您想在没有光盘或 USB 的情况下安装 Windows 7 吗？或者，您是否希望在没有 CD 的情况下恢复出厂设置 Windows 7？^{(Do you want to install Windows 7 without a disc or USB? Or, Are you looking to Factory Reset Windows 7 Without CD? )}与往常一样，我们为您提供保障。通过本指南，我们将讨论安装Windows 7的两种不同方法。所以，继续阅读！

当Windows操作系统面临严重问题时，很多Windows用户选择重新安装操作系统，因为它通常可以使系统恢复正常。这同样适用于Windows 7、8^{(Windows 7)}或 10。现在，问题出现了：在没有光盘或 CD 的情况下重新安装 Windows 7 是否可行？^{( Is it feasible to reinstall Windows 7 without a Disc or CD? )}答案是肯定的，您可以使用可启动USB安装^(USB)Windows 7。

如何在没有光盘的情况下安装 Windows 7

如何在没有光盘的情况下安装 Windows 7^{(How to Install Windows 7 Without a Disc)}

准备步骤^{(Preparatory Step)}

由于重装过程会删除您电脑上的所有数据，建议您做好备份^{( backup)}。您可以提前为应用程序或重要信息或回忆（例如家庭照片）准备备份。您可以使用以下存储设备：

外部硬盘驱动器^{( external hard drive)}或
任何在线可用的云存储。^{(cloud storage)}

方法 1：使用 USB 安装 Windows 7
^{(Method 1: Install Windows 7 with a USB
)}

如今，使用闪存驱动器安装Windows 7变得非常流行，因为该过程快速而流畅。这是如何做到的：

第一步：优化 USB 启动^{(Step I: Optimize USB for Boot)}

1. 将USB 驱动器^{(USB drive)}插入 Windows 7 计算机的USB 端口^{(USB port)}。

2. 单击开始^(Start)按钮，然后在搜索栏中搜索CMD。然后，右键单击 cmd 并选择以管理员身份运行。^{( Run as administrator.)}

在 Windows 7 中打开命令提示符

3. 键入 diskpart并按Enter。

4.输入list disk后回车^(Enter)，如图。记下USB闪存驱动器编号。

磁盘部分 Windows 7

5. 现在，分别输入以下命令，等待每个命令完成。

注意：^(Note:)将x替换为^{( x)}步骤 4^{(Step 4)}中获得的U 盘编号^{(USB flash drive number )}。

select disk x
clean
create partition primary
select partition 1
format fs=NTFS
active
exit

第二步：下载USB中的安装文件^{(Step II: Download Installation Files in USB)}

6.在Windows 搜索^{(Windows search)}框中键入并搜索系统。^(System)单击系统信息^{(System Information)}将其打开。

Windows 7 中的系统信息

7. 在这里，找到通常位于计算机背面的 25 个字符的产品密钥。^{(Product key )}

8. 下载Windows 7^{(Windows 7)}的新副本。选择64 位或 32 位^{(64-bit or 32-bit)}下载并确认语言^{(Language )}和产品密钥。^{(Product key.)}

注意：^(Note:)您可以从此处下载 Windows 7 更新。^{(download Windows 7 update)}

9. 下载 Windows 7 后，将下载的 ISO 文件解压到 U 盘。^{(extract the downloaded ISO file to the USB drive.)}

第三步：上移引导顺序^{(Step III: Move the Boot Order Up)}

10. 要导航到 BIOS 菜单，请重新启动^(Restart)您的 PC 并继续按BIOS 键^{(BIOS key )}，直到出现BIOS 屏幕^{(BIOS screen)}。

注意：^(Note:) BIOS 键通常是Esc/Delete/F2.您可以从计算机制造商的产品页面进行验证。或者，请阅读本指南： 6 Ways to Access BIOS in Windows 10 (Dell/Asus/ HP)

11. 切换到引导顺序^{(Boot Order)}选项卡。

12. 选择可移动设备^{(Removable Devices)}，即您的 USB 闪存驱动器，然后按 (plus)+ key将其置于列表顶部。如图所示，这将使USB设备成为您的启动驱动器^{(Boot drive)}。

在 BIOS 中找到并导航到引导顺序选项

13. 要保存^(save)设置，请按退出^(Exit)键，然后选择是^{( Yes)}。

第四步：开始安装过程：^{(Step IV: Start the installation process:)}

14. 要开始引导过程，请按任意键^{(Press any key)}。

15. 单击立即安装^{(Install Now)}，然后接受^(Accept)Microsoft 许可和协议^{(Microsoft license and agreement)}的条款。

安装视窗 7

16. 要删除Windows 7^{(Windows 7)}的旧副本，请选择加载 Windows 7 的硬盘驱动器^{(choose the hard drive )}，然后单击删除^{( Delete)}。

17.选择安装位置^{(choose the installation location)}并单击Next后，Windows 7 将开始安装。

选择安装位置后点击下一步

这是使用USB安装^(USB)Windows 7的方法。但是，如果您觉得此过程很耗时，请尝试下一个。

另请阅读：^{(Also Read:)} 修复未下载的 Windows 7 更新^{(Fix Windows 7 Updates Not Downloading)}

方法 2：使用系统映像重新安装 Windows 7^{(Method 2: Reinstall Windows 7 with System Image)}

如果您已经进行了系统映像^{(System Image)}备份，您可以将系统恢复到之前的工作日期。以下是在没有光盘^(Disc)或USB的情况下安装Windows 7的方法：

1.按Windows 键进入^{(Windows key)}Windows 搜索^(search)，然后在搜索框中键入Recovery。

2.从搜索结果中打开恢复窗口。^{(Recovery Window)}

3. 在这里，选择高级恢复方法。 ^{(Advanced Recovery Methods. )}

4. 选择系统映像恢复^{( System Image Recovery)}选项以使用您之前创建的系统映像恢复您的计算机，如下所示。

系统映像恢复 WINdows 7。如何在没有光盘的情况下安装 Windows 7

计算机上的所有内容，包括Windows、应用程序和文件，都将替换为保存在系统映像中的数据。这将使您的计算机像以前一样正常工作。

另请阅读：^{(Also Read:)} SOLVED: No Boot Device Available Error in Windows 7/8/10

如何在没有 Cd 的情况下恢复出厂设置 Windows 7^{(How to Factory Reset Windows 7 Without Cd)}

有几台计算机带有一个内置的恢复分区，允许用户恢复到出厂默认设置。按照给定的步骤在没有 CD 或 USB的情况下恢复出厂设置 Windows 7 ：^{(Factory Reset Windows 7)}

1. 单击开始^(Start)按钮，然后右键单击我的电脑^{(My Computer)}，然后选择管理^{( Manage)}，如图所示。

右键单击我的电脑，然后选择管理

2. 从左侧窗口中选择存储^(Storage)>磁盘^(Disk) 管理。^(Management)

3. 检查您的电脑是否有Recovery 分区。^{(Recovery partition.)}如果有这样的规定，那么选择这个分区。

在磁盘管理中检查您的计算机是否有恢复分区

4.关闭^{(Turn off)}计算机，然后拔下^(unplug)所有计算机设备。

5. 现在，按电源按钮^{(power button)}启动计算机。

6. 反复按键盘上的恢复键^{(Recovery Key)}，直到出现Windows 徽标^{(Windows logo)}。

7. 最后，按照安装说明^{( follow the installation instructions)}完成该过程。

此方法将恢复出厂^(Factory)设置Windows 7，您的台式机/笔记本电脑将像全新一样运行。

受到推崇的：^{(Recommended:)}

修复未下载的 Windows 7 更新^{(Fix Windows 7 Updates Not Downloading)}
如何修复错误代码 0x80004005^{(How to Fix Error Code 0x80004005)}
联想序列号检查^{(Lenovo Serial Number Check)}
修复 Steam 应用程序加载错误 3:0000065432^{(Fix Steam Application Load Error 3:0000065432)}

我们希望本指南对您有所帮助，并且您能够在 没有磁盘的情况下安装 Windows 7^{( install Windows 7 without a disk)}并在没有 CD 的情况下恢复^{(without a CD)}出厂设置 Windows 7^{( factory reset Windows 7)} 。如果您有任何建议，请随时将它们放在评论部分。

How to Install Windows 7 Without a Disc

Do you want to install Windows 7 without a disc or USB? Or, Are you looking to Factory Reset Windows 7 Without CD? As always, we have got you covered. Through this guide, we are going to discuss two different ways to install Windows 7. So, keep reading!

When the Windows operating system faces serious problems, many Windows users choose to reinstall the operating system since it can usually restore the system to normal. The same applies to Windows 7, 8, or 10. Now, the question arises: Is it feasible to reinstall Windows 7 without a Disc or CD? The answer is Yes, you can install Windows 7 with a bootable USB.

Preparatory Step

Because the reinstallation process will delete all the data on your computer, it is suggested that you make a backup of it. You can prepare a backup for apps or important information or memories like your family photographs, ahead of time. You can utilize storage devices such as:

an external hard drive or
any cloud storage available online.

Method 1: Install Windows 7 with a USB

Using a flash drive to install Windows 7 has become quite popular these days since the process is quick and smooth. Here’s how to do it:

Step I: Optimize USB for Boot

1. Insert your USB drive into the USB port of your Windows 7 computer.

2. Click on the Start button then search for CMD in the search bar. Then, right-click on cmd and select Run as administrator.

Open Command Prompt in Windows 7

3. Type diskpart and press Enter.

4. Press Enter after typing list disk, as shown. Note down the USB flash drive number.

Diskpart Windows 7

5. Now, enter the following commands individually, waiting for each one to finish.

Note: Replace x with the USB flash drive number obtained in Step 4.

select disk x
clean
create partition primary
select partition 1
format fs=NTFS
active
exit

Step II: Download Installation Files in USB

6. Type and search System in the Windows search box. Click on System Information to open it.

System Information in Windows 7

7. Here, locate the 25-character Product key which is usually, found at the rear side of the computer.

8. Download a fresh copy of Windows 7. Choose between 64-bit or 32-bit Download and confirm the Language and Product key.

Note: You can download Windows 7 update from here.

9. After downloading Windows 7, extract the downloaded ISO file to the USB drive.

Step III: Move the Boot Order Up

10. To navigate to the BIOS menu, Restart your PC and keep hitting the BIOS key until the BIOS screen appears.

Note: BIOS key is commonly Esc/Delete/F2. You can verify it from the product page of your computer manufacturer. Or else, read this guide: 6 Ways to Access BIOS in Windows 10 (Dell/Asus/ HP)

11. Switch to the Boot Order tab.

12. Select Removable Devices i.e. your USB flash drive and then, press (plus)+ key to bring it to the top of the list. This will make the USB device your Boot drive, as illustrated.

Locate and Navigate to the Boot Order Options in BIOS

13. To save the settings, press the Exit key and then choose Yes.

Step IV: Start the installation process:

14. To start the boot process, Press any key.

15. Click on Install Now then Accept the terms of the Microsoft license and agreement.

Install Windows 7

16. To delete the old copy of Windows 7, choose the hard drive where Windows 7 is loaded, and then click Delete.

17. After you choose the installation location and click Next, Windows 7 will begin to install.

After you choose the installation location and click Next

This is how to Install Windows 7 with USB. However, if you feel that this process is time-consuming then, try the next one.

Also Read: Fix Windows 7 Updates Not Downloading

Method 2: Reinstall Windows 7 with System Image

If you’ve already made a System Image backup, you may restore your system to a previous working date. Here’s how to Install Windows 7 Without a Disc or USB:

1. Go to Windows search by pressing the Windows key and type Recovery in the search box.

2. Open Recovery Window from the search results.

3. Here, select Advanced Recovery Methods.

4. Choose the System Image Recovery option to restore your computer using a system image you created earlier, as highlighted below.

System Image Recovery WIndows 7. How to Install Windows 7 Without a Disc

Everything on the computer, including Windows, applications, and files, will be replaced with the data saved on the system image. This will make your computer work properly, as it did before.

Also Read: SOLVED: No Boot Device Available Error in Windows 7/8/10

How to Factory Reset Windows 7 Without Cd

Several computers come with an in-built recovery partition that allows users to revert to factory default settings. Follow the given steps to Factory Reset Windows 7 without CD or USB:

1. Click on the Start button then right-click on My Computer then select Manage, as shown.

Right-click on My Computer then select Manage

2. Select Storage > Disk Management from the left-hand window.

3. Check whether your computer has a Recovery partition. If it has such a provision, then select this partition.

Check whether your computer has a Recovery partition in Disk Management

4. Turn off the computer and then unplug all of your computer devices.

5. Now, start the computer by pressing the power button.

6. Repeatedly, press the Recovery Key on your keyboard until the Windows logo shows up.

7. Finally, follow the installation instructions to complete the process.

This method will Factory Reset the Windows 7 and your desktop/laptop will function like it is brand new.

Recommended:

We hope that this guide was helpful and you were able to install Windows 7 without a disk and factory reset Windows 7 without a CD. If you have any suggestions, then feel free to drop them in the comments section.

瑛武

About the author

我是一名专业的音频工程师，拥有超过 10 年的经验。我参与过各种各样的项目，从小型家庭音响系统到大型商业制作。我的技能在于创造出色的配乐和声音处理工具，让音乐听起来很棒。我对 Windows 10 也非常有经验，可以帮助您充分利用您的计算机系统。

如何在没有光盘的情况下安装 Windows 7

如何在没有光盘的情况下安装 Windows 7^{(How to Install Windows 7 Without a Disc)}

准备步骤^{(Preparatory Step)}

方法 1：使用 USB 安装 Windows 7
^{(Method 1: Install Windows 7 with a USB
)}

方法 2：使用系统映像重新安装 Windows 7^{(Method 2: Reinstall Windows 7 with System Image)}

如何在没有 Cd 的情况下恢复出厂设置 Windows 7^{(How to Factory Reset Windows 7 Without Cd)}

How to Install Windows 7 Without a Disc