There is no difference between /etc/sensors3.conf in 15.2 & 15.3. Between unloading & unloading the module, there are no additional entries under /sys/class/hwmon localhost:~ # rmmod nct6775 localhost:~ # ls -l /sys/class/hwmon/ total 0 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon0 -> ../../devices/virtual/thermal/thermal_zone0/hwmon0 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon1 -> ../../devices/platform/eeepc-wmi/hwmon/hwmon1 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon2 -> ../../devices/platform/coretemp.0/hwmon/hwmon2 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon3 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.2/0003:046D:C52B.0005/0003:046D:2008.0007/power_supply/hidpp_battery_0/hwmon3 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon4 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.2/0003:046D:C52B.0005/0003:046D:101B.0006/power_supply/hidpp_battery_1/hwmon4 localhost:~ # modprobe nct6775 localhost:~ # ls -l /sys/class/hwmon/ total 0 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon0 -> ../../devices/virtual/thermal/thermal_zone0/hwmon0 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon1 -> ../../devices/platform/eeepc-wmi/hwmon/hwmon1 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon2 -> ../../devices/platform/coretemp.0/hwmon/hwmon2 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon3 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.2/0003:046D:C52B.0005/0003:046D:2008.0007/power_supply/hidpp_battery_0/hwmon3 lrwxrwxrwx 1 root root 0 Jun 30 15:46 hwmon4 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-10/1-10:1.2/0003:046D:C52B.0005/0003:046D:101B.0006/power_supply/hidpp_battery_1/hwmon4