Razer Basilisk v3 side buttons not working. | Razer Insider
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Razer Basilisk v3 side buttons not working.

  • December 5, 2025
  • 1 reply
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I have had a Razer Basilisk v3 for like 4 years and I have shortcuts for both of my mouse side buttons. Yesterday for the first time ever they just completely stopped working. I did everything and nothing worked. Different USB ports, restarted computer, reinstalled razer synapse. I even have a Razer Basilisk v3 Pro and when I plugged it into my pc the side buttons would also not work. I’m thinking its an issue with my pc or with the razer synapse software. Anyone got an explanation?

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1 Reply

Razer.ScarletRouge

Hey there, ​@006071 

I understand that your Razer Basilisk V3's side buttons have completely stopped working, despite having tried basic troubleshooting steps. Please try these additional troubleshooting steps below to help resolve your concern: 

1. Clean the affected button using a can of compressed air.
2. Verify Windows is up to date.
3. Update the firmware on your mouse if it is on the list.
4. Check if a software is causing the issue by closing all Razer apps and software.

Razer Synapse on the system tray

5. If closing Razer Synapse fixed the issue, reinstall your mouse drivers, and perform a clean reinstall of Razer Synapse.

6. Test your mouse on another PC and verify if the issue still exists.


If the issue persists after performing the troubleshooting steps, please send me a private message together with your device's serial number so I can check its details here in our system. Thank you. 


 

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