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如何运行戴尔 D1918H、D2421H、D2421DS 和 D2721H 显示器自检

Summary: 以下文章提供有关在戴尔 D1918H、D2421H、D2421DS 和 D2721H 显示器上运行自检的信息。

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Instructions

显示器自检

自检(集成诊断工具)可帮助您确定您遇到的任何屏幕异常是否属于以下方面的固有问题:(例如:您的显示器、视频线缆、显卡、驱动程序或计算机。)


运行自检的步骤:

  1. 断开 所有视频线缆与显示器的连接,然后 关闭 显示器。

  2. 打开显示器。

  3. 当戴尔徽标消失并且屏幕显示“No signal”时,请同时按下显示器上的 按钮2 + 3 + 5图 1)。
    D 系列显示器按钮

    显示器进入自检屏幕。

  4. 当显示屏自动变为红、绿、蓝、黑、白时,仔细检查屏幕是否有异常。

  5. 按钮 5 退出自检屏幕。


如果您在使用自检工具时未检测到任何屏幕异常,则显示器工作正常。检查视频线缆、显卡、驱动程序和计算机。


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Additional Information

Affected Products

Dell D1918H, Dell D2421H, Dell D2721H
Article Properties
Article Number: 000188980
Article Type: How To
Last Modified: 22 Jul 2024
Version:  7
Find answers to your questions from other Dell users
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Article Properties
Article Number: 000188980
Article Type: How To
Last Modified: 22 Jul 2024
Version:  7
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.