I have a Dell dimension xps t750 PIII with 128mb ram running win98. I am using a Microsoft usb intellimouse w/ intellieye hooked up to the usb port. The computer does not have any mouse hooked up to the ps/2 port but the device manager continually recognizes one there even after I remove it. The problem I am having is the mouse periodically locks up and I must reboot the system to get it back. It may happen at any given time, sometimes it will happen right after a reboot. I have downloaded all driver updates/patches. I have also tried checking my registry to make sure all mouse references are correct and have notified microsoft and have not gotten any response. I have tried all answers given on the knowledge base for Microsoft as well as the one posted on this board. Someone also suggested to disable the ps/2 bios setting so it will not load but neither dell nor ms know what that means. I have checked my bios and there is no location to change mouse/ps/2 settings.Please Help!!!