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Every device setup is different. DevicePrep provides fast tests and practical guidance so you can fix issues quickly and join calls confidently.
How DevicePrep helps
Start with a quick test to see what your browser can access. If something is blocked or routed wrong, follow a guide that matches the exact setting names you see on your OS and in your meeting app.
- Free, browser-based tests (mic, webcam, speakers, echo, network)
- A pre-call checklist to verify everything quickly
- Step-by-step fix guides written for real failure modes
- Privacy-first by default; core checks run locally in your browser
Want the fastest workflow? Run the Pre-Call Checklist.
Free browser-based device tests
Run quick checks in your browser to confirm what your device and browser can detect before you open Zoom, Meet, or Teams.
- Microphone and speaker checks with quick validation signals
- Webcam preview and device switching
- Echo / loopback test to verify the full audio path
- Network checks (latency, jitter, packet loss) for call stability
Pre-call checklist
Run one simple flow every time; mic, camera, speakers, and network in one guided check.
- Run the most important checks in the right order
- Catch blocked permissions and wrong-device selections early
- Validate fixes immediately, then re-test
- Great for interviews, classes, online events, and customer calls
Step-by-step troubleshooting guides
When something breaks, you need clear steps you can follow while stressed. Each guide is built around quick wins and proof that the fix worked.
- Clear, scannable structure: quick wins → step-by-step → deep fixes → checklist
- Repro-based updates as settings labels and permission prompts change
- Test before and after each fix so you can confirm progress
- Links between tools and guides so you can keep moving
Email support and corrections
If a step is outdated or a page is unclear, email us. We'll reply with the next best step and update the content when needed.
- Report outdated steps, broken links, or confusing instructions
- Request a new guide topic (tell us your OS, browser, and meeting app)
- Ask a quick clarification about a specific step or setting label
- We'll reply from a @deviceprep.com address
Support happens by email. You stay in control of your device; you run the tests in your own browser.
Get in touch
For questions, corrections, or suggestions, reach out via contact or email support@deviceprep.com.
Include your OS, browser, meeting app, and which DevicePrep tool or guide you used. A screenshot helps when a setting label changed.
Meet our experts
DevicePrep is built by editors and engineers focused on accurate diagnostics and trustworthy fixes.
Editor-in-Chief, DevicePrep
Leads DevicePrep’s editorial strategy and turns recurring call issues into clear, test-first troubleshooting guides.
Technical Review Lead (Audio/Video), DevicePrep
Reviews DevicePrep guides for accuracy across browsers, operating systems, and the constantly changing UI of meeting apps.
Product Engineer (Diagnostics), DevicePrep
Builds browser-based diagnostic tools and writes the technical explainers that help people interpret results quickly.
Want more detail? Meet the full team.