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I have this RS232 USB device that Windows 7 thinks its a mouse. When it's activated the mouse cursor starts to jump to random places on the screen. I want to use this device but I want to disable this strange behavior.

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what is this device ? is it RS232 or USB ? and how did u installed it ? – user8228 Jun 7 '10 at 1:47
@Revolter This is a USB device that receives data that can be read from Hyperterminal (TeraTerm in my case). It is RS232 in the sense that the data is originated from a RS232 to USB conversor. – Jader Dias Jun 7 '10 at 1:56
@Revolter I did not installed any software related to it. It simply works. – Jader Dias Jun 7 '10 at 1:57
up vote 1 down vote accepted


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Yeah, it is listed twice in the device manager, I had to disable the mouse entry as I explained here:… – Jader Dias Jun 7 '10 at 2:04

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