Dell Inspiron 1501, 1520, 1525, 1530 based on the operating system is running Vista Home Premium Bluetooth connection. Some people try to reinstall the driver CD, but still error. Actually, to solve this problem is the driver of an official address. But to find the right drivers is very difficult. For your information, you need to use the latest drivers for Bluetooth connection to install. And make sure that when your operating system to boot up, turn it over to the Bluetooth hardware to software. You can download the driver here. or you can do a search for "radio BTW-the" key
Then install the drivers and go to Control Panel and configure the desired settings. Start the Dell Inspiron 1501, 1520, 1525, 1530. And now the Bluetooth connection is working properly.