
Razer Synapse 3
If Razer Synapse fails to detect your Razer device, it could be due to either a software or hardware issue. Another reason is your Razer device may not be supported by the version of Synapse that you are using.
Support Center » Downloads » Razer Software » Razer Synapse 3 » Razer Synapse 3: Razer Synapse 3 Download Details Release Date: Description Supported Operating System. Windows 7 64-bit (x64) Windows 10 64-bit (x64) Version. Supported Languages. Chinese Simplified. Chinese Traditional. A clean installation of Razer Synapse is recommended if you encounter a recurring software issue. Please watch the video for more details on how to accompli.
Before troubleshooting the issue, you have to check whether your device is supported by Razer Synapse 3 or Synapse 2.0.
Razer Synapse 3
The video below shows how to troubleshoot when Synapse 3.0 is not detecting your Razer device:
- Ensure that the device is properly plugged in and connected directly to the computer and not through a USB hub.
- If this is your first time installing a Razer device and/or have just completed an update, please restart your PC and check again.
- If the issue persists, repair Synapse 3. We recommend repairing your Razer Synapse 3 from the Control Panel.
- On your “Desktop”, click “Start” and search for “apps & features”.
- Look for Razer Synapse 3, click on it and select “Modify”.
- A user account control pop up window will appear, select “Yes”.
- Click on “REPAIR”.
- Wait for the installation to complete.
- Restart your PC.
Razer Products use SHA-2 digital certificates for their drivers. If you are using a Windows 7 version that does not support SHA-2, the drivers for your device will not be installed correctly. To fix this issue, you may perform either of the two options below:


- Update your Windows 7 OS to the latest updates through Windows Server Update Services (WSUS).
- Upgrade your Windows 7 OS to Windows 10.
Razer Synapse 2.0
Razer Synapse Lagging
- Check if your Razer device is supported by Synapse 2 (PC or Mac OSX).
- Ensure that the device is properly plugged in and connected directly to the computer and not through a USB hub.
- Check for Synapse 2.0 update. If an update is available, install it and then restart your computer.
- If the issue persists, try a different USB port to check if this is caused by a defective USB port.
- Remove old drivers from the Device Manager.
- On your 'Desktop', right-click on the 'Windows' icon and select 'Device manager'.
- On the 'Top menu', click 'View' and select 'Show hidden devices'.
- Expand 'Audio inputs and outputs', 'Human Interface Devices', 'Keyboards', or 'Mice and other pointing devices' and select all unused drivers.
- Uninstall the drivers of the Razer product by right-clicking on the product name and click 'Uninstall device', and restart your PC.
- Try testing your device on a different computer.
- If the issue persists, clean reinstall your Synapse 2.0.
- Try your device on a different computer.
- If the other computer can detect the device with Synapse or if there isn’t another computer available, clean reinstall Synapse 3 from your primary computer and try again.