If haptic feedback isn't working on your MX Master 4, check the following:

1. Make sure you're using the latest version of Windows 11 that supports haptics (March 2026 release and later).
2. Check that the latest firmware version of MX Master 4 is installed. 
3. If you're using a Logi Bolt receiver to connect your device, the receiver should also be on the latest firmware.

For more information on the MX Master 4 Firmware Update, please see:

• Background Device Firmware Update (DFU) - MX Master 4
• Troubleshoot the Background Device Firmware Update

If you're using a Logi Bolt receiver, use the following steps to update the Bolt firmware:

1. Plug in your Logi Bolt receiver.
   IMPORTANT: The receiver must remain connected throughout the process. Avoid interruptions.
2. Make sure your MX Master 4 is paired with the receiver.
3. Open the Logi Options+ app and click Settings.

4. In the General Settings window, click CHECK FOR UPDATE. 
   You’ll be notified if an update is available.

   

5. Follow the on-screen prompts to apply the updates.