据报道，一些Windows 10 PC 用户无法更改锁定屏幕。据受影响的用户称，当他们启动 PC 时，它始终是默认的锁定屏幕，但是，当他们锁定 PC^{(lock the PC)}时，它会显示为选择的自定义锁定屏幕。

^{(Lock Screen)}Windows 10启动时锁屏画面不断变化

如果您的 Windows 10锁定屏幕^{(Lock Screen)}显示错误或不同的图像或不断更改为默认图像，那么您可以尝试以下我们推荐的解决方案（不按特定顺序），看看这是否有助于解决问题。

1. 创建一个新的用户帐户
2. 使用 Ultimate Windows Tweaker
3. 配置组策略设置

让我们看一下关于列出的每个解决方案所涉及的过程的描述。

在继续解决方案之前，请执行以下操作：

在 Settings > Personalization > Lock screen，您需要向下滚动并确保将页面底部的“在登录屏幕上显示锁定屏幕背景图片”选项切换为^{(Show lock screen background picture on the sign-in screen)}“打开”^(On)。如果设置为开启^(On)但问题仍然存在，您可以继续使用以下建议。

1]创建一个新的用户帐户

这个解决问题的解决方案很简单。它需要您创建一个新用户帐户，然后从旧用户配置文件转移到新用户配置文件。

2]使用终极Windows Tweaker

另一个可行的解决方案是使用Ultimate Windows Tweaker。

下载我们的免费便携式实用程序后，启动该程序。

在程序 UI 中，查找禁用锁定屏幕^{(Disable Lock Screen)}选项并取消选中它。您将在“Customization > Modern UI ”选项卡下看到它。

现在，当您启动 PC 时，它会直接进入您的锁定屏幕并选择您自己的图片。

3]配置组策略设置

• 按Windows key + R调用“运行”对话框。
• 在运行对话框中键入gpedit.msc并按 Enter打开组策略编辑器^{(open Group Policy Editor)}。
• 在本地组策略编辑器^{(Local Group Policy Editor)}中，使用左窗格导航到以下路径：

Computer Configuration > Administrative Templates > Control Panel > Personalization

• 在右侧窗格中，双击强制特定的默认锁定屏幕图像^{(Force a specific default lock screen image)} 以编辑其属性。
• 在策略窗口中，将单选按钮设置为Enabled。
• 接下来，向下滚动到“选项^{( Options)}”部分。
• 在“锁定屏幕图像的路径”^{(Path to lock screen image)}字段中，输入要使用的图像在本地磁盘上的保存路径。
• 单击应用^(Apply)>确定^(OK)以保存更改。
• 退出本地组策略编辑器。

对于 Windows 10 家庭版用户，您可以添加本地组策略编辑器^{(add Local Group Policy Editor)}，然后按照上面提供的说明进行操作。

希望这可以帮助！

Lock Screen picture keeps changing when Windows 10 boots up

Sоmе Windows 10 PC users are reportedly having trouble changing their lock screen. According to affected users, whеn they boot up their PC, it is always the default lock screen, however, when they lock the PC, it shows up as the custom lock screen selected.

Lock Screen picture keeps changing when Windows 10 boots up

If your Windows 10 Lock Screen is showing the wrong or a different image or keeps changing to the default image, then you can try our recommended solutions below in no particular order and see if that helps to resolve the issue.

1. Create a new user account
2. Use Ultimate Windows Tweaker
3. Configure Group Policy setting

Let’s take a look at the description of the process involved concerning each of the listed solutions.

Before you proceed with the solutions, do the following:

On Settings > Personalization > Lock screen you need to scroll down and make sure the Show lock screen background picture on the sign-in screen option at the bottom of the page, is toggled to On. If it’s set to On but the issue remains, you can continue with the suggestions below.

1] Create a new user account

This solution to resolve the issue is an easy one. It entails you create a new user account and then transfer from the old user profile to the new one.

2] Use Ultimate Windows Tweaker

Another viable solution is to use the Ultimate Windows Tweaker.

After you have downloaded our free portable utility, launch the program.

In the program UI, look for the Disable Lock Screen option and uncheck it. You will see it under the Customization > Modern UI tab.

Now, when you boot your PC, it goes straight to your lock screen with your own picture choice.

3] Configure Group Policy setting

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box type gpedit.msc and hit Enter to open Group Policy Editor.
• Inside the Local Group Policy Editor, use the left pane to navigate to the path below:

Computer Configuration > Administrative Templates > Control Panel > Personalization

• On the right pane, double-click on Force a specific default lock screen image to edit its properties.
• In the policy window, set the radio button to Enabled.
• Next, scroll down to the Options section.
• In the Path to lock screen image field, type in the path to where the image you want to use is saved on the local disk.
• Click Apply > OK to save the changes.
• Exit Local Group Policy Editor.

For Windows 10 Home users, you can add Local Group Policy Editor and then carry out the instructions as provided above.

Hope this helps!

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