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📌 Quick Summary: A 144Hz test verifies that your gaming monitor is running at its full refresh rate. Our free online tool also checks for ghosting, motion blur, and dead pixels — all in under 60 seconds.

144Hz Test — Free & Online

You bought a 144Hz gaming monitor for a reason: smoother motion and better performance. But is it actually running at 144Hz? Our 144Hz test helps you verify your refresh rate and detect any issues.

What Our 144Hz Test Checks

  • Refresh rate — Confirms your monitor runs at 144Hz
  • Ghosting — Motion blur and trailing behind moving objects
  • Motion blur — Blur caused by slow pixel transitions
  • Dead pixels — Permanently black dots that never light up
  • Uniformity — Clouding, backlight bleed, dirty screen effect

How to Run a 144Hz Test

  1. Set your monitor to 144Hz — In Windows/Mac display settings.
  2. Use a DisplayPort cable — HDMI may limit refresh rate.
  3. Click "Start Full Diagnosis" — The test runs in fullscreen mode.
  4. Follow the on-screen instructions — Advance with Space or click.
  5. Review your score — Get a monitor score out of 100.

Why Test 144Hz?

  • Verify your settings — Make sure you're getting 144Hz, not 60Hz
  • Cable issues — Some cables limit refresh rate
  • GPU limitations — Your GPU must support 144Hz output
  • Performance — Every Hz matters in competitive gaming

Common 144Hz Issues

  • Monitor stuck at 60Hz — Often a cable or settings issue
  • Ghosting — Caused by slow pixel response time
  • Screen tearing — Fixed with G-Sync or FreeSync
  • Dead pixels — Document for warranty claims

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