KVM switch + Windows 7 creates monitor switching nightmare

Anonymous
2009-10-29T16:44:18+00:00

I have a problem with Windows 7 and my KVM switch (Iogear model# gcs1764) which is makes switching via KVM an absolute nightmare.  The iogear KVM does not use drivers nor are any available on their website.

Here's what happens:

I switch from Win 7 (2 monitors) to XP (1 monitor) via KVM.  When I switch back to Win 7 (2 monitors) sometimes Win 7 will throw my desktop to the 2nd monitor (1st monitor goes blank) and opening up display settings only shows the 2nd monitor as existing.  It's as if the 1st monitor is now unplugged which it isn't.  At this point I have to go into display settings, click Detect, and then it re-detects my 1st monitor and "extends" my desktop back out over 2 monitors.  All windows have now been thrown to my 1st monitor and i have to rearrange all my work back across 2 monitors.  This is why KVM switching in Win 7 makes my work life a living nightmare.  This isn't all of it either...

When everything gets thrown to my first monitor, it takes any windows that were maximized and resizes them to about 1/4 my screen size.  Due to compatibility issues between Win 7 and SQL Server Management Studio, Management Studio has a redraw bug that doesn't "re-size" the query window correctly.  So even though I maximize the app, when I start typing in the query window my text disappears about 1/4 the way across the whole window.  The only way to fix this is to save all my work, close the app, and then re-open the app with all my work.  So basically every time I switch computers there's about a 1/5 chance I have rinse and repeat everything I just typed above.  Fun times.

So are there any future fixes planned for this?  I have tried everything and nothing fixes this problem.  I have all the latest Nvidia drivers (my card: Nvidia GTS 250).

Windows for home | Previous Windows versions | Devices and drivers

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  1. Anonymous
    2012-01-18T06:40:29+00:00

    Thanks for this solution. I really appreciate it. This has been maddenly frustrating.

    For three years this thread has been building.

    I talked to James Hu, IOGEAR's Product Development manager. He says that the problem is to be resolved with their new 4-port DualView Mini DisplayPort KVMP Switch due out in April/May 2012.

    I understand that it still requires buying another piece of Hardware to resolve Microsoft's problem.

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  2. Anonymous
    2012-01-18T17:14:14+00:00

    I can't believe in 2012, this is still a problem.

    I have a Macbook Pro and new Windows 7 netbook on a KVM through VGA.  The MacBook does fine.  The Windows machine does all kinds of flipping and switching of windows when I switch off and back.

    I tried all kinds of suggested solutions to no avail.   What appears to finally have fixed it is to go into advanced display settings to pull up the ATI Catalyst Control Center.  I then went to the external display section and turned of EDID detection.  I manually removed the previously detected monitors from the registry.  Windows now reports the monitor as a non-PNP display that I can set to 1920x1080 resolution.  I don't know what it'll do when I reboot and if it'll retain the higher resolution.  But so far, it seems ok when flipping computers with the KVM.

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  3. Anonymous
    2012-02-13T03:42:15+00:00

    2 years waiting for a solution from MS. And the only solution provided by them is "buy a new KVM", when the real solution is "Change the OS". Unbelievable!!!

    I´ve tried everything in this post and other posts. Noting have worked for me.

    The only thing I have to try now is to cut the pin in an extension cable.

    I hope it would work. Let's see.

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  4. Anonymous
    2012-02-13T03:53:16+00:00

    2 years waiting for a solution from MS. And the only solution provided by them is "buy a new KVM", when the real solution is "Change the OS". Unbelievable!!!

    I´ve tried everything in this post and other posts. Noting have worked for me.

    The only thing I have to try now is to cut the pin in an extension cable.

    I hope it would work. Let's see.

    I totally agree, this is really lame BS from Microsoft. I am honestly surprised at their lack of interest in fixing this issue

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  5. Anonymous
    2012-02-13T07:43:57+00:00

    2 years waiting for a solution from MS. And the only solution provided by them is "buy a new KVM", when the real solution is "Change the OS". Unbelievable!!!

    I´ve tried everything in this post and other posts. Noting have worked for me.

    The only thing I have to try now is to cut the pin in an extension cable.

    I hope it would work. Let's see.

    +1

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