i should note that there was some difficulty installing hid-ntrig-dkms -- it complained that it couldn't find /usr/src/hid-ntrig-1.1.5.dkms.tar.gz. I did "sudo apt-get source hid-ntrig-dkms" and then manually moved the resulting hid-ntrig-dkms_1.1.5.tar.gz to /usr/src/hid-ntrig-1.1.5.dkms.tar.gz
i should note that there was some difficulty installing hid-ntrig-dkms -- it complained that it couldn't find /usr/src/ hid-ntrig- 1.1.5.dkms. tar.gz. I did "sudo apt-get source hid-ntrig-dkms" and then manually moved the resulting hid-ntrig- dkms_1. 1.5.tar. gz to /usr/src/ hid-ntrig- 1.1.5.dkms. tar.gz