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Windows 7: multiple monitor problems

19 Apr 2010   #1
MKC

windows 7
 
 
multiple monitor problems

Hi

I just bought a new laptop specifically so I could have 3 monitors in total [the one on my laptop plus 2 additional monitors]. The laptop has a video card with 2 ports [one VGA and one HDMI]. I was told I could set up the 2 additional monitors by connecting them to these ports. I have them all set up but can only get one of them to work [so I now have 2 monitors working including the one that is attached to the laptop]. I went to the control panel disply settings and played around with that for quite a while. It shows images of 3 monitors but the 3rd one is grayed out and I cannot get it to work. I can switch between having 1 or the other additional monitor to work but cannot get all 3 to work. It seems to me that all this should be straight forward but its not working for me. Hopefully I have explained all this right. Can anyone help?

THANKS!!


My System SpecsSystem Spec
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19 Apr 2010   #2
mpcrsc562

Windows 7 Ultimate x64
 
 

Are you sure that the laptop can handle 3 displays running at the same time? Maybe to have both external monitors to work, the laptop display may need to be disabled.

This is taken right from Gateways Support page: (Gateway Support - Specifications)

Quote:
Dual independent display support
I take that to mean that the laptop's display is one independent display and it supports another (external) independent display also.
My System SpecsSystem Spec
19 Apr 2010   #3
stormy13
Microsoft MVP

Win 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by mpcrsc562 View Post
Are you sure that the laptop can handle 3 displays running at the same time?
Unless the video is based on the new ATI HD 5xxx series (and even then not sure about on a laptop) it can't support more than 2 displays at a time. Specs for MKC's laptop,

Gateway Support - Specifications

the reason it can only support 2 at a time is the video card only has 2 RAMDAC's on it,

RAMDAC - Wikipedia, the free encyclopedia

so the best you're going to get is 2 of the 3 (either the laptop screen with one of the externals, or both externals).
My System SpecsSystem Spec
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