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HD Radeon 7770 Dual Monitor Help

Last response: in Graphics & Displays
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July 8, 2013 7:31:12 PM

Hello! I recently purchased my very own computer! I have set it up and everything is running great! I have two monitors, both use vga, but it only has one vga connection area, and one DVI connection. So I bought a DVI-A adapter so that I can use both. When I plugged the adapter in it would not detect both monitors. Just the one put into the Vga slot. I am not sure if this is because my graphics card is only capable of one monitor at a time or not. Please help me figure this out!
a b C Monitor
July 8, 2013 7:33:18 PM

That gpu can run 2 monitors, whats your specific 7770?
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a b C Monitor
July 8, 2013 7:37:32 PM

We need to know what card you have. If the DVI port is DVI-D then a dvi to vga adapter won't work it requires an expensive converter to convert the digital signal into an analog signal.
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a b C Monitor
July 8, 2013 7:38:31 PM

Its capable of more than 2 monitors actually, BUT for a dual monitor setup you can't run 2 VGA monitors, you need at least one digital(DVI, HDMI, Display port) monitor.

You can buy an expensive active converter, but you may as well buy a DVI monitor for a little more.
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a b C Monitor
July 8, 2013 7:40:40 PM

Gam3r01 said:
That gpu can run 2 monitors, whats your specific 7770?


That GPU can run THREE monitors. It can run ONE VGA monitor just like most modern GPUs because VGA is rarely used and almost never used in multimonitor. It's a waste of money to support it since no one would use it.

The DVI connection is most likely DVI-D, but even If DVI-I there is only one analog clock. You can only run 2 with a displayport to VGA connector.
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a b C Monitor
July 8, 2013 7:42:57 PM

unksol said:
Gam3r01 said:
That gpu can run 2 monitors, whats your specific 7770?


That GPU can run THREE monitors. It can run ONE VGA monitor just like most modern GPUs because VGA is rarely used and almost never used in multimonitor. It's a waste of money to support it since no one would use it.

The DVI connection is most likely DVI-D, but even If DVI-I there is only one analog clock. You can only run 2 with a displayport to VGA connector.

I meant it can run his 2 monitors. I know it can run more, he was asking if it could run 2, so thats what i meant.
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a b C Monitor
July 8, 2013 7:45:10 PM

Gam3r01 said:
unksol said:
Gam3r01 said:
That gpu can run 2 monitors, whats your specific 7770?


That GPU can run THREE monitors. It can run ONE VGA monitor just like most modern GPUs because VGA is rarely used and almost never used in multimonitor. It's a waste of money to support it since no one would use it.

The DVI connection is most likely DVI-D, but even If DVI-I there is only one analog clock. You can only run 2 with a displayport to VGA connector.

I meant it can run his 2 monitors. I know it can run more, he was asking if it could run 2, so thats what i meant.


He was asking if it could run HIS two monitors... It can't. Almost zero modern GPUs can.
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a b C Monitor
July 8, 2013 7:46:56 PM

unksol said:
Gam3r01 said:
unksol said:
Gam3r01 said:
That gpu can run 2 monitors, whats your specific 7770?


That GPU can run THREE monitors. It can run ONE VGA monitor just like most modern GPUs because VGA is rarely used and almost never used in multimonitor. It's a waste of money to support it since no one would use it.

The DVI connection is most likely DVI-D, but even If DVI-I there is only one analog clock. You can only run 2 with a displayport to VGA connector.

I meant it can run his 2 monitors. I know it can run more, he was asking if it could run 2, so thats what i meant.


He was asking if it could run HIS two monitors... It can't. Almost zero modern GPUs can.


Any modern gaming card, sadly, that is true.
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a b C Monitor
July 8, 2013 7:48:30 PM

Since it appears to be a standard amd gpu, you need 2 monitors with 2 different inputs. So a vga and dvi, or dvi and hdmi ect.
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a b C Monitor
July 8, 2013 8:13:18 PM

Gam3r01 said:
Since it appears to be a standard amd gpu, you need 2 monitors with 2 different inputs. So a vga and dvi, or dvi and hdmi ect.


2 DVIs would work perfectly fine. Its about the signal output, not the connectors. 2 digital or 1 analog and one digital.
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July 8, 2013 9:42:22 PM

I solved it, thanks to you guys! I decided to return the VGA and Adapter, and get a DVI-D to HDMI adapter, along with an HDMI cable. It works like a charm! Thank you all very much!
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