A user that wants to use a Bluetooth-enabled device brings the device within range of the computer and initiates a connection from the computer to the remote device using the following installation sequence for a client-side profile driver.

If the Found New Hardware Wizard doesn't find an appropriate driver for the device, it prompts the user to insert the profile driver installation media that contains the profile driver's device setup information file (INF file).


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The installation application must communicate with the Bluetooth driver stack to create a service GUID for the functionality to expose. Vendors specify the service GUID in the application and in their device installation INF file.

A profile driver's INF file contains information about a Bluetooth device for client-side installation. For a server-side installation, the INF file specifies a device ID that corresponds to the service GUID created by the installation application. All Bluetooth devices are members of the Bluetooth class. The Bluetooth class installer (Bthci.dll) helps with installing profile drivers.

The Bluetooth driver stack can be restricted to load your profile driver and software to run only on a specific release of a remote device by using Plug and Play IDs in both the remote device and the INF file. Note that the Bluetooth driver stack generates a VID/PID pair only if the device publishes a Plug and Play ID that the stack can detect using SDP. For example:

The Bluetooth driver stack can be restricted to load profile driver and software to run only on a specific local Bluetooth radio by specifying the LOCALMFG tag in the device ID in your INF file. For example:

The only advice available is: check for the latest Bluetooth drivers from the manufacturer and not the Microsoft ones. In my case this is Intel and I have applied the latest drivers from their website.

I'm trying to use the CC2540 USB Dongle as a packet sniffer. It was pre-programmed with the corresponding firmware, but I don't manage to install it on my PC and use it as a sniffer tool. I have already tested with the 2 packet sniffer applications from TI, but it keeps saying there is no driver for it. I found an x86 driver in the sniffer installation folder, but not x64. Installing the BLE stack there are x86 and x64 drivers available but not for this VID/PID (VID_0451&PID_16B3). Is there a 64bit driver for Win 10? Where can I find it?

I can run the CC2540 USB dongle PACKET-SNIFFER v2.18.1 firmware on my Win10 x64 machine. Note that you must install this package since the CEBAL driver used by the packet sniffer is not bundled with the BLE-Stack.

Hi, in the PACKET-SNIFFER v2.18.1 the driver is only for x86 architecture, this is why I have asked here for the x64 driver version. In the meantime there is another answer to my question with the x64 driver version attached, that solved my problem :-)

I updated my Bluetooth driver via Windows update, and in the middle of the update, my mouse stopped working. "Devices" in settings said Bluetooth was turned off, but there was no way to turn it on. I checked Device Manager, and there is no Bluetooth device available. However, there is an "Unknown USB Device (Device Descriptor Request Failed)".

I tried uninstalling the drivers and updating to 22.200.0 from the Intel website, but to no avail. I was also unable to rollback the driver version. Windows Bluetooth troubleshooter also fails to find a Bluetooth device.

I also tried restarting the Bluetooth Support Service under services.msc. No effect. Also uninstalling the "Unknown USB Device (Device Descriptor Request Failed" from Device Manager just brings the device back later, and I'm unable to manually install a driver for it. Platform is Windows 10 64 bit.

OK kudos for this needs to go to ... this is total voodoo but I had exactly the same problem with Asus ROG Strix X570-E Gaming motherboard ... added and removed various versions of driver, disabled and reenabled bluetooth in bios etc. etc. etc - tearing my hair out until this weird fix really did fix it ... so my final steps were:

A Bluetooth Driver is a software program that allows your operating system to communicate with a Bluetooth device. Bluetooth drivers are operating system and device-specific. For example, a Bluetooth adapter requires specific drivers based on the operating system that is installed on the computer, such as Windows 11, Windows 10, or Windows 8 (8.1).

Bluetooth drivers, also known as a Bluetooth stack, are essential for the Bluetooth adapter on a computer to communicate with Bluetooth-enabled devices such as mobile phones, Bluetooth-enabled printers, keyboard, mice, and so on.

An incorrect, corrupt, or missing driver can affect the performance of the Bluetooth-enabled devices such as unable to recognize or identify, unable to pair, intermittent connectivity with Bluetooth-enabled devices.

I am having problems with Bluetooth on my pc not even being visible to turn off and on, it's not showing up in the device manager but if I go to & apps and features it shows there is a driver installed but nothing showing up. When I originally had my PC running on windows 11 my bluetooth was there and working since doing updates that DST has told me to do I performed the latest for my bluetooth to disappear completely.

I have a Intel(R) Wi-Fi 6E AX210 160MHz driver installed for my wireless however no matter what combination I have tried whether it was a fresh install of the drivers (removing them, restarting computer with no internet connection and then installing the drivers manually) which failed and the DST is showing my device drivers as up to date. I have also tried rolling back the driver which did not work and I really do not want to have to fresh rebuild my entire operating system already but I am getting to a loss on how to resolve this.

If such as Bluetooth setting is Enabled/On, we recommend trying a clean installation of both Bluetooth and Wireless drivers. The driver or software for your Intel component might have been changed or replaced by the computer manufacturer, therefore, we recommend trying this first with the customized drivers from Asus* website. Please download and save the following drivers:

I have tried these steps however it seems that every time I uninstalled the driver it wouldn't remove, when it finally removed and stayed removed from the device manager I restarted and checked it hadn't reappeared which it had not, I tried to install the ASUS drivers to which did not even appear to install the devices whatsoever. It literally did nothing when trying to run and running it as administrator. I even restarted the computer to check they didn't need a restart.

I then tried the fresh install of the Intel drivers as advised as the secondary drivers to install. The Bluetooth driver seemed to install however is still not displaying in the device manager (please see attached screenshot of the device manager (this is set to show hidden devices too)) yet it shows installed on the Apps and features (please see attached apps & features) I then tried to reinstall the WIFI driver and it keeps failing to install and no longer lists the device in the device manager.

4- Check Device Manager, if you see entries regarding Wireless and Bluetooth, try to manually remove the drivers following the Clean installation articles: (if you don't see these entries, skip to the next step)

I first of all disconnected from the internet and removed all the intel software listed above with discarding the settings (please see attached apps&features.png) I then rebooted the computer and opened device manager and removed all the wireless drivers and bluetooth drivers until they had completely disappeared and did not show up again. I then cleared all temporary files using check disk and the system temporary files too.

I then restarted my computer and attempted to install the ASUS drivers which did nothing, I then went into device manager and manually added the device driver which gave the following results (please see bluetoothinstall.png). I checked device manager and saw no bluetooth still but decided to try the wireless install which gave the following results (please see WI-FI install.png). however nothing appeared in the device manager after scanning for hardware changes still nothing so I restarted the computer.

I then opened device manager again and noticed that it has installed the device as a "network controller" listed under the other devices (please see attached Other.png) category. I then uninstalled this and repeated the process this time for the intel drivers to which has done the exact same and has now left my ethernet driver showing the above mentioned image ethernet port error.png

When you restarted the computer, did you have internet access completely disabled? If not, you are going to have Windows Update step in and install the same junk as before. You need to ensure this that you have no internet connection until after you have manually installed the various driver packages that you have downloaded.

I have installed the Windows 10 Technical Preview on my mid-2011 MacBook Pro 13-inch. I had been running Windows 7 with no problems. The installation had been done using Apple's BootCamp software. The problem is that, in Windows 10 Device Manager, my Bluetooth USB Host Controller (found in "Other Devices") shows that no drivers are installed. Worse yet, when I click on Properties for the device, I get:

Since W10 is not officially supported, the closest appropriate driver is in Boot Camp Support Software 5.1.5621 package. Can you download and check the Bootcamp.xml and check the version of Broadcom drivers in the package? Do not install it.

BTW with whatever driver I can connect my iMac to my MBP in Windows 10 Bootcamp with Bluetooth without problems, with full pairing and codes exchanged. (BTW2 Keyboard and mouse connect fine to any Mac, just not in Windows 10).

My problem - I've running Windows 10 on my Late 2011 MBP in Bootcamp. I'd upgraded from Windows 7 where I'd been running bluetooth sucessfully. However, the Late 2011 MBP is not supported by Apple for Windows 10 though many people are using it successfully nevertheless. After some fiddling with Windows Services I got my Magic Mouse and Apple Keyboard working okay. However in the past little while, I noticed that I could not connect to my BT speaker or other devices. In fact, the speaker wasn't discoverable, but only on this machine. In the course of taking online advice, I deleted my Magic Mouse from Bluetooth, and then it wasn't discoverable either, and my keyboard had also dropped off for no apparent reason. 9af72c28ce

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