When Chrome does not respect dark mode, you can check the system and browser settings in turn, use developer tools to troubleshoot media query problems, and force enabled through plug-ins or experimental functions. First, make sure that both the operating system and Chrome's dark mode are enabled correctly; second, use the developer tools to check whether prefers-color-scheme: dark is effective; if it is still invalid, try the Dark Reader plug-in or enable Chrome's experimental forced dark mode function; website developers should use standard media queries, avoid hard-coded backgrounds, and test multi-device compatibility.

Chrome sometimes does not display web pages in the dark mode set by the system or browser, which is usually because the website itself does not adapt to dark mode correctly, or some Chrome settings interfere with its normal application. If you find that Chrome does not respect the dark mode of the system, you can try the following methods to troubleshoot and fix the problem.

Check the dark mode settings of the system and browser

First make sure your operating system and Chrome browser are enabled:

• Windows/macOS/Linux : Enter system settings and confirm that "Dark Theme" or "Dark Mode" is enabled.
• Chrome settings :
  • Open chrome://settings/appearance
  • Make sure Use System Theme is turned on, or manually set the Chrome theme to dark.

If none of these settings are wrong but the page is still on, it is likely that the website itself's CSS overwrites the browser's preferences.

Use the developer tool to check if the media query is effective

Many websites use CSS's @media (prefers-color-scheme: dark) to detect users' color preferences. You can use Chrome developer tools to see if this media query is correctly identified:

1. Right-click on the page → “Check”
2. Switch to the Elements tab
3. Find prefers-color-scheme: dark related rules in the style panel
4. Check whether the rule has been overwritten or disabled (such as replaced by more specific CSS or JavaScript)

You can also run the following code in the console to test whether the browser thinks it is currently dark mode:

 window.matchMedia('(prefers-color-scheme: dark)').matches

If false is returned, it means that the browser does not recognize the dark mode; if true but the page does not become dark, it means that the website does not correctly apply the corresponding style.

Force dark mode (temporary solution)

If you just want to force a website to use dark mode, you can use some extended or experimental features to do it:

• Dark Reader (Chrome plugin)
  This plug-in will force the web page to render in a dark style, which can take effect even if the website does not support it. It is suitable for temporarily solving the problems of individual websites.

• Enable Chrome Experimental Features
  Enter the address bar: chrome://flags/#enable-force-dark
  Set the option to Enabled , and it takes effect after restarting the browser. This will allow Chrome to automatically "flip" web pages that do not support dark mode into dark colors.

Note: These methods may cause some web pages to be plagiarized or the pictures are abnormal. It is recommended to use only if necessary.

If you are a website developer, how to ensure compatibility with dark mode

If you maintain the website yourself and want it to respond correctly to the user's dark mode preferences, here are a few key points:

• Using standard media queries:

   @media (prefers-color-scheme: dark) {
    body {
      background: #121212;
      color: #ffff;
    }
  }

• Avoid hard-coded background colors, try to use variables or system colors

• Don't rely on JavaScript to switch topics unless you need additional interactive control

• Test on different devices, especially when using mobile and desktop

Some frameworks (such as Tailwind CSS, Bootstrap) already have built-in dark mode support. Remember to view the document and enable relevant configurations.

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Basically these are the methods. When Chrome does not respect dark mode, start with system settings and browser configuration, then check whether the website is adaptable, and finally consider using plug-ins or experimental functions to bypass the restrictions. Not every time can be solved perfectly, but most of the time, a compromise can be found.

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