These troubleshooting steps go from easy to more advanced. 
Please follow the steps in order and check if the device works after each step.

Make sure you have the latest version of Windows 10

Microsoft is regularly improving the way Windows handles Bluetooth devices. Check to make sure you have installed the latest updates.

• Click Start, then go to Settings  > Update & Security > Windows Update, and select Check for updates. See Microsoft for more details on how to update Windows. If prompted, you should also include the optional updates related to Bluetooth, WiFi or radio. 

Make sure you have the latest Bluetooth drivers

Computer manufacturers are regularly improving the way they handle Bluetooth devices. Make sure you install the latest Bluetooth drivers from your computer manufacturer:

• Lenovo computers
  1. Click Start, and then go to Lenovo Vantage (formerly  Lenovo Companion), and select System Update. Then select Check for Updates.
  2. If there is an update available, click Install selected. Optional updates are not required but are recommended. Click here for more details on how to update your Lenovo computer.
• HP computers
  1. Click Start, and then go to HP Support Assistant or search for support assistant. If it is not installed you can install it from HP site here. 
  2. In the Devices window, select your HP computer and click on Updates. Optional updates are not required but are recommended. Click here for more details on how to update your HP computer.
• Dell computers
  1. Click Start, and then go to Dell Command | Update and select Check. You can also go to the Dell support page here and scan your system for new updates.
  2. If there is an update available, select Install. Optional updates are not required but are recommended.
• Other computers
  • Check the product support page of your computer manufacturer's website to see how to update your system.

Make sure Bluetooth is turned ON on your computer

Click Start, then select Settings > Devices > Bluetooth & other devices. Make sure Bluetooth is turned ON. If you're using a laptop with a Bluetooth switch, make sure the switch is turned on.

Restart Bluetooth on your computer

1. Navigate to the Bluetooth settings pane:
   • Click Start > Settings > Devices > Bluetooth & other devices.
2. Click on the Bluetooth switch to turn Bluetooth Off.

   

3. Wait a few seconds and then click on the Bluetooth switch to turn Bluetooth On.

   

4. Check to see if the Logitech Bluetooth device is working. If not, go to the next steps.

Remove your Logitech device from the list of devices and try to pair again

1. Navigate to the Bluetooth Settings pane:
   • Click Start > Settings > Devices > Bluetooth & other devices.
2. Locate your device in the Devices list, click on it and select Remove device.

   

   

3. Re-pair your device by following the procedure described here.

Run the Windows Bluetooth troubleshooter

Click Start, then select Settings > Update & Security > Troubleshoot. Under Find and fix other problems, select Bluetooth, and then Run the troubleshooter and follow the onscreen instructions.

Advanced: Try to change Bluetooth parameters

1. In Device Manager, change the Bluetooth wireless adapter power settings: 
   • In the search box on the taskbar, type Device Manager, then select from the menu. 
2. In Device Manager, expand Bluetooth, right-click on the Bluetooth wireless adapter (ex. “Dell Wireless XYZ adapter”, or “Intel(R) Wireless Bluetooth”), and then click Properties.
3. In the Properties window, click the Power Management tab and uncheck Allow the computer to turn off this device to save power. 
4. Click OK.
5. Restart your computer to apply the change.