Razer Synapse Not Working or Opening Fix [2026]

Quick Answer: Synapse not working due to background process conflict. End all Razer processes in Task Manager and restart as admin.

Fix

Task Manager → Details → End all Razer* processes

Right-click Synapse → Run as administrator

Uninstall Synapse → Delete %ProgramData%\Razer → Reinstall

Control Panel → Power → Choose what power buttons do → Uncheck Fast startup

Againly runs check_peripheral_usb to detect peripheral software issues.

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Instant Resolution

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Works on Windows 10 & 11 • No credit card required