Turns out that you CAN span n monitors but it's just buried/internal and has no UI. I know about this checkbox that says "Use all my monitors" but I can't say just use 1 and 2 but not 3, right? Currently can choose all or 1 but cannot choose for instance 2 of 3 (full screen). Hopefully this will be of some use until microsoft gets it right.I saw this over on the Microsoft Remote Desktop Uservoice Allow ability to choose subset of local monitors for RDP session (full screen)Īllow ability to select a subset of current monitors with full screen. I have found MultiMon which is built for multiple monitors. Only time will be able to tell.Ī Third party software may be useful, but I have not personally used any for this purpose. Also a ticket for the feature has been created officially as well. Please go to the link and request this feature if you feel it is important. Right now however there is a way to request this feature. According to moderators at microsoft's forums: "This behavior is by design and I don't think there is a way to override this functionality except to make sure that both monitors are turned on when you start the system." Pretty lame. You also have to restart the PC afterwards.Īs far as windows 7 goes, it's not possible at the moment. If you want to re-enable TMM feature,set the value data to 1. set the value data to 0 to disable TMM feature in Windows. Right click on the (UseIViewHelper) value and select modify. Using Windows Registry Editor Open Windows registry editor(regedit)Ĭomputer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TMM You can also do it directly from the registry: Logoff and logon, or restart the computer to see the change.NOTE: TMM is enabled by default in Vista. In the middle pane, right click on TMM.In the left pane, expand Task Scheduler, Task Scheduler Library, Microsoft, Windows, and click on MobilePC.It is supposedly only for nvidia cards but may work for others as well.Ī) Click All Programs -> Accessories -> System Tools -> Task Schedular.Ī) Click Administrative Tools -> Computer Management. If you're dealing with Windows Vista you can turn off Auto-Detect through following (note: when it says projector is means your secondary display) Maybe this is too simple, but have you tried just using the windows+p hot key? That works only in windows 7, but is a quick way to extend, duplicate, or select a single screen. If I have a program maximized on the second monitor and it does not have focus, when I switch it will behave like it is minimized and when I bring it back up it will show up maximized on monitor 1.ĭefinitely better than it was, but still looking for a way to disable the auto-detection. If I have a program maximized on the second monitor and it has focus, when I switch it will move to monitor 1. There are however, a few quirks with this. Now, when I use the KVM switch to switch back and forth it will re-enable the second monitor like it should. I plugged one monitor into each graphics card. Update: I just added a second graphics card to my Windows 7 64-bit machine. Is there a way in Windows 7 to disable monitor auto-detection? ![]() How do I fix monitor detection in Windows 7? The following link is the question that comes the closest, but does not provide a solution to the problem. ![]() I have found similar questions posted on this site, but nothing that matches my problem exactly. It looks as though that has been removed in Windows 7. Under Windows XP I would just disable the NVIDIA service to prevent it from auto-detecting the monitor (which doesn't solve the problem under Win7), and in Vista there was a registry hack that would prevent this. ![]() I am continually having to bring up the NVIDIA control panel to have it re-enable the monitor. The only circumstance that automatically re-enables the second monitor is when I switch back after Windows has put the monitors into power save mode. However, when I switch back it does not re-enable the monitor. When I switch to my other computer, Windows 7 disables the monitor. One monitor is dedicated to this machine and the other monitor is connected to a DVI KVM switch. I am currently running Windows 7 Ultimate 64-bit with a dual monitor setup with an NVIDIA 7950 GT graphics card.
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