🟥 屏幕坏点检测Dead Pixel Test
全屏显示纯红、绿、蓝、白、黑等颜色，帮助检测显示器和手机屏幕的坏点、亮点和漏光。Show full-screen solid colors (red, green, blue, white, black…) to spot dead or stuck pixels and backlight bleed.
进入后点击屏幕或按空格/方向键切换颜色，按 Esc 退出。仔细观察是否有颜色不对的小点。Click or press Space/arrow keys to change colors, Esc to exit. Look closely for pixels that stay the wrong color.
使用说明与常见问题How-to & FAQ
「屏幕坏点检测」是什么？What is the Dead Pixel Test tool?
全屏显示纯红、绿、蓝、白、黑等颜色，帮助检测显示器和手机屏幕的坏点、亮点和漏光。Show full-screen solid colors (red, green, blue, white, black…) to spot dead or stuck pixels and backlight bleed.
如何使用「屏幕坏点检测」？How do I use the Dead Pixel Test tool?
在「屏幕坏点检测」中，点击「开始全屏检测」按钮即可。In the Dead Pixel Test: Click "Start full-screen test".
手机上能用吗？Does it work on mobile?
可以。「屏幕坏点检测」支持触屏操作，在手机和平板浏览器中均可使用，无需安装 App。Yes. The Dead Pixel Test supports touch input and works in mobile and tablet browsers without installing an app.
「屏幕坏点检测」免费吗？需要注册吗？Is the Dead Pixel Test free? Do I need an account?
「屏幕坏点检测」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Dead Pixel Test is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.