3 Easy Methods to Fix BCM20702A0 Driver Error in Windows 11

You can learn why BCM20702A0 driver error appear in Windows 11 and 3 easy methods to fix it as well as how to backup the system after fix the error for better protection. Read on for more details.


by Clytze Updated on October 24, 2022

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Why BCM20702A0 Driver Error Appear in Windows 11?

The BCM20702A0 driver allows several Bluetooth components on your computer to communicate with your operating system. If this kind of error occurs on your computer, you will not be able to use any bluetooth devices such as keyboard, mouse or headset with their system. BCM20702A0 driver errors generally occur due to network-related issues or Bluetooth connectivity issues. In addition, this article also summarizes these common reasons.

  • The BCM20702A0 Bluetooth adapter driver is unavailable or not installed correctly.
  • The driver is not compatible with the system or does not meet the system requirements.
  • Your Windows file or system has the wrong settings.
  • Your driver is outdated, corrupted, or missing.
  • Correct driver installation is blocked by some applications like a firewall.

How to Fix BCM20702A0 Driver Error in Windows 11

Once you understand why BCM20702A0 driver is unavailable, you can read on to learn three useful ways to fix this error. With detailed graphic tutorials for each method, you can follow these steps. Try these methods in turn, I believe there is always a method that can help you fix this error.

Fix 1. Disable or Enable Airplane Mode

You can first try to fix Broadcom BCM20702A0 error in Windows 11 by turning airplane mode on or off. Follow the steps below.

Step 1: Go to Start > Settings > Network & Internet.

Step 2: Turn Airplane mode on or off in the right area.

Airplane Mode

Step 3: Alternatively, you can click the Airplane Mode section to go to its page. There, you can enable/disable Wi-Fi and Bluetooth separately to manage Airplane Mode.

Step 4: Restart your computer.

Fix 2. Troubleshoot Bluetooth

If the first method didn't help you fix the error, next, you can try to fix the BCM20702a0 driver problem using Windows 11's Bluetooth troubleshooting tool.

Step 1: Navigate to Start > Settings > System > Troubleshoot > Other troubleshooters.

Step 2: There, under the Other section, find the Bluetooth column and click the Run button.

Run Bluetooth

Step 3: Then, follow the on-screen instructions to complete the troubleshooting. It will detect and help you deal with your problem. Once it find the cause, just correct the error accordingly. You may need to restart your computer when finished.

Fix 3. Uninstall All USB Controllers and Bluetooth Drivers

Removing all bluetooth drivers or all USB controllers might help you deal with this. You can follow the steps below.

Step 1: Press Win + X together to open the Device Manager in Windows 11.

Step 2: Extract Bluetooth. Right-click on the first Bluetooth driver and click Uninstall device. Then delete the other Bluetooth one by one in the same way.

Step 3: Expand the Universal Serial Bus Controllers section and uninstall all its sub-drivers.

Uninstall Device

Step 4: Restart your machine and Windows will automatically reinstall all removed drivers.

Backup System after Fix the Error for Better Protection

After you fix this problem, you can use your bluetooth and system normally. In order to avoid similar errors making the system unusable again, it is recommended that you back up the system regularly. Free backup software AOMEI Backupper Standard can help you backup your system easily.

You can set different backup frequency, backup method and backup destination according to your needs. It supports multiple Windows operating systems. If you accidentally have any problems with your system, you can use the system backup to quickly restore and use the system normally.

First, you need to download this freeware and install it. If you are a Windows Server user, AOMEI Backupper Server is more suitable for you.

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Step 1. Open the software and click Backup > System Backup.

System Backup

Step 2. It will select system partition and boot-related partitions automatically. And you just need to select a destination.

Select Destination

Step 3. Click Start Backup to backup the Windows system.

Start Backup


  • Options: You can write comments, choose the compression level for your system backup or set email notifications.
  • Schedule Backup: This feature allows you to set the frequency of your backup, such as Daily, Weekly, Monthly, Event trigger and USB plug in. The professional version supports the last two features.
  • Backup Scheme: You can select different backup methods. And you can upgrade to AOMEI Backupper Professional to enjoy the differential backup method which can easily restore your scheduled backup. After the upgrade, you can also enable automatic backup cleanup feature to save disk space.        


This article describes what is BCM20702A0 driver error and why BCM20702A0 driver error appear in Windows 11. If you also encounter this problem, then you can try to fix it with the three methods mentioned in the article. After the repair is complete, you can use your bluetooth and system normally.

To avoid similar errors causing the system to become unusable again, you can regularly backup the system with the free backup software AOMEI Backupper Standard. This way, even if the system accidentally encounters a problem, you can quickly restore from the previously created system backup and use your computer normally.

In addition, this software also provides functions such as File Backup, Partition Backup and Disk Backup to fully protect your computer security. You can download this software to explore more useful functions.

Clytze · Editor
Clytze, an editor at AOMEI Technology, is passionate about safeguarding your digital world. She dedicates her expertise to empower users like you in data security and recovery. She firmly believes that everyone should have the tools and knowledge to protect their digital assets through computer backup, seamless disk cloning, and efficient file synchronization. Clytze is your trusted guide on the journey to data safety.