苹果MacBook Air（2017/2020/2021款）卸载win10，重新升级至 macOS Monterey，重新安装win10全过程遇到的问题总结

Apple MacBook Air (2017 model) uninstalled win10, re-upgraded to macOS Monterey, and reinstalled win10. Summary of the problems encountered during the whole process of reinstalling win10. According to my own habits, it is impossible to get an Apple notebook, but there is one object. I will send a report during normal work. Yes, sometimes I use bank transfers. I’m not happy to install these bank plug-ins on my computer, because I have a system cleanliness. After all, the information is more important and the object has been using the win10 system since I bought it. I don’t know. It was damaged by some rogue software, and the win10 system couldn’t get in. So I wanted to reinstall win10. If it is my original temperament, even the Apple system would have to be reinstalled. But after all, I’m not good at this stuff, Apple’s system. I went in and saw that there was no problem, so I reinstalled win10. Once the system entered, according to my experience in installing ordinary PCs, I should first split the Apple out of the disk partition of the win system and format the Apple. Fortunately, I made Baidu ahead of time. The article is the solution to this dual system MAC error erasing bootcamp with disk tool https://jingyan.baidu.com/article/3d69c55120e951f0cf02d704.html good guy fortunately I didn’t erase it, otherwise it’s really wrong. The correct way to uninstall win10 Do not directly erase the win10 partition before uninstalling with the bootcamp assistant. The detailed steps for uninstalling win10 macbook air bootcamp https://jingyan.baidu.com/article/2fb0ba40d5d7d800f3ec5f4c.html are actually very simple. Install and uninstall win10 on Apple laptops (any supported win system) system)
You need a tool Boot Camp Assistant, open all programs>Utilities> Boot Camp Assistant (after upgrading to the latest macOS Monterey, it is called Boot Camp Assistant, which is called bootcamp assistant in the old system)
If you have installed the win10 system, open the boot conversion assistant and you will be prompted to uninstall it. It will prompt you to continue to the next step. It will clear the win disk and merge it into one area. If you have not installed win10, as long as you put the latest version of the win10 installation image on the desktop to run The boot conversion assistant will prompt you to install win10 and simply take the next step. It will automatically download the required software and partition and install it. Here I get stuck showing that the system has failed to copy. The program automatically restores to the uninstalled state. What can I do?
The best article I found on the Internet is the Macbook installation Win10 error when copying Windows installation files

When installing windows10 on the macbook, there will be a copy What should I do if there is an error when installing files in windows?
The reason is that the partition of the temporary storage system allocated by Macbook is fat32 format and can only support files with a size below 4G, so we have to streamline the system or install manually. 1 The software conversion system Boot Camp ISO Converter1_6.dmg requires the Mac system to be linked above version 10.12: https://pan.baidu.com/s/18UziuSnhSOkRr1UZQdiuoA Extraction code: jfb5 Method 2 Streamline the system first download Dism++Dism++ | New Windows utility UltraISO download link: https://pan.baidu.com/s/ 1ftH6xqbwBx-1A4FkRjZZFg Extraction code: o9vg Windows load the Win10 image or decompress it, export the install.wim file to open the wim with dism++, then delete all other images except the version you need, and then export and use UltraISO to replace install.wim 3 Download the earlier version. The latest install.win version of WIN10 less than 4GB is the June version of 1903. Win10 version 1903. The install.wim size is below 4G and can be installed.<span class="line" style="height: 20px;">1< /span><br><span class="line" style="height: 20px;">ed2k://|file|cn_windows_10_business_edition_version_1903_updated_june_2019_x64_dvd_830837d9.iso|5032351744|DFF5FF3B87D209D16ECE7543255>https://www.baidu.com ://pan.baidu.com/s/1BCBEYODSDkYO9uzYvuVWVw Extraction code: psvm Method 4 Manual installation of system tools/materials Mac8G or higher U disk Windows 10 Mirroring iSO file Windows support file (WindowsSupport)
Download the Windows 10 image file. Download the latest official original Windows 10 image iSO file on MSDN (https://msdn.itellyou.cn), or download it on the Microsoft website (you must download a 64-bit system).
Download the Windows support file and open Launchpad> Other> Startup Conversion Assistant in Mac.
In the upper left corner> Menu> Operation, click "Download Windows Support File".
Save the file to the USB flash drive on the desktop. Format the USB flash drive. Insert the USB flash drive into the Mac to format it.
Open Launchpad> Other> Disk Utility in the Mac, select the U disk just inserted in the external disk on the left, erase the name and set it to WININSTALL Format as ExFAT copy system file Double-click to open the previously downloaded Windows 10 iSO file and copy all the files inside to Copy the Windows support files in the root directory of the USB flash drive. Copy the Windows support files (Windows Support) downloaded to the desktop to the USB flash drive. Open the Windows system partition on the Mac. Open Launchpad in the Mac> Others> Disk Utility. Select the name of the disk partition that needs to be partitioned. Win format: OSX extension (log type)
The size is allocated according to the needs (at least 30G). Be sure to remember the drive letter size to facilitate the installation of Win, select the drive letter, install Windows 10 and restart the Mac, hold down the Option key when starting, and select the previously made startup when there are several startup disks. Disk and start the installation.
2. After the system installation is complete, copy the Windows support files in the U disk before installation. Open the U disk >WindowsSupport >BootCamp >Setup.exe After the installation is complete, almost all the drivers are installed.
Method 5 System Upgrade Actual measurement Upgrade to macOS Mojave 10.14.2 can solve the problem Source https://weibo.com/ttarticle/p/show?id=2309404619850571186569 After reading it, I understand the principle of the error. Macbook allocates the temporary storage system partition Because the fat32 format can only support files with a size below 4G, it will cause win10 images larger than 4G to be unable to be copied to fat32 disks. There are many solutions given in the above article. I suggest directly upgrading to the latest version of macOS Monterey. The simplest system Because the tutorials for other partitions are not impossible to do, but troublesome and error-prone. If you are not too troublesome, you can refer to the Mac to install the Win10 dual system to solve the formatting failure and copying failure.https://jingyan.baidu.com/article/6fb756ec58f4d7241858fb2c.htmlHere I am Is it strongly not recommended. Just upgrading to the latest Apple system is the perfect solution. I have searched for 17 years. Can Mac book air upgrade to the latest system?
Check out the following three articles https://discussionschinese.apple.com/thread/250477622 How to upgrade to macOS Monterey https://support.apple.com/zh-cn/HT212735 Use "Time Machine" to backup your Mac https:/ /support.apple.com/zh-cn/HT201250 Here I have to talk about the safest thing, of course, is to back up and then reinstall. But when I plug in my mobile hard drive, it will prompt whether to back up the mobile hard drive originally. I clicked Yes, but It needs to be erased, that is, the good guy is formatting. If you want to back up all the data of your Apple notebook system, you need to prepare a mobile hard disk and it is not needed. Because it needs to be fully formatted because I cannot find an unused hard disk for the time being, I will omit the backup step. Just follow the official tutorial to upgrade the system directly. After the upgrade is complete, use the startup assistant to install win10. You can refer to the installation tutorial 2017 macbook air13 to install the windows10 system https://jingyan.baidu.com/article/1974b2895fbb7df4b1f774b9.html I think the latest version The tutorials should all be the same. Of course, you need to download the latest win10 system image in advance and put it on the desktop. Finally, I successfully upgraded the Apple system and installed the latest version of the win10 system. Thank you for watching

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