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Full controller diagnostic lab

Use this combined lab when you want one place to inspect stick centre position, deadzone behavior, digital buttons, analog triggers and browser-visible update activity. For deeper interpretation of one symptom, open the focused diagnostics below.

When to use the full test

You are not sure whether the problem is drift, a button, a trigger or connection behavior.
You want to compare several controller inputs without changing pages.
You need a fast browser-level check before opening manufacturer calibration software.

Measurement limits

The Gamepad API reports what reaches the browser after firmware, drivers, operating-system mapping and the connection layer. GearCheck Lab cannot certify the physical USB report rate or permanently calibrate the controller.

Repeat suspicious readings and compare another connection method or browser before treating one result as a hardware verdict.

Focused controller diagnostics

Stick Drift Test Deadzone Test Button Test Trigger Test Polling Rate Test Calibration Test Connection Test