没有视频，现代网站是不完整的。无论是Facebook、YouTube还是Twitter，视频都已成为互联网的核心。但是，由于某种原因，您的Firefox浏览器上的视频拒绝播放。如果您发现自己在同样的问题上苦苦挣扎，那么您来对地方了。我们为您提供了一份有用的指南，将教您如何修复Firefox上没有^{(No Video)}支持格式^{(Supported Format)}和MIME类型的视频错误。

修复没有找到支持格式和 MIME 类型的视频

修复没有找到支持格式和 MIME 类型的视频^{(Fix No Video with Supported Format and MIME type found)}

什么导致没有支持格式的视频错误？^{(What causes the No Video with Supported Format error?)}

自从HTML 5出现以来，互联网上的媒体错误已经变得很普遍。Adobe flash player 停产后， HTML 5成为理想的替代品。作为一种更安全、更快速的标记语言，HTML 5对您 PC 上的问题高度敏感。其中包括过时的浏览器、损坏的缓存文件和侵入性扩展。幸运的是，“没有支持格式的视频”错误可以通过几个简单的步骤来修复。

方法一：更新火狐^{(Method 1: Update Firefox)}

在过时的浏览器上播放视频是一项具有挑战性的任务。很多时候，旧版本无法注册新的媒体编码器并且难以播放视频。

1.打开^(Open) 火狐^(Firefox)，点击屏幕右上角的汉堡菜单。

2. 从选项中，选择帮助。^{(select Help.)}

点击帮助 | 修复没有找到支持格式和 MIME 类型的视频

3.单击关于 Firefox。^{(Click on About Firefox.)}

点击关于火狐

4. 屏幕上会出现一个窗口。如果您的浏览器不是最新的，您可以选择下载最新版本。

确认您的浏览器是否是最新的 | 修复没有找到支持格式和 MIME 类型的视频

5. 再次播放视频，看看您是否能够修复No Video with Supported Format错误。

方法二：清除浏览器缓存和 Cookie^{(Method 2: Clear Browser Cache and Cookies)}

缓存^(Cached)的 cookie 和数据会降低您的 PC 速度并导致不必要的错误。此外，损坏的 cookie 会阻止网站加载媒体文件，从而导致“没有^{(No Video)}支持格式的视频”错误。

1.打开Firefox^{(Open Firefox)}并选择汉堡菜单

2.单击选项。^{(Click on Options.)}

点击选项

3.从左侧面板转到隐私和安全。^{(Privacy and Security)}

转到隐私和安全 | 修复没有找到支持格式和 MIME 类型的视频

4.向下滚动^(Scroll)到Cookies和站点数据^{(Site Data)}，然后单击清除数据^{(click on Clear Data)}按钮。

转到 Cookie 和站点数据，然后单击清除数据

5.启用这两个复选框并单击清除。^{(Enable both the checkboxes and click on Clear.)}

启用这两个框并单击清除 | 修复没有找到支持格式和 MIME 类型的视频

6. 进一步向下滚动到“历史记录”^(History)面板，然后单击“清除历史记录”^{(click on Clear History)}按钮。

点击清除历史记录

7. 将时间范围从 Last Hour 更改为Everything。

8.选中所有复选框^{(Select all the checkboxes)}并单击确定。

选中所有复选框并单击确定 | 修复没有找到支持格式和 MIME 类型的视频

9. 这将清除所有缓存的存储和保存的 cookie。再次播放视频，看看它是否修复了“没有^{(No Video)}支持格式的视频”错误。

另请阅读：^{(Also Read: )}修复 YouTube 视频加载但不播放视频^{(Fix YouTube Videos loading but not playing videos)}

方法 3：禁用浏览器加载项^{(Method 3: Disable Browser Add-ons)}

与Chrome^(Chrome)上的扩展类似，Firefox引入了附加组件以使浏览更有趣。虽然这些服务可以丰富您的在线体验，但它们会干扰在线活动。尝试禁用一些插件来修复“没有^{(No Video)}支持格式的视频”错误。

1.单击^(Click)汉堡菜单并选择附加组件和主题。^{(Add-ons and Themes.)}

选择附加组件和主题

2.从左侧面板转到扩展。^(Extensions)

点击扩展 | 修复没有找到支持格式和 MIME 类型的视频

3.查找可能导致播放错误的扩展。

4. 单击三个点并选择删除。^{(select Remove.)}

单击三个点并选择删除

5.重新加载^(Reload)网站，看看视频是否播放。

方法 4：使用其他浏览器^{(Method 4: Use Another Browser)}

尽管多年来Mozilla Firefox的表现值得称道，但它并没有赶上Google Chrome的速度和效率。如果上述所有步骤都失败了，那么是时候告别Firefox并尝试其他选项了。在您的浏览器上转到Google Chrome 的安装页面^{(Google Chrome’s installation page)}并下载该应用程序。您的视频应该可以正常播放。

受到推崇的：^{(Recommended:)}

修复 Firefox 中未找到服务器错误^{(Fix Server Not Found Error in Firefox)}
如何修复 Firefox 黑屏问题^{(How To Fix Firefox Black Screen Issue)}
如何在 PC 或移动设备上提取 RAR 文件^{(How to Extract RAR files on PC or Mobile)}
如何修复 Fitbit 不同步问题^{(How to Fix Fitbit Not Syncing Issue)}

我们希望本指南对您有所帮助，并且您能够在 Firefox 上修复“No Video with Supported Format and MIME type found”错误。^{(fix No Video with Supported Format and MIME type found error on Firefox. )}让我们知道哪种方法最适合您。如果您对本文有任何疑问，请将它们放在评论部分。

Fix No Video with Supported Format and MIME type found

Modern websites are incomplete without videoѕ. Be it Fаcеbook, YоuTube, or Τwіtter, videos have become the heart of the internet. However, due to some reason, videos on your Firefox browser rеfuse to plаy. If you find уourself struggling with the same issue, yоu аre at the right place. We brіng to you a helpfυl guide that will teach you how to fix No Vidеo with Supported Format and MIME type found error on Firefox.

What causes the No Video with Supported Format error?

Ever since the arrival of HTML 5, media errors on the internet have become common. After Adobe flash player was discontinued, HTML 5 became the ideal replacement. Being a safer and faster markup language, HTML 5 is highly sensitive to issues on your PC. These include outdated browsers, corrupt cache files, and intrusive extensions. Luckily, the “No Video with Supported Format” error can be fixed with a few easy steps.

Method 1: Update Firefox

Playing videos on outdated browsers is a challenging task. Many times, older versions are unable to register new media encoders and struggle to play videos.

1. Open Firefox and click on the hamburger menu in the top right corner of the screen.

2. From the options, select Help.

click on Help | Fix No Video with Supported Format and MIME type found

3. Click on About Firefox.

Click on about Firefox

4. A window will appear on your screen. If your browser is not up to date, you will get the option to download the latest version.

Confirm if your browser is up to date | Fix No Video with Supported Format and MIME type found

5. Play the video again and see if you’re able to fix No Video with Supported Format error.

Method 2: Clear Browser Cache and Cookies

Cached cookies and data can slow down your PC and cause unwanted errors. Moreover, corrupt cookies prevent sites from loading media files which results in the “No Video with Supported Format” error.

1. Open Firefox and select the hamburger menu

2. Click on Options.

Click on options

3. Go to Privacy and Security from the panel on the left.

Go to privacy and security | Fix No Video with Supported Format and MIME type found

4. Scroll down to Cookies and Site Data and click on Clear Data button.

Go to Cookies and Site data and click on clear data

5. Enable both the checkboxes and click on Clear.

enable both boxes and click on clear | Fix No Video with Supported Format and MIME type found

6. Scroll further down to the History panel and click on Clear History button.

Click on Clear history

7. Change the time range from Last Hour to Everything.

8. Select all the checkboxes and click on OK.

Select all check boxes and click on OK | Fix No Video with Supported Format and MIME type found

9. This will clear all cached storage and saved cookies. Play the video again and see if it fixes the “No Video with Supported Format” error.

Also Read: Fix YouTube Videos loading but not playing videos

Method 3: Disable Browser Add-ons

Similar to the extensions on Chrome, Firefox introduced Add-ons to make browsing more fun. While these services can enrich your online experience, they interfere with online activity. Try disabling a few addons to fix the “No Video with Supported Format” error.

1. Click on the hamburger menu and select Add-ons and Themes.

Select add ons and themes

2. Go to Extensions from the panel on the left.

Click on extensions | Fix No Video with Supported Format and MIME type found

3. Find the extensions that could cause errors during playback.

4. Click on the three dots and select Remove.

Click on the three dots and select remove

5. Reload the website and see if the video plays.

Method 4: Use Another Browser

While Mozilla Firefox has done a commendable job over the years, it has not caught up with the speed and efficiency of Google Chrome. If all the aforementioned steps fail, it is time to bid adieu to Firefox and try other options. On your browser go to Google Chrome’s installation page and download the app. Your videos should run properly.

Recommended:

We hope this guide was helpful and you were able to fix No Video with Supported Format and MIME type found error on Firefox. Let us know which method worked for you best. If you have any queries regarding this article, then drop them in the comments section.

瑛武

About the author

我是一名专业的音频工程师，拥有超过 10 年的经验。我参与过各种各样的项目，从小型家庭音响系统到大型商业制作。我的技能在于创造出色的配乐和声音处理工具，让音乐听起来很棒。我对 Windows 10 也非常有经验，可以帮助您充分利用您的计算机系统。

修复没有找到支持格式和 MIME 类型的视频

修复没有找到支持格式和 MIME 类型的视频^{(Fix No Video with Supported Format and MIME type found)}

什么导致没有支持格式的视频错误？^{(What causes the No Video with Supported Format error?)}

方法一：更新火狐^{(Method 1: Update Firefox)}

方法二：清除浏览器缓存和 Cookie^{(Method 2: Clear Browser Cache and Cookies)}

方法 3：禁用浏览器加载项^{(Method 3: Disable Browser Add-ons)}

方法 4：使用其他浏览器^{(Method 4: Use Another Browser)}

Fix No Video with Supported Format and MIME type found