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Razer Support
mysupport.razer.com › app › answers › detail › a_id › 3783 › ~ › razer-synapse-3-support-and-faqs
Razer Synapse 3 Support and FAQs
Maximize your unfair advantage with Razer Synapse 3, the unified hardware configuration tool that takes your Razer device to the next level. Get access to advanced options and granular control as you rebind buttons, assign macros, personalize device lighting and more. A recent Windows 11 update ...
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Reddit
reddit.com › r/razer › solution for issues reinstalling/installing razer synapse [windows 11]
r/razer on Reddit: Solution for Issues Reinstalling/Installing Razer Synapse [Windows 11]
March 10, 2024 -

TL;DR: If you're unable to reinstall Razer Synapse after an uninstall, try using Chocolatey package manager. It successfully installed Synapse when the standard installer and other methods failed.

Hey r/razer community,

I recently faced a challenging issue where, after uninstalling Razer Synapse, I was unable to reinstall it using the standard installer. The process would start but then abruptly close without any error message or indication of what went wrong. I tried several troubleshooting steps, including cleaning leftover files and registry entries, running the installer as an administrator, and performing a clean boot, but none of these resolved the issue.

Here's what I did to finally get Razer Synapse reinstalled on my Windows machine:

  1. Manual Cleanup: I started by manually removing all Razer-related files and folders from my system, including:

    • C:\ProgramData\Razer

    • C:\Program Files (x86)\Razer

    • C:\Users\[YourUserName]\AppData\Local\Razer

    • C:\Users\[YourUserName]\AppData\Roaming\Razer

  2. Registry Cleanup: After backing up my registry, I removed entries related to Razer from the following paths (please be very careful with registry edits and ensure you have a full backup before making any changes):

    • Computer\HKEY_CURRENT_USER\Software\Razer

    • Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Razer

    • Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

    • Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

  3. Using Chocolatey: When all else failed, I turned to the Chocolatey package manager. Installing Synapse through Chocolatey did the trick when the standard installer didn't work. The command I used was:

    • choco install razer-synapse-3 1.16.0.543 -y

Surprisingly, even though Chocolatey reported that only 1 of 2 packages was installed successfully, Razer Synapse appeared in my list of installed applications. I was then able to open it and update it via Razer Central.

Additional Info:

  • Even if you're installing Synapse for the first time and running into issues, Chocolatey might help.

  • You might want to try installing via Chocolatey right off the bat, skipping the file and Registry deletion steps, as it seems to handle installation issues more gracefully.

Just an FYI for anyone who might be having similar issues - hopefully, it saves you some time and headaches!

Cheers!

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Razer
razer.com › synapse-3-legacy
Razer Synapse 3 - Cloud-Based Hardware Configuration Tool | Razer United States
Maximize your unfair advantage with Razer Synapse 3, the unified cloud-based hardware configuration tool that takes your Razer devices to the next level. for Windows 10, Windows 11 · Faster System Performance.
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Razer Insider
insider.razer.com › razer-support-45 › razer-devices-not-detected-by-razer-synapse-3-on-windows-11-41294
Razer devices not detected by Razer Synapse 3 on Windows 11 | Razer Insider
October 5, 2022 - I uninstalled and installed everything, the devices and Razer Synapse 3.0. The situation has not changed. ... xAnarchyOP I haven´t used Synapse in a while, last time I did was when I had windows 10 installed in my laptop. I later then installed Windows 11 and after 2 months of not using Synapse on W11, I launched Synapse and noticed that none of my devices are detected by Synapse...
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Razer Support
mysupport.razer.com › app › answers › detail › a_id › 1708 › ~ › how-to-re-install-razer-synapse-on-windows
How to re-install Razer Synapse on Windows
Right-click on the Razer Synapse 3 icon and select "Exit All Apps". Uninstall all Razer Synapse programs. Search for "Apps & features" in the Windows search box then click on it.
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Razer Insider
insider.razer.com › razer-support-45 › unable-to-download-synapse-3-on-windows-11-71938
unable to download synapse 3 on windows 11 | Razer Insider
December 30, 2024 - hi I’m creating this thread bc my razer synapse don’t wand to be download on my pc it’s says “installation on progress” or something like that (not in english in my version) and it’s stuck to 9% no matter how long i let it load and the time left is 4 min but I let razer installator ...
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Reddit
reddit.com › r/razer › razer synapse 3 issues on windows 11
r/razer on Reddit: Razer Synapse 3 issues on Windows 11
April 27, 2022 -

I spoke with the support team, and they didn't do anything other than send me and email that can take up to 5 business days, just got new computer which meets all the requirements for the app easily.

I have done Task manager, device manager and removed drivers, uninstalled it and ran program as admin, and I even dropped my McAfee firewall to allow the permissions and still nothing.

Has anyone else dealt with this issue and if so, how did you resolve it?

Find elsewhere
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Reddit
reddit.com › r/razer › razer synapse 3 and windows 11 on arm support
r/razer on Reddit: Razer Synapse 3 and Windows 11 on ARM Support
April 24, 2023 -

I am considering purchasing a Surface Pro 9 on ARM for multiple reasons, but I have several Razer peripherals I would like to continue using and to be able to reconfigure (my Basilisk v3 mice in particular). I tried looking up Razer Synapse compatibility with Windows 11 on ARM and haven't found any information about it (Windows 11 has emulation of x64 apps though). Does anybody here have any experience with Windows 11 on ARM and Razer Synapse 3, does it work properly through emulation or there are some problems?

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Reddit
reddit.com › r/razer › issues with synapse 3 after recent windows update
r/razer on Reddit: Issues with Synapse 3 after recent Windows Update
March 22, 2020 -

Has anyone else had issues with their Synapse 3 after the most recent Windows Update?

Granted before this I already had an issue for a few months where my Synapse 3 wouldn’t launch after a restart/shut down as it would put me in a Razer Central log in loop and wouldn’t actually launch Synapse 3. My work around was to just do a re-install and after it launched, put my PC into sleep mode.

However on Friday after I had put my PC in sleep mode and went to bed, Windows Update decided to go ahead and update despite me telling it not to. I did my usually re-install process but this time it still wouldn’t work. My task manager shows that all the processes are running but the Synapse 3 window never opens.

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MiniTool Partition Wizard
partitionwizard.com › home › partition manager › razer synapse download & install for windows 10/11 | get it now
Razer Synapse Download & Install for Windows 10/11 | Get It Now - MiniTool Partition Wizard
July 19, 2023 - Before you start the Razer Synapse download and installation, you need to know the system requirements of this tool. Here are Razer Synaps 3.0 system requirements: Operating System: Windows 10 64-bit version or Windows 11
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MakeUseOf
makeuseof.com › home › windows › how to fix razer synapse not working in windows 11/10
How to Fix Razer Synapse Not Working in Windows 11/10
October 15, 2023 - You can run Synapse in compatibility mode as follows: If you have a Razer Synapse desktop shortcut, right-click on it and select Properties. Or right-click the Razer Synapse.exe file in the Razer Synapse 3 Host subfolder ...
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Razer Insider
insider.razer.com › razer-support-45 › why-cant-i-install-razer-synapse-62049
why cant i install razer synapse? | Razer Insider
May 11, 2024 - Run the installer as an administrator by right-clicking on the Synapse installer and selecting "Run as administrator" to grant it the necessary permissions for installation. If the Razer Synapse installer failed to install on Windows 11 refer to this link to fix the problem.
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File.net
file.net › process › razer synapse 3.exe.html
Razer Synapse 3.exe Windows process - What is it?
The file Razer Synapse 3.exe is located in a subfolder of "C:\Program Files (x86)" (in most cases C:\Program Files (x86)\Razer\Synapse3\WPFUI\Framework\Razer Synapse 3 Host\ or C:\Program Files (x86)\Synapse3\WPFUI\Framework\Razer Synapse 3 Host\). Known file sizes on Windows 10/11/7 are 3,535,416 bytes (8% of all occurrences), 3,572,488 bytes and 36 more variants.
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CNET
download.cnet.com › razer-synapse-3 › 3000-windows-razer-synapse-3.html
Razer Synapse 3 for Windows - Free download and software reviews - CNET Download
August 27, 2025 - Razer Synapse 3 remains a powerful and versatile tool for users of Razer peripherals seeking centralized customization and control. It offers extensive features that improve device performance and aesthetics. However, its restriction to Windows platforms and occasional stability issues may ...
Rating: 5 ​ - ​ 1 votes
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Razer
razer.com › gaming-laptops › windows-11
Free Upgrade to Windows 11 on Razer PCs | Razer United States
Razer laptops and systems with Windows 10 currently being sold will be able to upgrade to Windows 11. The upgrade rollout plan is still being finalized but is scheduled to begin late in 2021 and continue into 2022.