The latest BIOS update for T450s contains: * (Fix) Fixed an issue related to WWAN lost when USB3.0 enabled.
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t450s/downloads/ds102109
I haven't updated my bios yet, but I tried to disable USB 3.0. Unfortunately it did not help much. Card appears randomly after reboot and removing modules does not help.
The latest BIOS update for T450s contains:
* (Fix) Fixed an issue related to WWAN lost when USB3.0 enabled.
http:// support. lenovo. com/us/ en/products/ laptops- and-netbooks/ thinkpad- t-series- laptops/ thinkpad- t450s/downloads /ds102109
I haven't updated my bios yet, but I tried to disable USB 3.0. Unfortunately it did not help much. Card appears randomly after reboot and removing modules does not help.