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I've been using TrackIR 5 on Vista for a while. I installed Windows 7 64-bit sevearl months ago, and have a problem with TrackIR.

I'll often find out when I launch a game that TrackIR is not working. I have to restart the program. The 3d image will be locked up, and it will not work until the program is restarted. Any ideas?

Are you plugging in directly to the system, or are you using a hub?

Have you tried isolating the device on the USB ports?

Have you tried turn off any kind of power save feature for your USB ports?

In the "Device Manager" you can right click the "USB Root Hub"(s), that show, and then select properties. On the power management tab, uncheck the box that allows the computer to turn off the USB port to save power (i.e. uncheck the box). Sometimes that has an impact on the connectivity of the devices.