Are you struggling to fix MBR Windows 10? What should you do to solve the MBR error 1? This post of MiniTool will help you analyze the possible causes of the error and provides you with corresponding solutions.

What Sparkles MBR Error 1

MBR (master boot record) is very crucial for your computer, because your PC will look for the location of operating system via MBR once it boots. If there is any issue with MBR, your operating system is unable to be loaded and the computer will enter a standstill.

You may receive an error message “MBR error 1”. Sometimes, it could be “MBR error 2” or “MBR 3”. However, they all indicate there’s something wrong with your computer. There are two possible causes of the MBR error 1.

  • The boot order in BIOS is incorrect: The boot order might be changed due to some reasons, and thus your PC won’t boot from the main storage device.
  • MBR is damaged or corrupted: This can also cause the Windows 10 MBR error 1. If so, you need to repair your MBR.

Fix 1: Change Boot Order in BIOS

If the MBR error 1 Windows 10 occurs, you can check if your boot order in BIOS is right. To do so, you should follow the steps below.

Step 1: Firstly, open or reboot your computer. If your computer cannot boot, you need to reboot it with a Windows installation media or a bootable USB/CD/DVD.

Step 2: In the BIOS Setup Utility page, navigate to the Boot tab according to the pop-up instruction.

Tip: Sometimes, the entry may be named Boot Options, Boot Order or something like this. Besides, the boot options are probably located inside a different menu like Other Options, Advanced BIOS Features or Advanced Options.

Step 3: Then you will see the boot order. In normal, the first boot order should be Hard Drive. Therefore, if your first boot order is not Hard Drive, you should change it by pressing the arrow keys.

check and change the boot order

Step 4: After that, save the changes and exit the BIOS. Then reboot your computer to see if the MBR error 1 is solved. If not, the faulty MBR probably is the causes of error. In this case, follow the methods below to fix MBR Windows 10.

Top recommendation: 5 Reliable Solutions to the Path Not Found C Boot Issue

Fix 2: Fix MBR via Command Prompt

You can fix your MBR via Command Prompt. Similarly, as your computer cannot boot, you need restart your computer under the help of a Windows installation media. Then set the installation media as the first boot order. When you enter this page as showed below, you should select Repair your computer to enter the WinRE page.

repair your computer

Now, just follow the next steps to rebuild MBR.

Step 1: Select Troubleshoot option from the Choose an option menu list.

click on troubleshot

Step 2: Select Advanced options from the Troubleshoot page.

choose advanced options

Step 3: Select Command Prompt in the Advanced options page.

command prompt

Step 4: Type the command bootrec /fixmbr in the page and press Enter key.

Step 5: Type bootrec /fixboot in the page and press Enter key.

Step 6: Type bootrec /scanos in the page and press Enter key.

Step 7: Type bootrec /rebuildbcd in the page and press Enter key.

type command

Tip: These steps are accessible for Windows 8/10 only, but invalid for Windows 7. If you want to rebuild MBR in Windows 7, you need to prepare a CD/DVD/ USB flash drive with an ISO inside to enter the WinRE, and then type commands as the picture shows.

type the given orders

Fix 3: Rebuild MBR via MiniTool Partition Wizard

You can rebuild your MBR to fix MBR error 1 Windows 10 via a professional software – MiniTool Partition Wizard. If you don’t have Windows installation media, MiniTool Partition Wizard Pro Edition enables you to create a Bootable Media with ease.

Step 1: After entering the BIOS page, set the bootable disk as the top boot option in BIOS. You will enter the MiniTool PE Loader page by booting your PC from the created media.

Step 2: Choose Partition Wizard in the MiniTool PE Loader page.

pick partition wizard

Step 3: Click on Launch Application in the pop-up page.

launch application

Step 4: Right click the system disk, and then select the Rebuild MBR feature from the menu.

choose rebuild MBR option

Step 5: Click Apply to execute the operation.

apply the pending operation

You may be also interested in this: How to Fix MBR for Windows 8 When Operating System Cannot Boot

How to Recover the Missing Data Due to MBR Error 1

MBR errors often comes along with hard drive data loss. Besides, you may delete or format files/folders on the computer in the fixing MBR error 1 process. The Data Recovery feature of MiniTool Partition Wizard enables you recover your data in a few clicks.

Tip: You can download one suitable edition based on your demand. MiniTool Partition Wizard Free Edition allows you to recover 1GB data, so if you need to recover more you should get its Ultimate Edition.

MiniTool Partition Wizard FreeClick to Download100%Clean & Safe

Then you can read this guide to recover your data.

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