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mouse · evidence-led troubleshooting

Mouse Not Detected

Test the exact button, wheel or pointer behavior outside the affected app when the system or browser is not receiving expected mouse input. The result should determine which troubleshooting layer comes next.

Reviewed 2026-08-116 diagnostic steps2 official sources
Run Mouse testSee fault tree ↓

What this symptom means

Nothing useful can be tested until the device or browser path is visible. Start with connection, power, permission and OS recognition before app settings.

Diagnostic principleCursor movement, button clicks, wheel events and high-rate gaming input are separate signals. Test the failing control itself instead of treating 'the mouse works' as a single yes/no state.

Fault tree

Mouse fault tree

Use the observation that best matches what you can reproduce. Do not treat every cause as equally likely.

1
Button switch bounce

Evidence: Single deliberate presses create repeat click events in the tester.

Next: Repeat controlled trials, compare another port/receiver, then consider switch repair/replacement.

2
Wheel encoder

Evidence: Scroll reverses, skips or fires while the pointer remains stable.

Next: Test raw wheel events, clean only according to manufacturer guidance, then service if reproducible.

3
Wireless/interference

Evidence: Pointer and clicks both stutter and improve when receiver distance changes.

Next: Move the receiver closer, avoid congested USB 3 RF placement, test wired if supported.

4
Software sensitivity/polling

Evidence: Raw events look normal but game/app behavior is wrong.

Next: Check DPI, polling/report rate, acceleration and app-specific bindings.

Interpret the result

Evidence matrix

A test result is useful only if it changes the next troubleshooting branch.

ObservationWhat it supportsPrioritize next
Extra clicks appearDuplicate click events are reaching the browser.Switch bounce, firmware or connection instability.
Wheel reverses/skipsScroll events are inconsistent independent of page content.Wheel encoder, connection or mouse firmware.
Pointer smooth here, bad in one gameBasic pointer events are healthy in the browser.Game sensitivity, raw-input mode, polling compatibility or game profile.
Everything intermittently freezesThe failure affects the device path rather than one control.Receiver, cable, battery, USB power or radio interference.

Fast baseline

Rule out the simple causes first

  1. 1

    Run the relevant DeviceOK mouse test and confirm which buttons, wheel events, or movements fail.

  2. 2

    Check power, cable, receiver, USB port, or Bluetooth connection.

  3. 3

    Clean the sensor/wheel area if the symptom is movement or scrolling related.

Full sequence

Work from reversible checks to invasive ones

Do not install unofficial driver packs or firmware from download sites just because the device is missing.

  1. 1

    Run the relevant DeviceOK mouse test and confirm which buttons, wheel events, or movements fail.

  2. 2

    Check power, cable, receiver, USB port, or Bluetooth connection.

  3. 3

    Clean the sensor/wheel area if the symptom is movement or scrolling related.

  4. 4

    Try a different surface or connection method where applicable.

  5. 5

    Check whether the problem occurs outside the affected app.

  6. 6

    Use the manufacturer's official software/firmware support only if simpler checks do not resolve it.

Platform branches

Where the setting lives

Windows

  • Compare Enhance pointer precision/raw input behavior
  • Use a direct USB port for receiver testing
  • Check vendor utility only after basic event behavior is confirmed

macOS

  • Compare tracking/scroll settings
  • Test without third-party mouse remapping utilities
  • Check Bluetooth vs receiver path if both are supported

Gaming

  • Keep DPI and polling rate fixed while testing
  • Do not compare aim feel across games without matching sensitivity
  • Use the same surface when comparing tracking
If it works in DeviceOK

Clean pointer/button events here make an app profile or binding more important. If the original symptom remains, keep the next checks above the hardware layer until evidence says otherwise.

If it also fails here

A repeatable raw-input failure across apps points toward the connection or physical control. Compare the simplest direct connection and official diagnostic path before replacement.

Escalation threshold

When software troubleshooting has stopped being high value

  • Controlled single clicks repeatedly double-fire
  • Wheel reverses in multiple apps
  • Direct wired/receiver testing reproduces stutter
  • Visible cable/connector/switch damage
Changed one variable?The first milestone is simple detection. Only after the device appears should you troubleshoot signal quality or app behavior. Retest under the same condition so the result is comparable.
Retest Mouse test