Please see our new basic troubleshooting page and advanced troubleshooting page. Sometimes malware such as viruses and trojans will change registry permissions to protect themselves. From the list of items, double click Bluetooth Support Service. Make sure the Internet is connected and working. Message 6 of 7 1, Views. In Windows 8 and later where no driver installation is needed, or in Windows XP, Vista, or 7, after installing the necessary drivers has completed successfully, you still may have problems connecting your devices. Sometimes an overzealous anti-virus or anti-Malware program will block new drivers from installing.
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Many times these programs are very protective of changes in the registry or system files. We have seen some cases where the Bluetooth adapter would not install in computers that had been updated to Windows 8 from Windows 7 without doing a clean install. If Auto was not set, it is a strong indicator that another Bluetooth device has been installed. If drivers were not downloaded automatically by Windows Update, use Device Manager to refresh the driver from Windows Update, or contact broadcom bcm20702 bluetooth 4.0 usb device device manufacturer.
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Many devices require you to hold down a button or switch, or to perform some other action to place the device into discoverable mode. Click Apply and then click OK.
Generally, it is not a good idea to uninstall and reinstall the driver software when there is a problem. Bluetoot it hardware, software or both?
Broadcom BCM20702, Bluetooth 4.0 USB device
We are happy to help! Generally it is good to first start at the top of the file and search for the VID or PID of the adapter, 0a5c or 21e8. Click the Accessibility tab.
It appears that some files that are carried over from Windows 7 are not compatible with Bluetooth in Windows 8. Generally computers with malware will have other issues as well. For each item you wrote down in step 8, type: The driver can not started: If there are many errors, especially since the date and time the device was installed, a deeper investigation into the cause of those errors may reveal the cause of the problem.
Open a command prompt that has administrator privileges. Scroll through the list, looking at each entry there might be a lot of them. On these computers, the driver should be downloaded automatically from the Internet when the adapter is plugged in.
A message above the system tray should indicate that the computer is installing the device. Open Device Manager, and search for broadcom bcm20702 bluetooth 4.0 usb device device under Bluetooth Broadcom bcm20702 bluetooth 4.0 usb device.
If the device could not pair because it was already paired with another Bluetooth device such as a cellphone, it may show up broadcom bcm20702 bluetooth 4.0 usb device this file, but not as being connected. The third level of security is based on the transmitter characteristics of low power and frequency hopping, which helps deter casual eavesdroppers.
Message 6 of 7 1, Views. There are several bluetooyh to search. Discussion Boards Open Menu.
This is possible because Bluetooth drivers and software are working behind the scenes to connect and control all these devices. If the light still does not come on, please contact Plugable. Bluetooth wireless technology unites devices such as PDAs, cellular phones, PCs, headphones, and audio equipment, using short-range, low-power, low-cost radio technology.
To ensure a quick response it would be advisable to post your question in English. If the User Account Control dialog box appears, confirm that the action it displays is broadcom bcm20702 bluetooth 4.0 usb device you want, and then click Yes. Windows 7, 8, and 8.
Troubleshooting the Plugable USB-BT4LE Bluetooth Adapter in Windows – Plugable
If there are other ports on the computer, try plugging into them. If you still see this message when installing from the CD or bluetoith version on the Plugable website, please try the following: What is the significance of the name? These usually indicate more serious issues with Windows Update or the driver installation process beyond just this one installation, which blustooth need to be resolved before proceeding with installing the Bluetooth adapter. For some broadcom bcm20702 bluetooth 4.0 usb device your computer is not seeing the adapter even though it is getting power.