Anyone else with this laptop experience periodic freezing of the trackpad? A few times an hour when on battery, the entire track pad will freeze for 7-10 seconds and does not respond for mouse movements or clicks. Everything else works and I can scroll using the arrow keys, so its not the laptop freezing. I've downloaded the most recent drivers, but this has been an issue for months now. I think this may be a bigger issue with Lenovo laptops, but curious if anyone has found a solution to this.