Razer Synapse Not Detecting Mouse/Keyboard: Resolve the Error with 5 Permanent Solutions

Razer dedicatedly manufactures gaming hardware to boost the gaming experience and live by the motto “For Gamers. By Gamers”. These devices come along with software known as Razer Synapse, whose sole function is to configure the peripherals such as keyboard and mouse. However, certain users reported that they are unable to either open Razer Synapse or it completely fails to recognize the mouse as well as the keyboard. If you note the error message “Razer synapse not detecting mouse and keyboard”, then it’s more than obvious that your device is under some technical threat.

There are various reasons due to which this error can appear. The primary reason is software breach. But, the most notable fact is that this problem resurfaces now and then. Thus, refer to this article to resolve this error permanently.

The Underlying Reasons behind Razer Synapse not Detecting Mouse and Keyboard

Before we proceed to the fixes, let us consider the causes behind this issue. This section of the article basically acts as extra guidance so that you can prevent the error in the near future. Let us have a glimpse at the probable causes:

  • If you are using the Razer configuration software on an older version of Windows, then it might not be compatible.
  • If the USB cables that you are using to connect the peripherals, such as mouse and keyboard have any discrepancies, then it can result in a connectivity issue.
  • Often, the Razer Synapse software enters an error state, due to incomplete installation or due to missing of critical files.
  • Further, if you are using an obsolete version of Razer products as well as operating through the obsolete OS, then it can conflict and generate an incompatibility issue.

Summing up all these causes can result in a technical issue. Now, these problems can occur together or maybe one at a time, which subsequently leads to Razer synapse not detecting mouse and keyboard. Most of the tech experts fail to provide a complete solution. But, here in this article, you will learn the hacks that can help you at the earliest.

Essential Fixes for Razer Synapse 3 not Detecting Mouse and Keyboard Issue

At first, let us proceed with the simple hacks, but these tend to vary based on the device model and the intensity of the error. So, try unplugging and plugging back in, the keyboard as well as the mouse. Additionally, you can also verify if the cables are in perfect condition or not. Along with that, also check for faulty ports.

Next, try to reboot the system. First, switch Off the computer, wait for a while and then turn it back On. If this does not help to resolve the error, then the error might not be a minor glitch.

Thus, proceed and apply the advanced methods, discussed in the next section.

Method 1: Reinstall Razer Device Drivers

This method can be counted as the most basic means to eradicate a problem associated with Razer. You can also choose to download an additional tool to uninstall the application. Or, go through the steps mentioned below. But, whatever the pathway you choose, you must ensure that there are no leftover residual files. Now, follow the steps below:

Right-click on the Start menu and from the appearing list locate and select Device Manager. When a new window appears, double-click the “Mice and other pointing devices, Keyboards” option. Next, navigate to the Human Interface Devices Categories on the same window.

Further, select all the Razer devices listed in those categories and right-click to open the drop-down menu. From the Context menu list, choose the Uninstall Device options. You might need to confirm your action through a prompt dialogue box.

Next, you will note that a dialogue box/window appears for each of the Razer devices selected. In each of these dialogue boxes, select “Delete the driver software for this device” option.  Finally, hit the Uninstall button and confirm your action once again. To help the device implement the recent changes, select the Shutdown option and wait for a while. Then, again restart the device and ensure the Razer devices are properly plugged in.  

As soon as the device starts, you will note that Windows will automatically reinstall the drivers for the devices. You can also opt to download the latest drivers from the official website. Simply follow the setup wizard and reinstall the drivers accurately to eliminate the problem.

If the error still persists, then there might be any software module interfering with Razer Synapse. So, the next method can help you out to detect as well as resolve the problem.

Method 2: Remove Razer Surround Module

If you are trying to use the Razer Synapse along with the Razer Surround module, then there is a fair chance that this module might be conflicting with Synapse. And as a result, it is unable to locate the peripherals attached to the device. So, by removing or disabling the module can only help you to fix the problem. Now, here two situations can arise, based on them you have to make the appropriate choice:

Situation A: If Razer Surround is already present

If Razer Surround is already installed, then use the keyboard shortcuts Windows key + R key together to open the Run dialogue box. In the dialogue box, type the command ‘appwiz.cpl’ and hit the Enter key. Otherwise, you can also choose to click on the OK button on the appearing dialogue box. When a new window appears, locate Razer Surround, right-click on it and from the drop-down menu click on the Uninstall button. This will remove the module completely from the device. And alongside will benefit Razer Synapse to easily connect with the mouse/keyboard.

Situation B: If Razer Surround is not installed

Whenever you connect Razer Synapse to the internet, a pop up automatically appears asking you to update the feature. In this process, if the Razer Surround notification appears, then you need to cancel the installation. This way you can install the recent version of Synapse without the fear of downloading Razer Surround unknowingly. Further, reinstallation of Razer Synapse will also disable Razer Surround’s installation.

This way you can easily stop the module from interfering with Razer Synapse and additionally will also mitigate Razer synapse not detecting mouse problem.

Method 3: Reinstalling Razer Synapse

If Razer Synapse either has outdated installed modules or some of them are corrupt/missing, this can lead to situations such as unable to detect the devices. In this situation, you need to reinstall the software once again. Now, to proceed you need to have your account credentials and administrator access. And then, using the keyboard shortcut Windows + R key, open the Run dialogue box and type “appwiz.cpl”. To execute the command hit the Enter key.

A list of results will appear, select the one that leads to the Application Manager. Search for the entry of Razer Synapse and right-click on it. From the drop-down list select Uninstall. Additionally, you need to uninstall Razer Core and all other sub-programs. Now, you need to navigate to C:\Program Files (x86)\Razer and C:\ProgramData\Razer directories.

By holding down the Windows + E key from the keyboard, you can use launch the pathways for the file names mentioned above. Navigate to each of these paths and delete every folder associated with it.

Finally, go to the official website of Razer and download the latest Synapse version. Check the compatibility and other system requirements, before hitting the Download button. After installing the software, restart your computer and plug out all the Razer peripherals. When the computer is fully active and functionally, connect the mouse and the keyboard with the device and try to launch Razer Synapse. All the devices i.e keyboard and mouse will be recognized without any fail.

Method 4: Turn the Antivirus Programs Off Temporarily

This is basically an alternative means of eliminating the Razer synapse not detecting mouse problem. If you are using any third-party antivirus, then it can block Razer Synapse services, which in turn affects the connectivity of peripheral devices such as keyboard and mouse. So, you need to turn Off all third-party antivirus utilities, as well as, the Windows Defender Firewall to start the services back to normal.

Note: You must disable the antivirus applications temporarily, as these are more than essential to keep your device and data safe and secure.

Most of the third-party antivirus utilities can be easily turned off from the system tray itself. Just go to the icon context menus, right-click on them and from the list of options select Uninstall.

Now, to disable Windows Defender Firewall, you need to go through the guidelines:

  • Using the keyboard shortcuts, hold down the Windows key + R key to open the Run dialogue box. Now, in the blank field type ‘firewall.cpl’ and press the OK button.
  • You will notice that the Windows Defender Firewall Control Panel applet appears. Expand the option ” Customize settings for each type of network”.
  • Now, click on “Turn Windows Defender Firewall on or off” and checkmark the box right next to the label “Turn off Windows Defender Firewall”. When the radio button appears green click on OK to save the changes.

Finally, try to use the mouse or keyboard and note if you are receiving any error message or not.

Method 5: Turn Off the Razer Processes

If you note that Razer Synapse 3 not detecting mouse, then it must have a specific reason behind it. Some Synapse users have reported that if too many processes are running in the background that too at the same time, then Synapse gets overloaded. Thus, it can neither detect the mouse or the keyboard.

Hence, closing Razer processes before opening Synapse 3.0, can easily fix the minor technical flaws associated with the software. To proceed you need to navigate to the Task manager. Select all the Razer processes, listed under background processes. Click on each of these processes and click on the End Task option to close them. Now, when you are done with ending the task for each and every process, close the Task Manager window and run Synapse as an administrator.

This process will definitely help you to resolve the problem as soon as possible. But, henceforth remember not to run too many processes at the same time as it can lead to severe error.


What makes the above 5 solutions highly recommendable is the fact that these are more than easy to apply. Even a person who is not at all acquainted with the technical domain can easily execute the steps. This guide even assures you that Razer synapse not detecting mouse won’t bother you in the near future.

If you like this article, then do not hesitate to share your experience through the feedback box. However, if the device i.e mouse and keyboard is still faulty, then it requires immediate replacement.

Frequently Asked Questions:

How do I reset my Razer DeathAdder mouse?

While the Razer DeathAdder is connected to powered-on PC, press and hold the Profile Button for 10 seconds to restore factory default settings. Mouse sensitivity is an internal filter of the driver. The sensitivity settings of 10 are unfiltered at its highest. 

How do I calibrate my Razer mouse?

1. “ADD SURFACE” will appear when you click it.
2. Select Calibration from Synapse by clicking on the mouse. 
3. Choose Razer mouse pad that is closest to the surface you’re working on.
4. “CALIBRATE” will appear when you click on it.
5. To your pleasure, change the lift-off range.
Nathaniel Villa
Nathaniel Villa