Anyone notice their bluetooth mouse starting to lag when a download is in process? It lags when I'm downloading torrents and/or when I'm downloading stuff through the web browser. I'm using the Apple Magic Mouse with the default Windows 8 drivers, so this may be an issue with the mouse. EDIT: seems my wifi is causing interference. Both wifi and bluetooth operate on 2.4 GHz so Google says changing wifi to 5GHz fixes the problem. Changing the wireless channel may help if unable to switch to 5 GHz.