Monitor Auto-Detect

Is there a way to stop windows from automatically turning off and/or deciding that it wants to re-prioritize which display is primary.
I cant understand why windows keeps choosing to ignore my Samsung SyncMaster SA300 monitor anytime I hook up my LCD TV.
I don't mind that it detects the displays, but I sure am not a fan of when it decides without my permission to just change things around.
Is there a way to disable it from doing any changes without my authorization? If not I can see this being used as an exploit sometime in the future.
Edit: Also I may as well post that I have used this same machine with all the same hardware with no issues using Vista Ultimate x64 for a number of years. But as soon as I upgraded to Win 7 Ult x64 this issue has been a major plague on my system.
System:
EVGA 780i Mainboard
Intel q9650 Core2quad
8gigs ocz reaper 1333
x2 EVGA GTX 260 SLI
750w Corsair PS

Hi,
This issue can be caused by graphic card driver or graphic card manager program.
I suggest you update the graphic card driver from manufacturer's website and graphic card manager program if there is.
Kate Li
TechNet Community Support

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