PS/2 Controller Issue

gujuguy007

Senior member
Aug 9, 2001
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So I bought a PS/2 Rosewill Optical Mouse and for some reason it stays turned on even after my computer is turned off. I thought it was the mouse. But this is not the only mouse that does that. I have another Microsoft Optical Mouse that also stays turned on when I plug it into my PS/2 port even afer the computer is turned off. The Microsoft mouse is fine when I plug it in through USB. So I don't think it's the mouse. Could it be a motherboard problem or some controller issue with the PS/2 port?

Note: I have a SHUTTLE MN31L nForce2 IGP.