任务栏缩略图预览(Taskbar Thumbnail Preview)是Windows 11和Windows 10提供的最有用和最有趣的功能之一。当您将鼠标悬停在任务栏上的应用程序图标上时，此功能会以打开的 Windows 程序的小缩略图形式显示一个微小的预览。
默认情况下，Windows 10上的任务栏缩略图预览处于启用状态，并且它具有预定义的悬停时间——基本上设置为半秒。当用户将鼠标悬停在弹出的缩略图上时，他/她可以偷看任务窗口上正在运行的内容，而无需转到正在运行的程序。
例如，如果打开了两个Google Chrome窗口，并且您将鼠标光标悬停在任务栏上的应用程序图标上，它将弹出每个Google Chrome窗口的 2 个小预览。这为您提供了打开窗口的小快照，并让您选择要激活的窗口。我们在下图中显示了此功能的示例：
毫无疑问，这个功能非常方便，但对于一些用户来说，它被证明是一个麻烦。这是因为当鼠标悬停在任务上并偶然打开不需要的程序时发生的事故数量增加。这是许多用户甚至更喜欢禁用此功能的原因之一。
在本博客中，我们将讨论如何在Windows 11/10上启用和禁用此功能。
在Windows 11/10中启用或禁用任务栏缩略图预览(Taskbar Thumbnail Preview)
在 Windows 1/110 上禁用或启用任务栏缩略图预览有三种不同的方法：
- 使用系统高级设置
- 使用组策略编辑器
- 使用 Windows 注册表
让我们更详细地看一下这三种方法。
1]使用系统高级(System Advanced)设置关闭(Turn)任务栏缩略图(Taskbar Thumbnails)
任务栏缩略图预览是一种查看功能，是(Taskbar Thumbnail Previews)Windows上的一种视觉效果。可以从系统设置中打开或关闭此视觉效果。跟着这些步骤：
- 按“ Win + X ”打开Windows快捷菜单。
- 点击“系统(System)”
- 在“系统(System)”设置页面上，单击右侧出现的“系统信息”选项。(‘system info)
- 现在选择“高级系统设置(Advanced System Settings)”。
- 在“高级(Advanced)”选项卡中，找到“性能(‘Performance)”并单击“设置(Settings)”。
- 在“视觉效果(‘Visual effects)”选项卡中，找到以下设置：
- 要启用任务栏(Taskbar)缩略图预览，请选中相应框；而要禁用它，请取消选中这些框。
- 单击“应用”(Apply’)，然后单击“确定”(OK’)以保存更改。
2]使用组策略编辑器
请按照以下步骤使用组策略编辑器(Group Policy Editor)在Windows 11/10禁用任务栏缩略图预览(Disable Taskbar Thumbnail Preview)：
1] 转到“开始菜单(Start Menu)”并输入“gpedit.msc ”并点击“ Enter”
2]在本地组策略编辑器上导航到“User Configuration > Administrative Templates > Start Menu and Taskbar’
3]在界面底部出现的“标准”选项卡上，找到“(Standard’)关闭任务栏缩略图(Turn off Taskbar Thumbnails)”并双击它。
4]选择“启用”(Enabled’)并应用更改。这将禁用任务栏上的缩略图。
您现在可以检查您的任务栏；它不会显示任务栏缩略图预览(Taskbar Thumbnails Preview)。
要再次启用任务栏缩略图预览(Taskbar Thumbnail Previews)功能，请在步骤 4 中选择“已禁用”选项。(Disabled)
阅读(Read)：如何在 Windows 中增加任务栏缩略图预览的大小。
3]使用Windows注册表(Windows Registry)启用/禁用任务栏缩略图预览
我们提到任务栏缩略图预览(Taskbar Thumbnail Previews)在预定义的悬停时间上工作。增加悬停时间将确保此功能的窥视功能延迟，这意味着它没有足够的时间出现。您可以通过快速编辑Windows 注册表(Windows Registry)来做到这一点，请按照下列步骤操作：
1] 单击“开始”(Start’)并在搜索字段中输入“ Regedit” 。
2] 当用户帐户控制(User Account Control)提示您同意允许该程序进行更改时，单击“是”(Yes’)按钮。
3]现在，导航到以下注册表(Registry)项：
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
4] 在右窗格中，创建一个新的DWORD（32 位）并将其命名为“ ExtendedUIHoverTime ”
5]创建值后，双击它，然后进一步单击“十进制”(Decimal’)选项。
6] 在数值(Value)数据字段中输入延迟时间。
请注意(Please note)- 对于您希望延迟的每一秒，您需要添加 1000。因此，如果您希望延迟 30 秒，您应该在此字段中输入 30000，如下例所示。
7] 按“确定”(Ok’)保存更改并关闭注册表编辑器(Registry Editor)。
现在，重新启动系统以使这些更改生效。直到指定的时间（30000 毫秒）过去后，任务栏缩略图预览(Taskbar Thumbnail Previews)才会出现。
请注意(Please note)- 不正确地修改Windows 注册表(Windows Registry)可能会导致Windows故障并且Windows可能无法正常运行。另外，请在修改之前备份您的注册表设置。本指南展示了备份和还原注册表(Backup and Restore the Registry.)的不同方法。
阅读(Read)：使任务栏预览在 Windows PC 中显示得更快。
当您需要跟踪系统上发生的事情时， Peek功能非常棒，主要是当您在忙碌的一天中打开一百万件事情时。(Peek)我们希望本指南可以让您根据自己的方便和需要禁用/启用。
如果 任务栏缩略图预览不起作用，(Taskbar Thumbnail Preview is not working)这篇文章将为您提供帮助。
如果您在使用本教程或按照步骤操作时需要任何帮助，请随时通过在下面的评论部分发表评论与我们联系。
How to enable or disable Taskbar Thumbnail Preview in Windows 11/10
Taskbar Thumbnail Preview is one of the most useful and interesting features offered by Windows 11 and Windows 10. This feature displays a tiny preview in the form of a small thumbnail image of the open windows programs when you hover over the application icon on the taskbar.
By default, the taskbar thumbnail preview on Windows 10 is enabled and it has a predefined hover time – basically set to half a second. When the user hovers on the thumbnail that pops up, he/she can sneak-peek of what is running on the task window without going to the running program.
For example, if two Google Chrome windows are open and you hover your mouse cursor over the application icon on the taskbar, it will pop up 2 tiny previews of each of your Google Chrome windows. This gives you a small snapshot of the open windows and lets you select the one you wish to activate. We have shown an example of this feature in the image below:
Unquestionably, this feature has been very handy, but for some users, it proved out to be a nuisance. This is because of the increased number of accidents that occur when the mouse hovers over a task and opens an unwanted program fortuitously. This is one reason many users prefer to even disable this feature.
In this blog, we shall discuss both, how to enable and disable this feature on Windows 11/10.
Enable or Disable Taskbar Thumbnail Preview in Windows 11/10
There are three different ways to disable or enable taskbar thumbnail preview on Windows 1/110:
- Using System Advanced settings
- Using Group Policy editor
- Using Windows Registry
Let’s look at these three methods in more detail.
1] Turn off Taskbar Thumbnails using System Advanced settings
Taskbar Thumbnail Previews is a peeking feature that is a kind of visual effect on Windows. This visual effect can be turned on or off from the system’s settings. Follow these steps:
- Press ‘Win + X’ to open the Windows shortcuts menu.
- Click on ‘System’
- On the ‘System’ settings page, click on the ‘system info’ option appearing on the right-hand side.
- Now select ‘Advanced System Settings’.
- In the ‘Advanced’ tab, locate the ‘Performance’ and click on ‘Settings’.
- In the ‘Visual effects’ tab, locate the following settings:
- Enable Peek
- Save taskbar thumbnail previews
- Show thumbnails instead of icons
- To enable the Taskbar thumbnail previews, select the boxes; while to disable it, uncheck the boxes.
- Click ‘Apply’ and then hit ‘OK’ to save the changes.
2] Using Group Policy Editor
Follow these steps to Disable Taskbar Thumbnail Preview in Windows 11/10 using Group Policy Editor:
1] Go to the ‘Start Menu’ and type ‘gpedit.msc’ and hit ‘Enter’
2] On the local group policy editor navigate to ‘User Configuration > Administrative Templates > Start Menu and Taskbar’
3] On the ‘Standard’ tab appearing on the bottom of the interface, locate ‘Turn off Taskbar Thumbnails’ and double click on it.
4] Select ‘Enabled’ and apply the changes. This will disable thumbnail images on the taskbar.
You can now check your Taskbar; it would not show the Taskbar Thumbnails Preview.
To enable the Taskbar Thumbnail Previews, feature again, select the ‘Disabled’ option in step 4.
Read: How to increase Taskbar Thumbnail Preview size in Windows.
3] Enable/Disable taskbar thumbnail preview using Windows Registry
We mentioned that Taskbar Thumbnail Previews work on a predefined hover time. Increasing the hover time will ensure that this feature’s peeking function is delayed, which means it will not have enough time to ever appear. You can do this by making a quick edit to the Windows Registry, follow these steps:
1] Click ‘Start’ and enter ‘Regedit’ in the search field.
2] Click on the ‘Yes’ button when the User Account Control prompts you to agree to allow this program to make changes.
3] Now, navigate to the following Registry key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
4] On the right-pane, create a new DWORD (32-bit) and name it ‘ExtendedUIHoverTime’
5] Once the value is created, double-click on it, and further click on the ‘Decimal’ option.
6] In the Value data field enter the delay time.
Please note – For every second you wish to delay you need to add 1000. So, if you want a 30-second delay you should enter 30000 into this field as shown in the below example.
7] Press ‘Ok’ to save changes and close the Registry Editor.
Now, reboot your system to put these changes into effect. Taskbar Thumbnail Previews would not appear until the specified time (30000ms) has elapsed.
Please note – Improperly modifying the Windows Registry can cause Windows malfunction and Windows may not operate correctly. Also, please take a backup of your registry settings before modifying it. This guide shows the different ways to Backup and Restore the Registry.
Read: Make Taskbar Previews appear faster in Windows PC.
The Peek feature is amazing when you need to keep a track of what is happening on your system, mainly when you have a million things open during a busy day. We hope this guide lets you disable/enable at your own convenience and need.
This post will help you if Taskbar Thumbnail Preview is not working.
If you need any help using this tutorial or following the steps, please feel free to get in touch with us by dropping a comment in the comments section below.
