我们大多数人都喜欢在我们的Windows 桌面^{(Windows Desktop)}上显示我们最喜欢的桌面背景^{(Desktop Background)}或墙纸^(Wallpaper)。但是，如果您发现由于某种原因无法更改Windows 10或Windows 10/8/7中的桌面背景或壁纸，您可以尝试其中一些故障排除步骤。

无法在Windows 10中更改^{(Windows 10)}壁纸^(Wallpaper)

在开始之前，请检查您是否安装了第三方定制软件，是否限制您更改桌面背景。如果是这样，请将其卸载并重新启动您的Windows PC。以下是您需要检查的其他一些事项：

1. 检查辅助功能设置
2. 检查电源选项
3. 重置壁纸缓存
4. 检查注册表设置
5. 检查组策略。

1]检查辅助功能设置

打开控制面板^{(Control Panel)}并选择“轻松^(Ease)访问”中心。然后，单击“优化视觉显示”链接。向下滚动^(Scroll)，直到找到“使^(Make)计算机更易于查看”部分。找到后，确保取消选中删除背景图像（如果可用）^{(Remove background images (where available))}。保存，应用，退出。

这应该有帮助！

2]检查电源选项

在控制面板^{(Control Panel)}中打开您的电源设置^{(Power Setting)}。打开电源选项^{(Power Options)}>选择^(Select)您的电源计划 >更改^(Change)计划设置 >更改^(Change)高级电源设置 >展开^(Expand)桌面^(Desktop)背景设置选项>展开> Expand Slide放映。

确保Plugged in 选项设置为Available。

3]重置壁纸缓存

如果上述选项也失败，则可能您的TranscodedWallpaper.jpg文件已损坏。

打开资源管理器并在地址栏中输入以下内容并按Enter：

%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Themes\

在这里，将TranscodedWallpaper.jpg重命名为TranscodedWallpaper.old。

接下来，双击slideshow.ini文件并用记事本^(Notepad)打开它。清空^(Empty)其内容。也就是说，选择所有文本并将其删除。保存更改。关闭资源管理器窗口。

4]检查注册表设置

如果没有，试试这个。运行^(Run)regedit 并导航到注册表编辑器^{(Registry Editor)}中的以下键：

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies

右键单击Policies > New > KEY >将其命名为ActiveDesktop。

接下来在右侧，右键单击> New > DWORD >将其命名为NoChangingWallPaper。

DWORD 值1 将限制^{(1 will restrict change)}桌面墙纸的更改。要允许更改，请将其值设为 0^{(allow change give it value as 0)}。

重启。

5]检查组策略

或者，您可以通过在运行框中键入gpedit.msc并按 Enter来打开组策略编辑器。^{(Group Policy Editor)}

导航^(Navigate)到User Configuration > Administrative Templates > Desktop。再次单击桌面^{(Click Desktop)}。双击桌面壁纸^{(Double-click Desktop Wallpaper)}。

确保选择未配置^(Configured)选项。这将启用更改桌面背景的选项。

阅读^(Read)：桌面背景组策略不适用^{(Desktop Background Group Policy is not applying)}。

我希望有帮助！

如果您想阻止用户更改屏幕保护^{(prevent users from changing the Screensaver)}程序，请参阅此帖子。

Cannot change Desktop Background in Windows 10

Mоst of us enjoy displaying our favorite Desktop Background or Wallpaper on our Windows Desktop. But, if you find for some reason that you cannot change the desktop background or wallpaper in Windows 10 or Windows 10/8/7, you may try some of these troubleshooting steps.

Cannot change Wallpaper in Windows 10

Before you begin, please check if you have installed and third-party customization software and if it is restricting you from changing the desktop background. If so uninstall it and restart your Windows PC. Here are a few other things that you need to check:

1. Check Accessibility setting
2. Check Power Options
3. Reset wallpaper cache
4. Check Registry setting
5. Check Group Policy.

1] Check Accessibility setting

Open Control Panel and select the ‘Ease of Access’ Center. Then, click on ‘Optimize Visual display’ link. Scroll down until you find ‘Make the computer easier to see’ section. Once found, make sure that Remove background images (where available) is unchecked. Save, Apply, Exit.

This should help!

2] Check Power Options

Open your Power Setting in Control Panel. Open Power Options > Select your power plan  > Change plan settings > Change advanced power settings > Expand the Desktop background settings option > Expand Slide show.

Ensure that the Plugged in option is set to Available.

3] Reset wallpaper cache

If the above option too fails, maybe your TranscodedWallpaper.jpg file has become corrupted.

Open explorer and type the following in the address bar and hit Enter:

%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Themes\

Here, rename TranscodedWallpaper.jpg to TranscodedWallpaper.old.

Next, double-click slideshow.ini file and open it with Notepad. Empty its contents. That is, select all the text and delete it. Save the changes. Close explorer windows.

4] Check Registry setting

If not, try this. Run regedit and navigate to the following key in the Registry Editor:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies

Right-click on Policies > New > KEY > name it as ActiveDesktop.

Next in the right side, right-click > New > DWORD > name it as NoChangingWallPaper.

The DWORD value 1 will restrict change in desktop wallpaper. To allow change give it value as 0.

Reboot.

5] Check Group Policy

Alternatively, you could open the Group Policy Editor, by typing gpedit.msc in Run box and hitting Enter.

Navigate to User Configuration > Administrative Templates > Desktop. Click Desktop again. Double-click Desktop Wallpaper.

Ensure that the Not Configured option is selected. This will enable the option to change the desktop background.

Read: Desktop Background Group Policy is not applying.

I hope something helps!

See this post if you want to prevent users from changing the Screensaver.

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