Windows Boot Manager是您系统中的一个软件实用程序，通常称为BOOTMGR。它可以帮助您从硬盘驱动器上的多个操作系统^(Systems)列表中加载单个操作系统。此外，它还允许用户在没有任何Basic Input / Output SystemCD/DVD驱动器、USB或软盘驱动器。此外，它有助于设置启动环境，如果 Windows 启动管理器丢失或损坏，您将无法启动 Windows。因此，如果您想了解有关如何在Windows 10上启用或禁用 Windows^{(Windows 10)}启动管理器^{(Boot Manager)}的更多信息，那么您来对地方了。所以，继续阅读！

什么是 Windows 10 上的启动管理器？^{(What is Boot Manager on Windows 10?)}

卷引导代码^{(Boot Code)}是卷引导记录^{(Boot Record)}的一部分。Windows 启动管理器^{(Windows Boot Manager)}是从此代码加载的软件，可帮助您启动Windows 7/8/10或Windows Vista 操作系统^{(Windows Vista Operating System)}。

• BOOTMGR所需的所有配置数据都位于引导配置数据 (BCD)^{(Boot Configuration Data (BCD))}中。
• 根目录中的Windows 启动管理器文件为^{(Windows Boot Manager)}只读^(read-only)和隐藏格式。该文件在磁盘管理^{(Disk Management)}中被标记为活动^{(Active )}。
• 在大多数系统中，您可以在名为System Reserved^{(System Reserved )}的分区中找到该文件，而无需硬盘驱动器号。
• 但是，该文件可能位于主硬盘驱动器^{(primary hard drive)}中，通常是C 驱动器。^{(C drive. )}

注意：^(Note:) Windows启动^(Windows)过程仅在系统加载程序文件winload.exe成功执行后开始。因此，正确定位引导管理器很重要。

如何在 Windows 10 上启用 Windows 启动管理器^{(How to Enable Windows Boot Manager on Windows 10)}

当您有多个操作系统并且希望选择并启动其中任何一个时，您可以启用Windows 启动管理器。^{(Windows Boot Manager)}

方法 1：使用命令提示符 (CMD)^{(Method 1: Using Command Prompt (CMD))}

1.通过转到搜索菜单并键入cmd启动^{(cmd )}命令提示符^{(Command Prompt)}，然后单击以管理员身份^{(as administrator)}运行^{( Run)}，如图所示。

2. 逐一键入以下命令，并在每个命令后按Enter：

bcdedit / set {bootmgr} displaybootmenu yes
bcdedit / set {bootmgr} timeout 60

注意^(Note)：您可以提及任何超时值^{(timeout value)}，例如以秒为单位指定的30,60 等。^{( 30,60 etc )}

方法 2：使用系统属性^{(Method 2: Using System Properties)}

1. 要打开运行^(Run)对话框，请同时按Windows + R 键。

2. 键入sysdm.cpl，然后单击OK，如图所示。这将打开系统属性^{(System Properties)}窗口。

3. 切换到高级^{(Advanced )}选项卡，然后单击启动和恢复^{(Startup and Recovery.)}下的设置...。^{(Settings… )}

4. 现在，选中显示操作系统列表的时间框：^{(Time to display list of operating systems: )}并以秒为单位设置值^(value)。

5. 最后，点击确定。^(OK.)

另请阅读：^{(Also read:)} 修复 Windows 10 无法从 USB 启动^{(Fix Windows 10 Won’t Boot From USB)}

如何在 Windows 10 上禁用 Windows 启动管理器^{(How to Disable Windows Boot Manager on Windows 10)}

由于启用Windows 启动管理器^{(Windows Boot Manager)}会减慢启动过程，如果您的设备中只有一个操作系统，您可以禁用它以加快启动过程。下面解释了禁用Windows 启动管理器^{(Windows Boot Manager)}的方法列表。

方法一：使用命令提示符^{(Method 1: Using Command Prompt)}

1.使用管理权限^{(Command Prompt with administrative permissions)}启动命令提示符，如方法 1^{(Method 1)}中的步骤 1^{(step 1 )}如何^(How)在Windows 10上启用Windows 启动管理器^{(Windows Boot Manager)}部分中的说明。

2. 键入以下命令并按Enter键：

bcdedit / set {bootmgr} timeout 0 

注意：^(Note:)您也可以使用bcdedit / set {bootmgr} displaybootmenu no 命令禁用Windows 启动管理器^{(Windows Boot Manager)}。

方法 2：使用系统属性^{(Method 2: Using System Properties)}

1. 启动Run > System Properties，如前所述。

2. 在Advanced 选项卡^{(Advanced tab)}下，单击Startup and Recovery下的Settings...，如图所示。

3. 现在，取消选中显示操作系统列表的时间^{(Time to display a list of operating systems: )}框：或将值^(value)设置为0 秒^{(0 seconds)}。

4. 最后，点击确定。^(OK.)

另请阅读：^{(Also read:)} 如何在 Windows 10 中启动到安全模式^{(How to Boot to Safe Mode in Windows 10)}

如何使用系统配置工具减少响应时间^{(How to Use System Configuration Tools to Reduce Response Time)}

由于您无法从系统中完全删除Windows 启动管理器^{(Windows Boot Manager)}，因此您可以减少计算机允许您回答要启动的操作系统的时间。^(System)简单来说，您可以使用系统配置工具^{(System Configuration Tool)}跳过Windows 10上的Windows 启动管理器^{(Windows Boot Manager)}，如下所示：

1. 启动运行对话框^{(Run Dialog Box)}，输入msconfig并回车^(Enter)。

 2. 在出现的系统配置^{( System Configuration )}窗口中切换到引导^{(Boot )}选项卡。

3. 现在，选择您要使用的操作系统并将^{(Operating System )}超时^(Timeout)值更改为尽可能小的值，^{(least possible value,)}如突出显示的那样。

4. 将值设置为3并单击应用^(Apply)，然后单击确定^(OK)以保存更改。

注意：^(Note:)如果您输入的值小于 3^{(value less than 3)}，您将收到提示，如下图所示。

5. 将显示提示：您可能需要重新启动计算机才能应用这些更改。在重新启动之前，保存所有打开的文件并关闭所有程序^{(You may need to restart your computer to apply these changes. Before restarting, save any open files and close all programs)}。

6. 按照指示进行操作并单击重新启动^{(Restart )}或退出而不重新^{(Exit without restart)}启动确认您的选择。

受到推崇的^{(Recommended)}

• 如何在 Windows 10 中结束任务^{(How to End Task in Windows 10)}
• 修复 Windows 10 中的 DISM 错误 87^{(Fix DISM Error 87 in Windows 10)}
• 为什么我的 Windows 10 电脑这么慢？^{(Why is My Windows 10 Computer So Slow?)}
• 为什么我的互联网每隔几分钟就会断开连接？^{(Why My Internet Keeps Disconnecting Every Few Minutes?)}

我们希望本指南对您有所帮助，并且您能够了解Windows 启动管理器以及如何在 Windows 10 上启用或禁用它^{(Windows Boot Manager & how to enable or disable it on Windows 10)}。如果您对本文有任何疑问/建议，请随时将它们放在评论部分。

What is Windows 10 Boot Manager?

Windows Boot Manager is a software utility in your system, often termed as BOOTMGR. It helps you to load a single Operating System from a list of multiple Operating Systems on the hard drive. Also, it allows the user to boot CD/DVD drives, USB, or floppy drives without any Basic Input / Output System. Moreover, it helps to set the boot environment and you would not be able to boot your Windows if the windows boot manager goes missing or corrupt. So, if you want to know more about how to enable or disable Windows Boot Manager on Windows 10, then you are at the right place. So, continue reading!

What is Boot Manager on Windows 10?

Volume Boot Code is a part of the Volume Boot Record. Windows Boot Manager is software loaded from this code which helps you to boot Windows 7/8/10 or Windows Vista Operating System.

• All the configuration data that the BOOTMGR requires is located in Boot Configuration Data (BCD).
• The Windows Boot Manager file in the root directory is in read-only and hidden format. The file is marked as Active in Disk Management.
• In most systems, you can locate the file in the partition named System Reserved without requiring a hard drive letter.
• However, the file may be located in the primary hard drive, usually C drive.

Note: The Windows boot process begins only after the successful execution of the system loader file, winload.exe. Hence, it is important to locate the boot manager correctly.

How to Enable Windows Boot Manager on Windows 10

You can enable Windows Boot Manager when you have multiple operating systems and you wish to select and launch any one of these.

Method 1: Using Command Prompt (CMD)

1. Launch Command Prompt by going to the search menu and typing cmd and then, clicking on Run as administrator, as shown.

2. Type the following commands one-by-one, and hit Enter after each:

bcdedit / set {bootmgr} displaybootmenu yes
bcdedit / set {bootmgr} timeout 60

Note: You can mention any timeout value as 30,60 etc specified in seconds.

Method 2: Using System Properties

1. To open the Run dialog box, press Windows +R keys together.

2. Type sysdm.cpl, and click OK, as depicted. This will open System Properties window.

3. Switch to the Advanced tab and click on Settings… under Startup and Recovery.

4. Now, check the box Time to display list of operating systems: and set value in seconds.

5. Finally, click on OK.

Also read: Fix Windows 10 Won’t Boot From USB

How to Disable Windows Boot Manager on Windows 10

Since enabling Windows Boot Manager can slow down the booting process, if there is only one Operating system in your device then you can disable it to speed up the boot process. A list of methods to disable Windows Boot Manager is explained below.

Method 1: Using Command Prompt

1. Launch Command Prompt with administrative permissions, as instructed in Method 1, step 1 under How to Enable Windows Boot Manager on Windows 10 section.

2. Type the following command and press Enter key:

bcdedit / set {bootmgr} timeout 0 

Note: You can also use bcdedit / set {bootmgr} displaybootmenu no command to disable Windows Boot Manager.

Method 2: Using System Properties

1. Launch Run > System Properties, as explained earlier.

2. Under the Advanced tab, click on Settings… under Startup and Recovery, as shown.

3. Now, uncheck the box Time to display a list of operating systems: or set the value to 0 seconds.

4. Finally, click on OK.

Also read: How to Boot to Safe Mode in Windows 10

How to Use System Configuration Tools to Reduce Response Time

Since you cannot completely remove Windows Boot Manager from your system, you can reduce the time the computer allows you to answer which Operating System you wish to boot. In simple words, you can skip the Windows Boot Manager on Windows 10 by using System Configuration Tool, as follows:

1. Launch Run Dialog Box, type msconfig and hit Enter.

2. Switch to the Boot tab in the System Configuration window that appears.

3. Now, choose the Operating System you want to use and change the Timeout value to the least possible value, as highlighted.

4. Set the value to 3 and click on Apply and then, OK to save the changes.

Note: If you enter a value less than 3, you will receive a prompt, as depicted below.

5. A prompt will be displayed stating: You may need to restart your computer to apply these changes. Before restarting, save any open files and close all programs.

6. Do as instructed and confirm your choice by clicking on Restart or Exit without restart.

Recommended

• How to End Task in Windows 10
• Fix DISM Error 87 in Windows 10
• Why is My Windows 10 Computer So Slow?
• Why My Internet Keeps Disconnecting Every Few Minutes?

We hope that this guide was helpful and you were able to learn about Windows Boot Manager & how to enable or disable it on Windows 10. If you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.

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