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Pc doesnt detect third graphic card in device manager

Last response: in Graphics & Displays
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January 13, 2009 1:06:49 AM

I have built a new pc, installed all the drivers, everything went smooth but when i checked my device manager i saw only two graphic cards there so i updated my windows, but the problem is still there, and
when i check the adapter information i get this :




Total graphic memory: 3070
dedicated graphic memory: 1024
system video memory:0
shared system memory: 2046


My system specs:

Gigabyte X58 EXTREME
core i7 920 @ 2.66 ghz
3x GTX 280 XFX XXX
X3 1600 watt PSU
6gb Corsair 1600mhz at defult timings

If anyone has any idea about whats going on i'll be really grateful

Thanks

Anonymous
a b U Graphics card
March 26, 2010 2:27:28 AM

i have the same problem with 3 gtx 260's. Just wondering if you ever solved it.
!