Your Xorg log is showing that 'Microsoft Microsoft® 2.4GHz Transceiver v8.0' is being added and removed a lot. If that's not true and you are leaving the USB receiver plugged in, then this will be either a kernel bug or a hardware problem.
Please try using a regular wired USB mouse and tell us if that has any similar issues. ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Summary changed: - mouse not working + Microsoft Microsoft® 2.4GHz Transceiver v8.0 repeatedly connecting and disconnecting ** Package changed: xorg-server (Ubuntu) => linux (Ubuntu) ** Summary changed: - Microsoft Microsoft® 2.4GHz Transceiver v8.0 repeatedly connecting and disconnecting + Microsoft® 2.4GHz Transceiver v8.0 repeatedly connecting and disconnecting -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838142 Title: Microsoft® 2.4GHz Transceiver v8.0 repeatedly connecting and disconnecting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838142/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
