Even though WiFi and Bluetooth* are designed to coexist in the 2.4 GHz band, the main cause of the issue could be related to interference; however, there are different causes for interference besides your WiFi connection.
Please consider the following suggestions.
- Relocate or turn off other wireless devices that can cause interference, such as: microwave ovens, wireless phones, and cell phones with Bluetooth* or WiFi activated.
- Keep the Bluetooth* device in short distance with clear line of sight of the computer. Solid objects may also cause interference.
- Optimize your wireless router placement; an elevated location in the center of the area with direct line of sight access would be the best.
- Change the WiFi channel in your router to a less crowded one. Some software tools such as InSSIDer* or WifiInfoView* can be used for monitoring activity. If you have a dual band network (wireless adapter and router) try using 5 GHz instead.
WiFi and Bluetooth work well, but I have got problems with Bluetooth transmission when my wireless network card is heavily used.
Besides the troubleshooting steps suggested above, you may also want to try with the latest driver versions: