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I have a new monitor which I'm sharing between two computers: a laptop with Windows 7 (Windows 7 from now on) and a home assembled desktop with Windows 8 Developer Preview (WinDev from now on).

Windows 7 recognizes the monitor resolution of 1920x1080, and many others. Windows 8 Developer Preview doesn't; the best resolution I get on that OS is 1600x1200.

Windows 7 has:

  • Mobile Intel 965 Express video
  • Generic PnP Monitor as monitor #2

Windows 8 Developer Preview has:

  • MSI Nvidia 9600GT with 1Gb RAM video
  • Generic Non PnP Monitor

I'm using Belkin Flip USB to share the monitor between boxes

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Did you install the drivers of the Nvidia card and the Flip device? –  Tom Wijsman Nov 11 '11 at 13:11
    
yes I did, in fact nVidia drivers were installed by the OS after installation but they were from nVidia. –  Eugenio Miró Nov 12 '11 at 0:02
    
The OS doesn't always provide the latest ones, you might want to check the version and download a newer one at Nvidia themselves. –  Tom Wijsman Nov 12 '11 at 0:05
    
This is not from MS, it's from nVidia, and it has the Tray Icon with the Update option from nVidia and it's updated. –  Eugenio Miró Nov 12 '11 at 0:13
    
Yes, it'll always be from Nvidia. But the driver version can differ a lot... –  Tom Wijsman Nov 12 '11 at 0:16
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2 Answers

Given that you have a non-PnP monitor you might want to see how you can add a mode and force to use that mode, you can do this in the Nvidia Control Panel > Change resolution > Customize.

Caution: Only do this if your monitor is known to support the resolution you need.

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Hi Tom, I did this already and could change resolution to 1600x1024 instead of 1600x1200, which is good because the aspect ratio is better this way but it is not the optimal. When I selected 1920x1080 nothing happened, but when I select 1600x1200 or 1600x1024 resolution is changed immediately. –  Eugenio Miró Nov 12 '11 at 0:10
    
Moreover, my 'non-PhP monitor' is recognized as 'PnP Monitor' by Win7 in another machine that's at the other end of the Flip switch, so I think there's a problem with WinDev –  Eugenio Miró Nov 12 '11 at 0:12
    
@EugenioMiró: So, if I got that right it does list the resolution but it doesn't want to load it? Did you click the accept button in the bottom right corner? –  Tom Wijsman Nov 12 '11 at 0:15
    
Yes I did, several times, and after that, when I click 1600x1024, just clicking the option the resolution changes. –  Eugenio Miró Nov 12 '11 at 0:17
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There's a suggestion here to uninstall the NVidia drivers and to allow Windows Update to install the NVidia drivers, as they are substantially different for Windows 8.

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