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Author Topic: How do I get Windows 7 to enable my 2nd, 3rd, and 4th gpu?  (Read 1105 times)
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April 27, 2011, 06:48:32 AM

So I found out today that Windows 7 won't initialize (or whatever) GPU's that don't have a monitor plugged into them (explained in more detail here: This causes miners to only see one GPU in my system. Is there any way to fix this without using the dummy plug method in the article above?
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April 27, 2011, 07:02:16 AM

Unless you have enough ports on your monitor to plug them in, or another monitor you can plug them into, that's the easiest way to do it.

Ubuntu Desktop x64 -  HD5850 Reference - 400Mh/s w/ cgminer  @ 975C/325M/1.175V - 11.6/2.1 SDK
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April 27, 2011, 07:45:08 AM

Dummy plugs are not too expensive or hard.

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April 27, 2011, 08:06:12 AM

Dummy plug is the best idea, or you may CF them. 4 CF or 2 x 2CF if they are identical  Wink
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