Windows 7 Dual Monitors - Turning off a monitor causes desktop to rearrange resulting in significant amounts of lost productivity.

I have 2 monitors connected to a nVidia FX 580 card running Windows 7 Pro 64-bit. One monitor is connected via DVI and the other via DP (Display Port).

If I turn off the DP monitor, I hear the windows sound indicating hardware was "removed". When I turn the monitor back on, I hear the new hardware sound, windows re-detects the monitor as if I just installed it, and my entire desktop icon layout and any windows I had open are then all rearranged and takes a significant amount of time re-organizing to get back to where I was.

I leave my PC on 24hrs a day for several reasons - and for years have always just turned my monitors off when not in use.

I need to be able to turn off my monitors without windows deciding that I have "removed" a monitor.

I work for a medical imaging software company where we provide complete hardware and software solutions for use in Radiology departments in hospitals. These systems typically have 3 or 4 monitors connected, all via DP these days. Because of the possibility of the users desktop getting messed up if they happen to turn off a monitor, we are unable to install systems with Windows 7.

While many may see this as nothing more then a inconvenience, this is a show-stopper as far as we are concerned. As of yet I have not found a workable solution to this issue.

So here's the question: How do we disable this new behavior in Windows 7 and allow it to understand that the monitor hasn't gone away and that the desktop should not be rearranged simply because the monitor was turned off?

Thank you.