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How to Fix Razer Synapse Failed to Start?

Razer Synapse is an important app for consumers to assist them to configure Razer peripherals, although it does not always work.


Many Windows users have reported that Razer Synapse does not open. If you are one of them, you should try reinstalling the device drivers.

razer synapse failed to start


If Razer Synapse does not launch, make sure you follow the procedures below to safely reinstall this software.

razer synapse failed to start 


Also, if Razer Synapse does not start, you must close Razer processes by following the directions in this post, so continue reading!


Razer Synapse is hardware setup software that allows users to set Razer peripherals, although many customers have reported that it is not working.


Users reported unexpected errors in Razer Synapse, among other concerns, and in today's article, we'll resolve these issues once and for all, so keep reading!


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

  • To launch the window shown in the screenshot below, right-click the Start button and select Device Manager.

How to Fix Razer Synapse Failed to Start?


  • On the Device Manager window, double-click the Mice and other pointing devices, Keyboards, and Human Interface Devices category.

How to Fix Razer Synapse Failed to Start?


  • Right-click all of the Razer devices listed in those categories and choose Uninstall device from their context menus.
  • On the dialogue box window that appears for each Razer device, select the Delete the driver software for this device option.
  • To confirm, click the Uninstall button.

How to Fix Razer Synapse Failed to Start?


  • Unplug all Razer devices that are connected for a few minutes.
  • Then, restart your computer or laptop.
  • After restarting Windows, reconnect the Razer devices. Windows will restore the device drivers automatically.
  • Install the most recent Razer Synapse software. Then, using the setup wizard, reinstall Razer Synapse.

If Razer Synapse does not start on your PC, the problem could be with Razer device drivers. As a result, reinstalling both the Razer device drivers and the Synapse program may resolve the problem.


To ensure there are no unwanted residual files, properly uninstall Synapse with a third-party uninstaller such as IObit Uninstaller 10 Pro.


2. Don’t install Razer Surround with Synapse

  • By pressing the Windows key + R, you may access Run.
  • Enter appwiz.cpl in the Run text box and press OK to open the window shown below.

How to Fix Razer Synapse Failed to Start?


  • To uninstall Razer Surround from Windows, select it and click Uninstall.


If Razer Synaps is freezing or not opening, the problem could be with the Razer Surround module. As a result, uninstalling or disabling the module may resolve the issue.


If you reinstall Synapse as described above, you can cancel the installation of Razer Surround when you log in to your Razer account after installing the program.


When you connect Synapse to the Internet, a feature update notification will appear, which you should cancel. After the setup, click the Razer Surround notification and choose to cancel its installation.


Following that, you can update Synapse and restart Windows. Alternatively, if Razer Surround is already installed, you can uninstall it by following the procedures outlined above.


3. Install the latest Microsoft .NET Framework
How to Fix Razer Synapse Failed to Start?

The NET Framework is a system need for Razer Synapse, and if it is not installed, Razer Synapse 3 may not open. If you already have an older.NET Framework version installed, you may need to install the latest.NET Framework for Synapse 3.0.


Download the latest.NET Framework installation wizard. The installer will then launch, allowing you to install the most recent.NET Framework on Windows.


Also read: Razer Synapse won’t open/ failed to start [Full Fix]

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


  • By hitting the Windows Key + R keyboard shortcut, you may access Run.
  • In Run, type firewall.cpl and press the OK button. This will launch the Windows Defender Firewall Control Panel applet, as illustrated below.

How to Fix Razer Synapse Failed to Start?

  • To open the options indicated right below, click Turn Windows Defender Firewall on or off.

How to Fix Razer Synapse Failed to Start?

  • Then, click the OK button after selecting both the Turn off Windows Defender Firewall radio options.


Third-party antivirus software and the Windows Defender Firewall can both cause Razer Synapse to freeze and cause other problems. Turning off third-party antivirus software and the Windows Defender Firewall may also help Razer Synapse.


Most third-party antivirus programs can be temporarily disabled by selecting deactivate options from their system tray icon context menus. To disable the Windows Defender Firewall, follow the steps outlined above.


5. Close Razer processes

  • Select Task Manager from the menu that appears when you right-click the Taskbar.
  • Then, under background processes, select any Razer processes and click End task to terminate them.

How to Fix Razer Synapse Failed to Start?


After that, exit Task Manager and launch Synapse as an administrator.

If Razer Synapse is not working, several Synapse users have confirmed that stopping Razer processes before starting Synapse 3.0 can assist. Simply follow the instructions outlined above to accomplish this.


6. Check for Windows Updates

  • Click the Type here to search button on Windows 10's taskbar to launch the Cortana app.
  • In Cortana's search box, type the keyword update.
  • Then, in Cortana, select Check for updates to open the window shown below.

How to Fix Razer Synapse Failed to Start?


  • There, you may check for updates by using the Check for updates button.
  • After updating Windows, restart the operating system.


If Razer Synapse will not open, Windows upgrades may be of assistance. Unless you've changed your Windows Update settings, updates are normally automatic, although you might miss a couple.


These are some of the options that will most likely resolve Razer Synapse's inability to open. If you have any more Razer Synapse solutions, please post them in the comments section.


Frequently Asked Questions

How do I open Razer Synapse?

Check out our comprehensive tutorial if Razer Synapse won't open or failed to start, and you'll be able to solve this vexing problem in no time with our helpful remedies.


Why does Razer Synapse not detect my mouse?

Take a closer look at our simple fixes when Razer Synapse isn't identifying your mouse or keyboard, and you'll be able to solve the problem in no time.


How do I fix my Razer Kraken sound?

Follow our step-by-step instructions to resolve the Razer Synapse not detecting DeathAdder or Kraken issue on Windows 10 and continue playing your favourite game.


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