Two DVI connections to R7850

I used to be running Windows 8 (just switched to Xubuntu), and have encountered some problems with my displays. Before, I was running two monitors. Monitor 1 was running off of my R7850 and monitor 2 ran off my integrated graphics. In my BIOS, I set the primary boot device to be my integrated chip, otherwise it didn't seem like the monitors would work at all.

So, then I tried to hook up both my monitors to my graphcis card. Two DVI connections. Didn't work, I set my primary graphics device to be my graphics card and nothing showed up. Xubuntu doesn't detect my primary monitor, so I have a problem.

Is there anyway to run two monitors off my R7850?
8 answers Last reply Best Answer
More about dvi connections r7850
  1. you should be able to
  2. Most cards that have dual DVI outputs only have one that is DVI-I. The other is strictly DVI-D. So only one will produce analog VGA with an adapter.
  3. So what exactly do I need to do? What kind of adapter do I need? Sorry, this is my first time trying this, and I'm completely lost.
  4. I just re-read your post and realized you are running Xubuntu. I'm not familiar with that, so I will have to bow out rather than give you wrong information.
    But if you look at your gfx card, one of the DVI ports has 4 holes around flat blade. That's the DVI-I port. The 4 holes are for the analog signal (VGA). You can use that port with the DVI to VGA adapter that should have come with your card if you want to run one monitor with VGA input instead.
  5. Alright, I just figured out my video card has both -I and -D DVI ports. I have a adapter (VGA - DVI), and I have a DVI cord and a VGA cord. Basically, I can plug both monitors in. However, when I do, my second monitor (running on the DVI - D), doesn't "work" in Windows desktop manger - thingy. It shows up, but won't let me extend the display. Do I need to buy an adapter to plug both my monitors into one DVI port? Or can I plug both in at the same time?
  6. No, you should be able to run each monitor off its own output port on the card. I used to have 3 monitors running at once from the same card. HDMI, DVI, and VGA.
  7. Its just not working! Can you take me through step by step what I should do please?
  8. Best answer
    It might be an issue with Xubuntu, which I'm not familiar with. If you can't get a display with one monitor connected HDMI to HDMI, one monitor connected DVI-D to DVI-D, and one monitor connected DVI-I/adapter to VGA, (with each monitor set to receive its appropriate type of signal, then perhaps post the question on the Linux forum:
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