R9 380 isn't supporting two DVI outputs, but supports one DVI and one VGA

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eggmasher

Honorable
Feb 22, 2012
32
0
10,540
Hello,

I have two identical Acer monitors (G235H) but my XFX R9 380 with Windows 10 is only recognizing both monitors when I have one monitor using the DVI output straight to the graphics card, but I connected a VGA-DVI converter to the other DVI slot on the graphics card and used a VGA cable to connect to the other monitor. I cannot use both monitors using two DVI cables and Windows 10 won't recognize the seconds monitor.

I updated the graphics card but that did not solve the problem.
 
Solution
V
Swap your DVI cables around to see if you have a faulty cable.
Try the DVI monitor that is working on each DVI port one at a time to check these are both working correctly.
Try both monitors one at a time on the working DVI output and DVI cable to check the DVI input on both monitors is ok.
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VincentP

Splendid
Oct 18, 2013
4,105
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26,965
I'm not sure from your post which configuration worked or what configuration did not.
Using two DVI to DVI cables should work fine.
If you are using a DVI to VGA adapter, only one of the DVI connectors on the card will support this. Connect the adapter to the correct DVI output and then use a VGA cable to the monitor.
 
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E

eggmasher

Honorable
Feb 22, 2012
32
0
10,540


Using two DVI cables isn't working. I just did a clean install of windows and installed the newest Radeon drivers, but the second monitor still says "no input" and then goes into standby mode.
 
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V

VincentP

Splendid
Oct 18, 2013
4,105
1
26,965
Swap your DVI cables around to see if you have a faulty cable.
Try the DVI monitor that is working on each DVI port one at a time to check these are both working correctly.
Try both monitors one at a time on the working DVI output and DVI cable to check the DVI input on both monitors is ok.
 
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