A USB Bluetooth adapter can be used if your computer does not have Bluetooth built in (check the manual, or look up the configuration online to determine if your laptop supports Bluetooth). Method 1: Right mouse button on the file you want to send ————> Send it to ————>Bluetooth device ----> Method 2: Start ----> all programs -----> accessories -----Bluetooth file send If your computer has a driver but now can not turn on the Bluetooth, first make sure that the computer has a Bluetooth driver (right-click the computer mouse -- device manager, whether there is Bluetooth). Right-click on a computer -- services and applications ---- services --Bluetooth, right click. In use method one or two. If you do not have a Bluetooth driver, download and install the driver from the official website. Once installed, you can use Bluetooth.