坏点测试

检查你的屏幕是否有坏点或卡点。

在您的浏览器中运行。您的文件不会离开设备。 了解如何验证

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使用方法

  1. 1
    选择设置

    填写信息或选择您需要的选项。

  2. 2
    查看结果

    更改任何内容时,预览会立即更新。

  3. 3
    下载或保存

    将结果保存到您的设备。不会向服务器发送或保存任何内容。

About this tool

Press Full screen and click or press the arrow keys to go through black, white, red, green, blue and other solid colours. A dead pixel stays black on a bright colour, and a stuck pixel stays lit on a dark one. Look closely at each colour and press Esc to leave.

When to use it

Check your screen for dead or stuck pixels using full-screen colours.

Tips

Cycle through red, green, blue, black and white.

Privacy

Everything runs in your browser, so your data is not uploaded or stored.

获得最佳结果的提示

开始之前请花一点时间阅读选项,并先用一个小例子试用工具。一切都在您设备的浏览器中运行;您输入或添加的任何内容都不会被上传,关闭标签页会清除所有内容。如果看起来不对,请刷新页面重试,或使用本页的报告链接告诉我们出了什么问题。如果结果仍然看起来不对,请每次只更改一个值,看看哪个输入影响最大。如果您还会再用,请收藏此页。

要点

常见问题

What is a dead pixel?

A pixel that does not light up and stays black, usually from a fault in the panel.

Can a stuck pixel be fixed?

Sometimes. Gently massaging the area or running a pixel-refresh video can help, but a dead pixel usually cannot be repaired.

What is a dead pixel?

A pixel that stays black.

What is a stuck pixel?

A pixel that stays one colour.

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