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I used before many times Logitech m325 with VPCF11 sony laptop windows 8.1

Last time I inserted its usb stick mouse pointer blinked, erratically moved and disappeared. I rebooted machine and it started to work. However after removing its usb stick mouse pointer disappears as though no touchpad was present.

I rebooted, uninstalled and reinstalled alps touchpad driver without any results. In device manager there is no mouse device present when Logitech is disconnected.

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