Browser diagnostic toolkit
Online Hardware Tester
Test gamepads, keyboards, mice, monitors, microphones, and speakers in your browser. Confirm the signal before repair or replacement.
Local path
Test. Confirm. Fix.
Test
Run the matching browser diagnostic.
Confirm
Separate hardware faults from setup issues.
Fix
Follow the cheapest repair-first path.
Hardware tests
Open the matching test first. Recommendations appear only after useful diagnostic context.
Gamepad Tester
Controllers, drift, triggers, rumble.
StartKeyboard Tester
Keys, ghosting, rollover, repeats.
StartMouse Tester
Clicks, tracking, wheel, polling.
StartMonitor Tester
Pixels, refresh rate, color.
StartMicrophone Tester
Input, waveform, playback.
StartSpeaker Tester
Left/right, frequency, balance.
StartWhy HWProbe?
Browser local
Hardware readings stay on this device.
Six checks
Input, display, microphone, and speaker tests in one place.
Repair first
Free fixes come before shopping paths.
Failed test?
Use repair-first picks after a failed test.
How It Works
Open test
Choose the hardware check that matches the symptom.
Read signal
Use the live result before changing settings or buying parts.
Fix path
Try reversible fixes first, then replace only with evidence.
Next step
Start with one test.
Pick the hardware that feels suspicious, then move to fixes only when the signal repeats.