Razer Synapse 3 Support and FAQs

A recent Windows 11 update (KB5066835 / KB5065789) may be causing this issue. It affects how Razer Synapse 3 talks to your devices, which can stop them from being detected.

See the answer below for more details.

• Razer device is not detected in Razer Synapse 3 after a Windows 11 update

Razer Synapse 3 cloud services will permanently shut down on February 3, 2026. After this date, you will not be able to configure your devices using Razer Synapse 3.

To ensure uninterrupted access to your device settings and profiles, upgrade to Razer Synapse 4 and use the Razer Synapse 3 Profile Migration Tool to transfer your profiles before the shutdown date.

Since its launch in 2017, Razer Synapse 3 has served the community well. As part of ongoing efforts to innovate and enhance the user experience, Razer Synapse 4 has now fully replaced Razer Synapse 3. It delivers improved performance, modern features, and full support for new hardware and all devices previously compatible with Razer Synapse 3.

To focus on future advancements, Razer Synapse 3 and its associated cloud services are being officially retired.

Yes. Razer Synapse 4 is the official replacement for Razer Synapse 3. It offers a refreshed user interface, improved performance, and expanded compatibility with the latest Razer devices. It delivers a more seamless and responsive customization experience for all users.

Razer Synapse 4 is a major upgrade over Razer Synapse 3, delivering faster performance, quicker load times, and a smoother, more responsive interface. It supports all Razer Synapse 3-compatible devices, so you can enjoy the improved experience without changing your gear.

Effective February 3, 2026, Razer Synapse 3 will no longer receive updates or support cloud services. After this date, you will be unable to sync your configurations to the cloud or across PCs with the same Razer ID. Device configuration will continue to work, however no new hardware will support Razer Synapse 3.

To ensure continued support and functionality, upgrade to Razer Synapse 4 and utilize the Profile Migration Tool before the sunset date to transfer your existing profiles.

Upgrade to Razer Synapse 4, and use the Razer Synapse 3 Profile Migration tool to migrate your existing profiles to Razer Synapse 4.

Yes, your installed devices will continue to be configurable in Razer Synapse 3. However, if you uninstall these devices completely, you will need to upgrade to Synapse 4 to continue customization.

No. The installer will be removed from the official website.

No. The customer support team will only assist in the migration process from Razer Synapse 3 to Razer Synapse 4.

Your cloud data will not be accessible once the servers are shut down. To ensure continued access to your configurations, download Razer Synapse 4 and migrate your existing Razer Synapse 3 profiles using the Profile Migration Tool.

Your Razer Synapse 3 profiles will remain available in the cloud until February 3, 2026. Upgrading to Razer Synapse 4 will not remove these profiles from the cloud.

• Software or hardware issue. Resolve the issue by following the steps here.
• USB headset driver error. Resolve the error by following the steps here.
• The device is not supported by Razer Synapse 3. Check whether your device is supported by Razer Synapse 3 or Synapse 2.0 before proceeding.

You can view the video below for instructions or review a copy of the video transcript.

Improve Razer Synapse 3 performance, bug fixes, and new features through updates. See the answer below for more details.

• How to manually check for updates on Razer Synapse 3

Mac OS is not supported in Razer Synapse 3. However, Razer Synapse 2.0 has support for certain devices for Mac OSX 10.6 (Snow Leopard) to Mac OSX 10.14 (Mojave). See the answer below for a list of supported devices in Razer Synapse 3 in Windows.

• Razer Synapse 3 supported devices

No, Razer Synapse 3 does not support configuration of multiple devices of the same model at the same time. 

Razer Synapse 3 Recommendations is a feature that allows you to conveniently discover and explore product offerings from the Razer ecosystem that match their preferences and requirements. To know more about this feature, see  Razer Synapse 3 Recommendations FAQs.

Notifications are not showing while in-game to prevent interruption during gaming sessions.

Razer Synapse 3 requires a minimum screen resolution of 1024x720. For it to work at a lower resolution, restart the application as per Microsoft's recommendation.

1. Launch Razer Synapse 3.

2. Click “SIGN UP” to register for a Razer ID.

3. Confirm your new account.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for more details.

• How to create a Razer Synapse 3 account

1. Launch Razer Synapse 3.

2. Click “REGISTER YOUR RAZER PRODUCT”.

3. Sign in with your Razer ID.

4. Click “PRODUCTS” > “REGISTER A NEW PRODUCT”.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for more details.

• How to register a Razer product in Razer Synapse 3

This is expected behavior and not a bug. The delay is the result of Razer Synapse 3 performing a confirmation check before loading the profiles for games or applications.

1. Log in to Razer ID.
2. Click on your email address under the "ACCOUNT" tab to edit it.
3. Click "SAVE".

You can add your Razer Wi-Fi device to the "Add Other WiFi Device" feature of Razer Synapse 3 to enhance and maximize your experience. See the answer below for more details.

• How to add other Wi-Fi devices on Razer Synapse 3

Create the macro within Razer Synapse 3 and then assign it to any of your Razer Synapse 3-enabled products.

You can view the video below for instructions.

See the answer below for more details.

• How to create macros on Razer Synapse 3

Assign the created macros for your Razer Synapse 3-enabled products.

You can view the video below for instructions.

See the answer below for more details.

• How to assign macros to Razer Synapse 3-enabled Razer products

Yes, recorded macros are like other files which can be exported and imported.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for more details.

• How to export and import macros in Razer Synapse

Yes. Unofficial third-party Chroma Connect apps in Synapse 3 can pose serious security risks. Some may use local file protocol injection, allowing malicious software to compromise your system. To stay safe:

1. Download Chroma Connect apps only from Razer’s official site.
2. Keep your antivirus software up-to-date and running.
3. Never run local file executables prompted by links from Chroma app info pages.

We highly recommend upgrading to Razer Synapse 4 as this issue has been addressed and fixed.

Create and edit your own Chroma effects in Chroma Studio.

You can view the video below for instructions.

See the answer below for more details.

• How to add lighting effects on Razer Synapse 3 Chroma Studio

Customize the Chroma effects using the Effect Settings in Chroma Studio.

You can view the video below for instructions.

See the answer below for more details.

• How to customize a Chroma effect on Razer Synapse 3

Remove the Chroma effect in two ways:

• By removing an entire effect layer

• By removing an effect from a selection or Razer device

You can view the video below for instructions.

See the answer below for more details.

• How to remove a Chroma effect on Razer Synapse 3

Chroma Apps are programs and game integrations that are developed using the Razer Chroma SDK. The Chroma Apps tab allows you to manage each program and set its priority levels.

There is a wide variety of other applications and preset lighting profiles available and you can submit your own creations. See Chroma Workshop for more details.

Custom Chroma lighting effects will start once you launch the game or application. See the answer below for more details.

• How to enable or disable Razer Chroma Workshop Games or Apps

Chroma Connect is a module on Razer Synapse 3 that allows control for all Chroma-enabled apps and third-party hardware devices. See the answer below for details.

• What is Chroma Connect and its partners?

1. Launch Razer Synapse 3.

2. Detect and sync your Chroma-enabled device.

3. Configure the lighting effects.

See the answer below for more details.

• How to use Chroma Connect

1. Launch Razer Synapse 3.

2. Click "LIGHTING" tab on any Razer Chroma-enabled device.

3. Click the "Apply to other Chroma-enabled devices" button.

See the answer below for more details.

•   How to sync Chroma lighting across Razer devices

1. Ensure that Chroma Connect is installed.
2. Confirm that the lighting effects for the Chroma Apps are enabled.

See the answer below for more details.

• Integrated Chroma lighting effects are not working in-game

Below are the Philips Hue devices that work and sync together with Razer Synapse 3 and Razer Chroma integration.

• All Razer Synapse 3-enabled devices 

• Philips Hue

• Philips Hue Go

• Philips Hue Light Strips 

See the answer below for more details.

• Philips Hue in Razer Synapse 3

Change and customize the Chroma lighting on your Chroma-enabled device through Razer Synapse 3.

You can view the video below for instructions or review a copy of the video transcript.

See the answers below for more details.

• How to configure and change the LED lighting color on a Razer keyboard
• How to configure and change the keyboard backlight color on a Razer Blade

Control your computer and the following Razer Chroma device features with your voice:

•     Basic lighting control

•     Chroma lighting control

•     Launch applications

•     Multimedia controls

You can view the video below for instructions or review a copy of the video transcript.

See the answers below for more details

• How to control the RGB lighting on Razer devices using Alexa in Synapse

These are the possible causes why Razer Synapse 3 crashes or fails to start:

• System admin restrictions
• Firewall restrictions
• Corrupted or missing files
• Log-in issue

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for more details.

• How to fix Razer Synapse 3 when it crashes or fails to start

If you encounter the error message “To run this application, you first must install one of the following versions of the .NET Framework:” while installing Razer Synapse 3, follow the steps below:

1. Download Microsoft .NET 4.8 Framework and run the installer.
2. Restart your PC after the installation is complete.
3. Run Razer Synapse 3 installer and follow the installation steps.
4. If you are still unable to install Razer Synapse 3, contact our customer support.

Note: Send the screenshot of the error when contacting customer support.

1. Click on the speaker icon on your system tray.
2. Set the playback device to your active audio device.

See the answer below for more details.

• My Razer device has no sound after Synapse 3 update

1. Uninstall the older version.
2. Download and install the new version on your system.

You can view the video below for instructions or review a copy of the video transcript.

See the answer below for more details.

• How to re-install Razer Synapse 3 & 2.0 on Windows

1. Download the Razer Log Collector.
2. Unzip and run the executable application.
3. Click "Save To".

See the answer below for more details.

• How to gather Synapse 3 logs from a PC

Check if you have any of the following:

• Firewall restrictions
• School or work networks that block Razer Synapse 3
• VPN or Proxy configurations

See the answer below for more details.

• "Network Not Available" error or "Error 3802" when I try to log in to Synapse 3

Since Razer Synapse 3 and Razer Cortex use the same account credentials. Once you log out of one software, the other will require you to sign in again.

Note: If you are unable to log in to Razer Synapse 3 or unable to reset your password, make sure to click the link in the activation email sent to you within seven days. See the answer below for more details.

• Razer ID FAQs

Restart the application twice to clear the login screen's cache. The “Continue as Guest” button becomes available on its next launch and you can use Razer Synapse 3 or Razer Cortex as a guest.

1. Right-click on the Wallpaper Engine in the system tray and select "Settings".
2. On the wallpaper engine settings, navigate to the General tab and click on "Remove High Priority".
3. Click “Yes” on the User Access Control prompt.
4. Restart the system.

See the answer below for more details.

• Resolve issues when running Steam Wallpaper Engine

Ensure that there are no anti-virus software or firewall settings blocking the installation of Synapse 3.

We are aware of existing installation issues with the Smart App Control that comes with newly installed Windows 11 systems. We are currently in discussion with Microsoft for the fix to be made available in a future Windows update. In the meantime, check for Windows updates regularly.

A new device will not light up if its existing lighting is in Advanced Effects. Perform either of the following options on the Razer Synapse 3:

• Click on the "LIGHTING" tab and select the preferred quick effects.
• Go to "CHROMA STUDIO" to apply the preferred lighting on the new device.

Razer Synapse 3 alphanumeric keymapping utilizes the US layout keycode for each character.

Utilize the Key Recording feature when the system keyboard language is not set to US English. This will ensure that the intended keycode is captured for key mapping.

Ensure to disable other RGB software (for example SignalRGB, OpenRGB, and the like) before using Razer Synapse.

See the answer below for more details.

• The Chroma lighting flickers when Razer Synapse is enabled