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Windows 7: unable to add a secondary (extended) monitor

13 Sep 2012   #1

win 7 dark ed, win 8
 
 
unable to add a secondary (extended) monitor

hi,
so i recently bought a dell monitor and i tried using a splitter cable, which worked but it was the same screen which was not the desired outcome.
so i bought [New Galaxy GeForce 8400 GS 512 MB DDR2 PCI Express 2.0 DVI/VGA Graphics Card] and installed in my pc. now both video cards work fine individually but when i try using both to extend my screen windows doesnt detect the secoundary monitor (which is conneceted to the first video card that i had)
what should i do?
thanks


My System SpecsSystem Spec
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13 Sep 2012   #2

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Both monitors must be plugged into one card and the two cards need to be SLi'd or Crossfire connected with the bridge.
unable to add a secondary (extended) monitor-hpim2419.jpg


My System SpecsSystem Spec
13 Sep 2012   #3

win 7 dark ed, win 8
 
 

how can i SLi'd or Crossfire connected with the bridge?
and both video cards have only one slot in them...
My System SpecsSystem Spec
.


13 Sep 2012   #4

windows 7 64 bit and dual boot Pinguyos
 
 

dont think you can sli that card. what are your system specs?.
as for extending the screen, as has been said, both connections need to be on one card, then in screen resolution(right click) change the drop downbox to extended and apply.
My System SpecsSystem Spec
13 Sep 2012   #5

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by razy60 View Post
dont think you can sli that card. what are your system specs?.
as for extending the screen, as has been said, both connections need to be on one card, then in screen resolution(right click) change the drop downbox to extended and apply.
No, all that is required is that both cards are installed and operating properly.
If windows detects both cards, then all you do is go to display properties and click on the greyed out screen then select Extend desktop to this display.



This is my old setup,
Gtx285 ran the middle screen while a 9600gt ran the left and right screens.


My current 6950 card runs all 3 of my monitors now.
My System SpecsSystem Spec
13 Sep 2012   #6

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Hopefully that will work, didn't realize two cards could both be recognized as my bios wants one primary.
My System SpecsSystem Spec
14 Sep 2012   #7

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by linnemeyerhere View Post
Hopefully that will work, didn't realize two cards could both be recognized as my bios wants one primary.
This is my setup from 11 years ago,
My System SpecsSystem Spec
14 Sep 2012   #8

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Hopefully this gets the OP up and running.
My System SpecsSystem Spec
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 unable to add a secondary (extended) monitor




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