Broke my son's graphics card.

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monkeyskin

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Mar 24, 2013
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I have a power color devil 7870 in my son's computer. I bought him a 3rd monitor for his birthday and tried to surprise him by turning on his right before he saw it. I know now I should have used the mdp port instead of the other dvi with the hdmi and dvi ports. I called power color and they were little help. Any ideas what to look for?
 
Solution
COLGeek
You didn't break anything (I believe). The issue of driving more than 2 displays requires you to use the DisplayPort for one of the displays. Changing your display config so that one of them uses the DisplyPort connection (even if you have to use an active adapter) should solve the problem and allow all three displays to work.
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COLGeek

COLGeek

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Apr 6, 2009
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You didn't break anything (I believe). The issue of driving more than 2 displays requires you to use the DisplayPort for one of the displays. Changing your display config so that one of them uses the DisplyPort connection (even if you have to use an active adapter) should solve the problem and allow all three displays to work.
 
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monkeyskin

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Mar 24, 2013
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Well I retired this card after this. Put it in the top of the closet. I had an idea to pop it in the rig and check again since I have swapped the motherboard since.It appears the 2-DVI ports and the HDMI port have no signal output. The 2 MDP signals work fine.

When this incident took place I had the HDMI and one of the DVI ports populated. When I attached the second DVI cable I heard a pop and the signal went dead to all monitors. I did not have a MDP cable so I assumed the worst and retired the card.

My question now is will it be sufficient as a crossfire card with another or can I operate 3 monitors from the 2 MDP ports that are available.
 
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monkeyskin

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Mar 24, 2013
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My youngest son has a laptop that is not meant for gaming. Is there any eGpu enclosure that will support this card? Im building 2 desktops for my daughters for christmas and funds are tight. If I can find a solution for 2-300.00 it will hold him over until his birthday in June. Is that viable?
 
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dontlistentome

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Sep 5, 2016
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I admit I'm confused by what you are saying, so this might be a dumb question, but why don't you just buy a used 7870 to replace the original one? Are you saying the monitors don't work so a replacement card won't help?

I don't think you'll have luck with a laptop feeding an external GPU unless that laptop was designed with something like that in mind.
 
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