TP-Link UB400 Quick Start Manual page 13

And then check if Allow Bluetooth devices to find this PC has been selected. This item is
unchecked by default. Only after this item is checked, the phone can find the PC.
Q7: Why my PC can't find my Bluetooth devices after UB400/UB4A is installed
successfully? / What should I do if there is no search result after I click Search Again after
a search?
1. Make sure your Bluetooth device is set to be discoverable.
2. Please unplug the UB400/UB4A and reinsert it. Or you can also disable it in the Device
Manager and enable it again.
3. The device that was once paired cannot be scanned again unless you delete it. So please try the
following steps on your PC before another scan: