After a recent Windows 11 update (and with the latest version of Razer Synapse 4), my Razer Tartarus Pro started having a serious issue with the analog stick.
Symptoms:
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The analog stick directions are mapped incorrectly regardless of how they are assigned in Synapse:
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Right input registers as Up
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Left registers as Down
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Up registers as Left
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Down registers as Right
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This misalignment happens consistently when I remap any of the main keys on the device.
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If I create a fresh profile and only map the stick directions, it works initially — but the moment I assign or change other keys, the stick mapping breaks again.
Before the update, the analog stick worked exactly as configured in Synapse and was unaffected by changes to other keys.
Troubleshooting I’ve tried so far:
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Full Synapse 4 reinstall
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Creating a new profile for Tartarus Mapping
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Complete driver removal (including from Windows DriverStore)
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Blocking Windows from replacing the driver via Group Policy
The problem persists in all cases. This makes the analog stick unreliable and effectively unusable in normal use.
Please escalate this to the engineering team — I can provide detailed reproduction steps, screenshots, and system information if needed.
