D+DeviceDoctorRun a check
12 focused diagnostics

All device tests

Choose a focused check. Permissioned hardware tests start only after your action, and raw hardware media stays in this browser.

Audio2 tools
MI

Microphone Test

Confirm that your selected microphone is available and producing a signal.

Observed
→SP

Speaker & Headphone Test

Play a safe tone through the left, right or both audio channels.

User-confirmed
→
Camera1 tools
CA

Webcam Test

Open your camera locally and inspect the browser-reported stream settings.

Browser-reported
→
Input2 tools
KB

Keyboard Test

See keydown and keyup events, held keys and tested-key coverage.

Observed
→MS

Mouse Test

Check pointer movement, standard buttons, wheel direction and click timing.

Observed
→
Gaming2 tools
GP

Controller Test

Inspect connected gamepad buttons, triggers and axes in real time.

Observed
→SD

Stick Drift Test

Sample resting analog-stick position and quantify center offset and noise.

Estimated
→
Display3 tools
HZ

Refresh Rate Test

Estimate the refresh cadence currently rendered by your browser.

Estimated
→PX

Dead Pixel / Screen Test

Cycle clean fullscreen colors for manual pixel and panel inspection.

User-confirmed
→RS

Screen Resolution Test

Read browser-visible screen, viewport, device-pixel-ratio and orientation metrics.

Browser-reported
→
Network1 tools
IP

What Is My IP

See the public IP address observed by DeviceDoctor's own edge endpoint.

Observed
→
System1 tools
DC

Full Device Check

Run a guided readiness check and continue into the hardware modules you need.

Observed
→