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Bitcoin Forum > Bitcoin > Bitcoin Technical Support > 2 cards listed in device manager, only first shows up in GUIMiner
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coldpizza72i (OP)
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June 04, 2011, 02:49:45 PM
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Does anyone have any ideas why my second card wont show up in GUIMiner?
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michaelmclees
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June 04, 2011, 04:27:57 PM
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Make sure you have a monitor attached to it or a dummy plug.  Then extend you desktop to it.  Quit guiminer and restart it.
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June 04, 2011, 05:02:52 PM
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oh, are there any cards that need more than 1 dummy cable?
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June 04, 2011, 06:15:51 PM
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No.  One should be fine, but you'll need to pick that port to extend the desktop, or else Windows will think there's nothing there.
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