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Graphics Card Not Detected (R9 280X)

Tags:
  • Graphics Cards
  • AMD
  • Dual
  • Graphics
Last response: in Graphics & Displays
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October 11, 2014 2:50:48 PM

Recently, I've purchased the AMD R9 280x Dual-X by Sapphire, along with a CX 750w by Corsair, and a Rosewill Blackhawk (Blue Edition) Case. I moved all my components to my new case, powered by the CX750. Now, when I plug the card in the PCI x16 slot and plug in the power connectors, no picture. But the fans are still running

I tried restarting the computer. I tried unplugging the power connectors and installing the drivers, then plugging it in again. Nope. I tried using an HDMI on the card's slots. Nothing. I disabled the Intel HD 4000 on-board graphics. Nothing.

So, if anyone can tell me what's possibly going on and provide solid solutions, I'd be over the moon!

Also, I'm going to ask a couple of questions -

Do I use the 4-pin-to-8-pin plugs I got in the card's package, or the power supply's 8-pins PCIs?
Do I need to use the motherboard's or the GPU's graphical inputs?
If I need to use the GPU, can I use a VGA-to-DVI adapter to get the video?
If disabling the HD 4000 doesn't work, can I do something else?

More about : graphics card detected 280x

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a b U Graphics card
October 11, 2014 2:58:00 PM

Answers for questions:

Use the power supply's 8-pins if it has it.
Use the GPU's outputs.
If you have no VGA, a VGA-DVI adapter should work fine.
Check in your BIOS, that's usually where you set whether or not to use onboard or discrete graphics.
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a c 185 U Graphics card
a b À AMD
October 11, 2014 4:23:36 PM

So far I only see these possibilities:

1) Graphics card is defective (try on a different PC if possible).

2) Motherboard is defective:
a) try a different x16 slot on the same board if possible
b) try a different card on your motherboard if possible

3) Power supply is defective:
Try a different power supply

4) *Monitor set to incorrect input:
Access the monitor physically, and make sure you have the right input (DVI, HDMI..)

5) Motherboard BIOS issue:
update the motherboard BIOS to latest
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October 11, 2014 6:14:52 PM

Have you installed the drivers?
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