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Currently trying to setup a second(maybe a third as well) monitor to my setup.  I was able to do it when I lived at my apartment with the help of a friend but am unable to get it to work again.  My buddy moved out of state and I am feeling pretty shitty that I can't figure this out.  I have my primary monitor hooked up with a DVI to VGA adapter and am trying to setup my second monitor with HDMI.  I have AMD Control Center but it's currently saying I don't have a graphics card? Which is impossible judging as how I had one on this computer yesterday..lol.

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Hi, 

firstly ensure that your primary monitor is plugged into your graphics card and not your motherboard... Both monitors must be plugged in to graphics card ports.  Since you are using VGA rather than DVI I imagine this is likely the issue as most modern gpu's do not offer VGA support anymore and are moving to DVI-D.  Anyway, check that, and if it's not the issue then post your graphics card make and model here as well as what version of windows you are running and I will see if I can help further.

Source: I am a software engineer.

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39 minutes ago, iJezza said:

Hi, 

firstly ensure that your primary monitor is plugged into your graphics card and not your motherboard... Both monitors must be plugged in to graphics card ports.  Since you are using VGA rather than DVI I imagine this is likely the issue as most modern gpu's do not offer VGA support anymore and are moving to DVI-D.  Anyway, check that, and if it's not the issue then post your graphics card make and model here as well as what version of windows you are running and I will see if I can help further.

Source: I am a software engineer.

Well the weird thing is if I have them both connected at the same time and restart my computer, only the monitor with HDMI shows anything, but if I disconnect the HDMI cable and restart my computer without plugging the HDMI back in, it'll show content on the monitor with the DVI cable plugged in.  My computer doesn't detect them both at the same time even when I check to see the drivers, they say they are both up to date.  I'm going out of my fucking mind.

 

If it helps I have my AMD Radeon 7700 graphics card.

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This is even more likely to be what I wrote above.  The PC only uses either your mobo port or your graphics card port.  If you plug into both, only one will show.

5 minutes ago, Logic said:

Well the weird thing is if I have them both connected at the same time and restart my computer, only the monitor with HDMI shows anything, but if I disconnect the HDMI cable and restart my computer without plugging the HDMI back in, it'll show content on the monitor with the DVI cable plugged in.  My computer doesn't detect them both at the same time even when I check to see the drivers, they say they are both up to date.  I'm going out of my fucking mind.

 

If it helps I have my AMD Radeon 7700 graphics card.

I looked up your card, it appears to have a DVI and an HDMI port on the card.  This means that the VGA port you are plugging into is on the Mother board and not on the graphics card.  Remove that cable, remove the adapter, plug into DVI and plug in the HDMI and it should work.

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7 minutes ago, iJezza said:

This is even more likely to be what I wrote above.  The PC only uses either your mobo port or your graphics card port.  If you plug into both, only one will show.

I looked up your card, it appears to have a DVI and an HDMI port on the card.  This means that the VGA port you are plugging into is on the Mother board and not on the graphics card.  Remove that cable, remove the adapter, plug into DVI and plug in the HDMI and it should work.

Mhm I'm about to try that. Do you think it matters that the cable I'm using for my second monitor is a VGA to HDMI cable?

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converting vga to hdmi is non standard, but I think if you get both the DVI and the HDMI ports populated then it will work.  

it's worth noting that you should replace any monitor that has only VGA and no DVI as soon as possible.

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  • 3 weeks later...

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