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    Articles on screen technology, display diagnostics, and calibration tips.

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    dpi
    ppi
    displays

    Understanding DPI vs PPI: What's the Difference?

    DPI and PPI are often used interchangeably, but they measure different things. Learn when each matters and how they affect your display.

    dead-pixel
    monitors
    testing

    How to Test for Dead & Stuck Pixels on Your Monitor

    A step-by-step guide to detecting dead pixels, stuck pixels, and sub-pixel defects on any display using simple color tests.

    refresh-rate
    gaming
    monitors

    Monitor Refresh Rate Explained: 60Hz vs 120Hz vs 144Hz

    What does refresh rate actually mean? Learn how Hz affects gaming, productivity, and everyday use — and whether upgrading is worth it.