Online Mouse Test & Clicks & Scroll Verification
Check left, right and middle clicks, scroll wheel rate and precision of optical sensor or laptop touchpad.
No special browser permission is required.
What is the Mouse Test and How Does It Work?
Micro-switch Detection
Verifies instantaneous electrical response of left, right, middle (wheel), and side navigation switches without operating system interference.
Scroll Rate & Direction
Monitors encoder rotations, measuring delta speed and detecting erratic wheel bounce-back in opposite directions.
Precision & Drag Canvas
A 45-cell interactive drag canvas to verify sensor continuity without dropped packets or micro-stutters during hold-and-drag movements.
Quick Usage Guide
- Selecciona si estás probando un Ratón de escritorio o un Touchpad integrado.
- Sigue la secuencia guiada presionando los botones indicados y girando la rueda.
- Pinta al menos el 70% de la rejilla de precisión para verificar la fluidez del sensor y pulsa Finalizar.
Common Mouse Issues & Step-by-Step Fixes
Fix double clicking, erratic scroll jumping, optical jitter, and wireless receiver dropouts.
Issue 1: Involuntary Double-Clicking on Single Click
In OS Mouse Settings, increase double-click time tolerance. In proprietary software (G HUB, Synapse), increase Debounce Delay to 8-12 ms.
The copper leaf spring inside the microswitch lost tension or oxidized. Spray electronic contact cleaner into the actuator seam, or desolder and replace with Kailh GM 8.0 / TTC Gold switches.
Issue 2: Scroll wheel jumps up while scrolling down (Wheel Bounce)
Spin the wheel rapidly while blowing compressed air directly into the wheel gap to dislodge lint and debris wrapped around the axle.
Disassemble mouse. If using a mechanical encoder, apply 99% isopropyl alcohol into the encoder housing and gently pinch outer metal brackets with tweezers to tighten contact tolerances.
Issue 3: Pointer jitter, skipping or moving on its own
Clean the underside optical sensor cavity with a dry cotton swab (often catching tiny stray hairs) and switch to a matte non-reflective fabric mousepad.
Disable 'Enhance pointer precision' in Windows (raw input curve), set polling rate to 1000 Hz, and calibrate Lift-off Distance (LOD) in sensor firmware.
Issue 4: Wireless stutters or Bluetooth signal dropping
Use the desktop USB extender cable to place the 2.4 GHz dongle within 30 cm of the mouse, away from unshielded USB 3.0 ports that emit 2.4 GHz EMI radiation.
In Windows Device Manager > Universal Serial Bus controllers > USB Root Hub > Power Management, uncheck 'Allow computer to turn off this device to save power'.
Did You Know? History & Secrets of Computer Mice
The first mouse was a carved block of wood (1964)
Invented by Douglas Engelbart at Stanford, it was carved from pine wood with two metal wheels for X/Y axes. It was nicknamed 'mouse' because the cord exited the back like a tail.
Why the mouse cursor is tilted at a 45° angle
In 1973 Xerox Alto displays, a vertical arrow blended into low-res text characters. Tilting it at 45 degrees created a distinct diagonal line with an obvious single-pixel clicking tip.
Polling Rate: 1,000 position reports per second
Office mice report position 125 times/sec (8ms delay). Performance mice at 1,000 Hz or 4,000 Hz transmit coordinates every 1 ms or 0.25 ms for ultra-smooth responsiveness.
From rubber tracking balls to 30,000 DPI optics
Legacy mechanical mice rotated physical rollers that clogged with grime weekly. Modern optoelectronic sensors capture up to 20,000 microscopic surface photos per second.