Tier A - Direct Browser Interaction Ready

Guided Full Device Diagnostic Wizard & Summary Report

Guided multi-step diagnostic workflow running compatible tests and generating a local report. Orchestrates compatible Tier A and Tier B tests in a streamlined step-by-step runner, collecting user-confirmed observations into a printable summary.

0Device
1Display
2Audio
3Microphone
4Input
5Camera
6Performance
7Summary

Full Device Diagnostic Check

A guided multi-step diagnostic workflow testing your display, audio, microphone, input peripherals, camera, and rendering performance. Everything is processed locally in your browser.

Detected Environment Hints

Screen: --
Color Depth: --
Audio Context: --
Media Devices: --
Step 1 of 6

Display & Pixel Inspection

Inspect the test color swatches below. Look for black dead dots on white/color backgrounds, or bright stuck subpixels on black.

White Screen
Did you observe any stuck or dead pixels?
Step 2 of 6

Stereo Speaker & Audio Output

Play the audio tones below to confirm left and right channel stereo separation without crackling or distortion.

Left Channel

440 Hz Pure Sine Tone

Right Channel

440 Hz Pure Sine Tone

Did both left and right speakers produce clear audio?
Step 3 of 6

Microphone & Audio Input

Grant temporary microphone permission to verify your input hardware receives sound waves.

Awaiting Activation
Input Volume -∞ dBFS

Speak or clap near your device to test audio input levels.

Did your microphone register sound?
Step 4 of 6

Input Hardware & Controls

Test your keyboard and mouse buttons below.

Spacebar
Enter
Shift
Left Click
Right Click
Wheel Scroll
Click, Right-Click, or Scroll inside this zone to test pointer inputs
Did all input controls respond as expected?
Step 5 of 6

Webcam & Video Input

Grant camera permission to verify video sensor clarity, autofocus, and frame rate. Video streams stay 100% local.

Camera Inactive
Camera preview will render here once activated.
How does the camera video preview appear?
Step 6 of 6

Network Latency & Rendering Stability

Testing HTTP probe round-trip latency and 60-frame rendering smoothness.

HTTP Ping Latency Measuring... Local probe
Display Frame Rate Measuring... rAF loop
Performance Measurement Outcome

Full Device Diagnostic Report

Summary of user-confirmed observations and browser measurements from this diagnostic session.

0 Passed
0 Issues
0 Skipped
Subsystem Test Conducted Status Details / Observations

Diagnostic Honesty Notice

This report records user-observable software behaviors and peripheral responses in the current browser session. It does not measure internal motherboard circuit voltages, physical CPU core temperatures, or storage SMART registers.

How to use this test

  1. Select your device type: Mobile Phone, Laptop, or Desktop PC.
  2. Step 1: Audio Check (Speakers and Microphone).
  3. Step 2: Display Check (Dead Pixels and Resolution).
  4. Step 3: Input Check (Keyboard, Mouse, or Touchscreen).
  5. Step 4: Camera & Video (Webcam or Selfie Camera).
  6. Step 5: Network & Performance (Ping Latency and FPS).
  7. Review the final Diagnostic Summary.
  8. Click 'Print / Save as PDF' or 'Download JSON Report'.

How to understand your result

Looks good: All tested hardware subsystems responded normally during the guided check.

Troubleshooting: what to try next

  • You can skip any individual test at any time during the wizard.
  • Unsupported tests are marked 'Not Available' rather than 'Failed'.

What this test cannot tell you

Guided workflow that orchestrates browser tests; cannot probe motherboard micro-components directly.

Frequently Asked Questions

EP
Tested & Reviewed by [REAL AUTHOR NAME - OWNER TO COMPLETE]
Last Reviewed: 2026-10-17 • Test Method: Stateful multi-step test orchestration engine with Blob JSON export and print styles • How We Test