Hi, Have you tried right-clicking the Unknown Device and selecting Update Driver Software? What is the make and model number of the Bluetooth mouse? Microsoft Bluetooth Enumerator comes into play when you plug the Bluetooth device without the driver wherein Windows 7 automatically installs its driver. After Windows detect Bluetooth device, it is controlled by Microsoft Bluetooth Enumerator and not the third-party driver. Here's a way to install the bluetooth driver released by the manufacturer to fix problem.
Method 1: Rename the Bth.inf file Rename the%WINDIR% inf Bth.inf file to Bth.bak before you install or reinstall the third-party device or stack. To rename the file, follow these steps: 1.
Initially my bluetooth was working fine but now its been a few weeks i cant access my bluetooth. When i opened my device manager it shows an exclamation mark on Microsoft Bluetooth LE Enumerator and on opening the device's property is shows ' STATUS_DEVICE_POWER_FAILURE (Code 10) - The device cannot start '. Microsoft Bluetooth LE Enumerator driver. Microsoft Bluetooth LE Enumerator driver is a windows driver.
Click Start, click Run, type%windir% inf in the Open box, and then click OK. Right-click Bth.inf, and then click Rename. Rename Bth.inf to Bth.bak, and then press ENTER. Method 2: Install the bluetooth driver 1. Click Start, type devmgmt.msc in the Open box, and then press Enter. Locate the device. Right-click the device and then click Update Driver.
Follow the steps that appear on the screen in the Hardware Update Wizard to specify your own driver for the Bluetooth device. For more help with driver updates, refer: Update a driver for hardware that isn't working properly.