尝试引导计算机时，您可能会看到“ Start PXE over IPv4 ”  ，因为您的系统正在尝试从^(” )PXE引导。因此，您的计算机正在尝试通过IPv4网络启动，因此您会看到此错误消息。在本文中，我们将借助一些简单的解决方案来fix Start PXE over IPv4 in Windows 11/10

什么是 PXE？

PXE 或 预启动执行环境 ^{(Preboot Execution Environment )}用于在部署 PC 映像之前启动具有客户端-服务器接口的计算机。DHCP（动态主机配置协议^{(Dynamic Host Configuration Protocol)}）和TFTP（普通文件传输协议^{(Trivial File Transfer Protocol)}）都用于执行PXE网络引导。通常，您的计算机上启用了PXE ，但您可以从^(PXE)BIOS中禁用它（将在下文中讨论）。

通过 IPv4 启动 PXE 是什么意思？

当您的计算机尝试在LAN上启动时，您将看到“ Start PXE over IPv4” 错误消息。当您的计算机无法从可启动驱动器启动时，它会执行此操作。这通常是由于错误的BIOS配置而发生的。

如何修复通过IPv4启动 PXE^{(Start PXE)}错误

此错误通常是因为没有其他引导设备（如硬盘^{(Hard Disk)}）而发生。因此，我们将其设置为默认启动设备。我们还将介绍可以修复错误的其他解决方案。这些是您可以在Windows 11/10Start PXE over IPv4的方法。

1. 禁用安全启动^{(Secure Boot)}和旧版支持^{(Legacy Support)}
2. 禁用引导至 LAN

让我们详细谈谈它们。

1]禁用安全启动^{(Secure Boot)}和旧版支持^{(Legacy Support)}

安全启动^{(Secure Boot)}和旧版支持^{(Legacy Support)}是更改系统启动顺序的两个主要原因。因此，禁用它们将解决问题。您可以按照给定的步骤禁用Secure Boot and Legacy Support。

1. 引导至^{(Boot into BIOS)}计算机的 BIOS。
2. 使用箭头键转到 安全 选项卡。^(Security )
3. 现在，转到安全启动 ^{(Secure Boot )}并禁用它。
4. 然后，选择 Legacy Support 并禁用它。
5. 最后，保存设置并退出BIOS。

当您重新启动计算机时，您可能会看到一条消息说引导顺序^{(Boot Order)}已更改并要求您输入显示的数字。

如果您没有看到任何内容，请继续执行通常的启动过程。但是，如果您确实看到该消息，则需要执行以下操作-

1. 输入^(Enter)这些数字并按Enter。（注意：您将无法看到输入的数字）。^{(Note: You will not be able to see the entered number).)}
2. 现在，通过电源^(Power)按钮关闭计算机。
3. 进入 BIOS，转到 Boot 选项卡，然后选择Boot from Hard Drive（某些设置可能因OEM而异）。

最后，重新启动计算机并检查问题是否已解决。

2]禁用启动到局域网

修复错误的另一件事是禁用Boot to LAN。您的系统可能有不同的名称，具体取决于您的笔记本电脑^(Laptop)的品牌。但是，程序通常是相同的。

因此，请按照给定的步骤禁用Boot to LAN选项。

1. 启动进入 BIOS
2. 转到 引导 ^(Boot )选项卡。
3. 禁用 PXE Boot to LAN 选项。
4. 保存并退出。

重新启动计算机并检查问题是否已解决。

阅读下一篇： ^{(Read Next: )}修复 Windows 10 中未找到启动设备的错误。

How to fix Start PXE over IPv4 in Windows 11/10

You may see “Start PXE over IPv4” when trying to boot your computer because your system is trying to boot from PXE. So, you are computer is trying to boot over the IPv4 network and hence, you are seeing this error message. In this article, we are going to fix Start PXE over IPv4 in Windows 11/10 with the help of some simple solutions.

What is PXE?

PXE or Preboot Execution Environment is used to boot a computer with a client-server interface before deploying the PC image. Both, DHCP(Dynamic Host Configuration Protocol) and TFTP(Trivial File Transfer Protocol), are used to carry out PXE network boot. Usually, PXE is enabled on your computer, but you can disable it from the BIOS(will be discussed, hereinafter).

What does start PXE over IPv4 mean?

You will see a “Start PXE over IPv4″ error message when your computer tries to boot on the LAN. Your computer does this when it fails to boot from the bootable drive. This usually happens because of the wrong BIOS configuration.

How to fix Start PXE over IPv4 error

This error usually occurs because of the absence of other booting devices such as Hard Disk. So, we will be setting it as the default booting device. We will also cover other solutions that can fix the error. These are the things you can do to fix Start PXE over IPv4 in Windows 11/10.

1. Disable Secure Boot and Legacy Support
2. Disable Boot to LAN

Let us talk about them in detail.

1] Disable Secure Boot and Legacy Support

Secure Boot and Legacy Support are two of the main culprits in changing your system’s boot order. Therefore, disabling them will fix the issue. You can follow the given steps to disable Secure Boot and Legacy Support.

1. Boot into BIOS of your computer.
2. Go to the Security tab using the Arrow Keys.
3. Now, go to Secure Boot and disable it.
4. Afterward, select Legacy Support and disable it.
5. Finally, save the settings and exit the BIOS.

When you restart your computer, you may see a message saying Boot Order has been changed and ask you to enter the displayed number.

If you are not seeing anything, just continue with the usual booting process. But if you do see the message, the following is what you need to do-

1. Enter these numbers and hit Enter. (Note: You will not be able to see the entered number).
2. Now, turn off your computer from the Power button.
3. Enter BIOS, go to the Boot tab, and select Boot from Hard Drive (some settings might differ depending on the OEM).

Finally, restart your computer and check if the issue is fixed.

2] Disable Boot to LAN

Another thing you can do to fix the error is to disable Boot to LAN. Your system may have a different name, depending on the brand that your Laptop is of. However, the procedure is usually the same.

So, follow the given steps to disable the Boot to LAN option.

1. Boot into BIOS
2. Go to the Boot tab.
3. Disable PXE Boot to LAN option.
4. Save and Exit.

Restart your computer and check if the issue is fixed.

Read Next: Fix Boot Device Not Found error in Windows 10.

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