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Razer Synapse won’t open on my PC [EXPERT FIX]

What can I do if Razer Synapse is not opening?

  1. Reinstall Razer Synapse and Razer device drivers
  2. Don’t install Razer Surround with Synapse
  3. Install the latest Microsoft .NET Framework
  4. Turn off third-party antivirus/ Windows Defender Firewall
  5. Close Razer processes
  6. Check for Windows updates

1. Reinstall Razer Synapse and Razer device drivers

  1. Right-click the Start button, and select the Device Manager to open the window in the snapshot directly below.
    device manager windows 10 razer synapse not working
  2. Double-click the Mice and other pointing devices, Keyboards and Human Interface Devices categories on the Device Manager window.
    keyboard device manager razer synapse not opening
  3. Right-click all the Razer devices listed in those categories, and select the Uninstall device options on their context menus.
  4. Select the Delete the driver software for this device option on the dialog box window that pops up for each Razer device.
  5. Press the Uninstall button to confirm.
    uninstall mouse driver razer synapse won't open
  6. Unplug all the connected Razer devices for a few minutes.
  7. Then restart your desktop or laptop.
  8. Plug the Razer devices back in after restarting Windows. Windows will automatically reinstall the drivers for the devices.
  9. Download the latest Razer Synapse software. Then reinstall Razer Synapse with its setup wizard.

If Razer Synapse failed to start on your PC, the issue might be related to Razer device drivers. Thus, reinstalling both Razer device drivers and the Synapse software can fix the issue.

Note that you should thoroughly uninstall Synapse with a third-party uninstaller such as IObit Uninstaller 10 Pro to ensure there are no leftover residual files.

IObit Uninstaller 10 Pro

IObit Uninstaller 10 Pro

Uninstall any software safely and be sure that no residual files are left behind only with IObiy Uninstaller 10 Pro!

2. Don’t install Razer Surround with Synapse

  1. Open Run by pressing the Windows key + R.
  2. Enter appwiz.cpl in Run’s text box, and click OK to open the window shown directly below.
    remove razer software razer synapse failed to start
  3. Select Razer Surround, and click Uninstall to remove it from Windows.

In case Razer Synaps is freezing or not opening, the issue might be the Razer Surround module. So removing or disabling that module might fix the software.

If you reinstall Synapse as outlined above, you can cancel Razer Surround’s installation when you log in to your Razer account after installing the software.

When you connect Synapse to the Internet, a feature update will pop up that you should Cancel. Click the Razer Surround notification that pops up after the setup, and select to cancel its installation.

Thereafter, you can update Synapse and restart Windows. Alternatively, you can uninstall Razer Surround if it’s already installed, by following our above steps.

3. Install the latest Microsoft .NET Framework

NET Framework is a system requirement for Razer Synapse, and if NET Framework isn’t installed, Razer Synapse 3 might not be opening. If an older .NET Framework version is already installed, you might need to install the latest .NET Framework for Synapse 3.0.

Download the setup wizard for the latest .NET Framework version. Then you can open the installer to add the latest .NET Framework to Windows.

4. Turn off third-party antivirus/ Windows Defender Firewall

  1. Open Run by pressing the Windows Key + R keyboard shortcut.
  2. Enter firewall.cpl in Run, and press the OK button. That will open the Windows Defender Firewall Control Panel applet shown directly below.
  3. Click Turn Windows Defender Firewall on or off to open the options shown directly below.
  4. Then select both the Turn off Windows Defender Firewall radio buttons, and click the OK button.

Third-party antivirus software and the Windows Defender Firewall can also cause Razer Synapse freezing and other issues. So turning third-party antivirus utilities and the Windows Defender Firewall off might also fix Razer Synapse.

You can temporarily disable most third-party antivirus utilities by selecting disable options on their system tray icon context menus. Follow the guidelines above to turn off the Windows Defender Firewall.

This post was written by Matthew Adams and was first posted to WindowsReport

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