boot but refuses to give any signal since then.

Since then I have installed the drivers for the video card I'm using and still no luck. Fans work on the GPU and everything! Just don't get a signal =( Any help/suggestions? I already tried just about every troubleshooter online..
a c 104 U Graphics card
August 21, 2012 6:04:08 PM

To rule out the gpu is defective, could you try it in an other pc ?
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August 21, 2012 6:05:00 PM

I'm using:
Mobo-GIGABYTE GA-Z68X-UD3H-B3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel
RAM-G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Desktop Memory Model F3-8500CL7D-8GBRL
HDD-Samsung by Seagate Spinpoint F3 HD502HJ/ST500DM005 500GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
PSU-SeaSonic S12II 520 Bronze 520W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply
CASE-COOLER MASTER RC-692-KKN2 CM690 II Black Steel ATX Mid Tower Computer Case
GPU-GIGABYTE GV-R787OC-2GD Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support
CPU-Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel
HEATSINK-Thermaltake Frio Overclocking-Ready Intel Core i7 (six-core ready) & i5 Compatible
CD/DVD BURNER-SAMSUNG 22X DVD Burner SATA Model SH-222BB/BEBE - OEM
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a c 291 U Graphics card
August 21, 2012 6:05:20 PM

Mind listing all the specs?
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August 21, 2012 6:08:58 PM

Not at the moment, but seeing as how it is a new GPU and I was just using it on the first boot, how could it possibly not work on the second boot?

Do you think the initial boot uses onboard graphics instead of the PCIE slot?
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a c 291 U Graphics card
August 21, 2012 6:11:49 PM

I'd suggest taking out the GPU and trying to boot with onboard.

And initial boot uses PCIe slot if there's something in there.
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a c 104 U Graphics card
August 21, 2012 6:13:32 PM

Probably not because you connected it the first time also to your card and not to the mobo i think ?

Anyway, chance is slim that is is broken but still, anything is possible with gpu's i learned.

But knowing for sure the gpu works is helpful.
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August 21, 2012 6:19:38 PM

Sunius said:
I'd suggest taking out the GPU and trying to boot with onboard.

And initial boot uses PCIe slot if there's something in there.


It boots just fine with onboard and so it must have booted with my video card once, hmm.

@robjordy- I will try to connect it to another PC when I get home, but I don't know if I have mobos and PSUs at home that could support my card anyways.

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a c 104 U Graphics card
August 21, 2012 6:33:20 PM

A friend maybe ?
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August 30, 2012 5:25:31 AM

Got a new graphics card and it still does not work. Mobo lights stay on until 4 seconds after POST beep then shut off like before. I've been using the desktop I assembled for over a few weeks now and nothing really SEEMS to be wrong..
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August 30, 2012 10:02:23 PM

New graphics card displayed vga when I connected it to my tv with a hdmi cable. I uninstalled the reinstalled the drivers and the new video card worked with dvi and hdmi ports:) 
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August 30, 2012 10:03:07 PM

Best answer selected by Pesmerga7.
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