TP-Link UB400 Quick Start Manual page 8

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Q&A of functional explanation or specification parameters

Updated 12-27-2019 09:33:14 AM 29203

This Article Applies to:

We could possibly encounter various kinds of problems when using UB400/UB4A with

Windows PC. This article aims to teach you how to do the troubleshooting.

Q1: Do you have any installation tips to get this Bluetooth adapter works well?

UB400/UB4A supports Plug & Play on Windows 10 computer. If not, please download the

driver from

the official website

DISABLE the built-in Bluetooth before using UB400/UB4A if your computer has the

built-in Bluetooth.(Open Device Manager and right click on the built-in Bluetooth adapter

of your PC and then click Disable device)

To properly use UB400/UB4A, please remove all third-party Bluetooth driver or program,

especially CSR harmony software.

Q2: My Bluetooth adapter is successfully installed but I cannot see the Bluetooth icon in

the lower right corner of the Desktop

Please follow the below steps to find the Bluetooth icon.

1. Go to Control panel > Network and Internet > Network and Sharing Center

2. Click on Change Adapter Settings. Then right click on the Bluetooth network > Properties

3. Select the Bluetooth tab, select the Bluetooth Setting, and tick up Show the Bluetooth icon

in the notification area.

4. The Bluetooth icon will be recovered and you can see it in the lower right corner of the

Desktop.

Q3: What if my PC can't recognize UB400/UB4A when I plug it in? (There is no Bluetooth

Radios symbol in Device Manager)

and install it manually.