If the boot loader is corrupted, how can I repair my Windows 10 OS?

在某部UEFI[1]的電腦使用GPT[2]硬碟，裝正體中文版Windows 10 Home 64位元， 自行做磁碟分割，不使用MSR與修復磁區，三個分割區：EFI、OS、資料磁區。

1/ Create installation media and plug on device -> https://www.microsoft.com/en-gb/software-downlo... · 2/ Select Command Prompt and type the ...

Now you can use the bootrec command to repair the master boot record and boot configuration: bootrec /fixmbr bootrec /fixboot bootrec /scanos ...

評分 5.0 (317) · 免費 · Windows · To start recovering the loader using the command prompt, you need to open it first. It can be done using the boot drive or the recovery and diagnostics menu.

如何修復Windows 10 丟失UEFI引導(bootloader)無法開機？使用Windows 10 1909 修復示範 ... 如果讀者還想多了解BIOS這類韌體，可以參考：(Other)UEFI? BIOS?

方法1.使用啟動磁碟修復Windows 10/8/7上的EFI引導程式 · 將可啟動USB 或CD/DVD 連線到您的電腦。 · 重新啟動電腦時按F2 或Del 進入BIOS 畫面。設定並從「可 ...

You need to use the BCDBoot.exe tool to restore bootloader files and fix the boot records on the EFI partition by copying them from the system ...

Repair EFI Bootloader in Windows 10 · Insert the Media (DVD or USB) in your personal computer and restart. · Boot from the media. · Select Repair Your Computer.

A few weeks ago I showed you how to fix a UEFI boot loader. Today we are going to fix an MBR boot loader. a master boot record partition as ...