MBR, namely Master Boot Record, is the boot sector at the first sector of an internal hard disk partition or removable disk used for IMB PC-compatible systems. If MBR is corrupted or damaged, it would prevent you from booting Windows operating system and lead all partitions on the system to be lost.
Symptoms or MBR Corruption
iCare Data Recovery enables you to recover data from internal / removable hard disk drive after MBR corruption or damage.
Download iCare Data Recovery >> to recover files from hard drive, external hard drive after MBR is corrupted on the disk drive.
MBR is corrupted on an internal hard drive or removable hard disk? Any way, you have chance to recover files from internal hard drive or USB external hard drive after MBR corruption using iCare Data Recovery.
Restore Data from Internal Hard Drive after MBR Damage
When master boot record is corrupted on an internal hard drive, you will probably be not able to boot your computer from Windows OS normally. In this situation, you can connect this hard drive to another Windows PC that works normally and run iCare Data Recovery to recover files from corrupted MBR.
MBR Recovery External Hard Drive
If it is an external hard drive MBR gets damaged, you just need to connect the external HDD to a Windows computer. You can use iCare Data Recovery for MBR recovery from external HD whether Windows OS can still recognize it as a removable disk or even the external does not show up on your computer.
Step1. Run the software and select a scan mode.
Step2. Choose the drive that MBR is corrupted and wait the software to scan it for lost files.
Step3. Preview files after scanning and then save all files you need to another drive.
When PC cannot boot normally from Windows because MBR is corrupted, you may receive some error messages, which include:
You may receive some other error messages due to different reasons. What mentioned above are common messages that usually show on Windows when MBR is damaged.
MBR usually gets damaged due to various reasons. Here are some possible reasons that probably lead MBR to be corrupted:
1. You mistakenly delete some files that related to Windows operating system
2. The BIOS does not detect the hard disk on which you installed Windows OS
3. The hard disk or external hard drive is physically damaged or contains bad sectors
4. MBR is infected with virus
5. Sudden power off that causes system crash
You can fix the corrupted MBR on Windows XP, 7, 8 and 10 with the different methods below:
Method 1: Boot Windows from CD / DVD / USB
Since you are unable to boot Windows and start your computer normally when MBR is damaged, you can boot Windows OS from CD, DVD or USB external hard drive and fix the corrupted MBR.
Repair Corrupted MBR Windows 8 / 10
On Windows 8 / 10, you can follow the steps below to repair damaged MBR:
Step1. Insert the Windows installation disc and boot from CD, DVD or USB drive. (Please change the boot priority from system BIOS to boot from CD, DVD or USB)
Step2. You will enter Windows Setup screen, on which you can set Language, Time and Keyboard or Input Method. Click "Next" button on this screen.
Step3. Click "Repair Your Computer" option
Step4. Click "Troubleshoot"
Step5. Click "Advanced options"
Step6. Click "Command Prompt" to open the command line window
Step7. Type bootrec.exe /fixmbr and then press Enter key to fix the corrupted MBR.
Damaged MBR Repair Windows 7 Vista
You can follow the same guide to fix damaged MBR on Windows Vista or Windows 7.
Take Windows 7 as an example:
Step1. Boot PC from Windows 7 installation CD or DVD
Step2. Set the Language and Time, etc on install Windows screen and then click "Next" button
Step3. Choose "Repair Your Computer" option.
Step4. Select "Use recovery tools that can help fix problems starting Windows" and then select the operating system and click "Next" button.
Step5. Click "Command Prompt" option
Step6. Type bootrec.exe /fixmbr and then press Enter key.
Fix MBR Windows XP
For Windows XP users, you can fix MBR with following tutorial:
Step1. Boot computer from Windows XP installation CF or DVD
Step2. Press R to open "Recovery Console" on Welcome to Setup screen.
Step3. Select log on Windows XP and enter the Administrator and password, and finally click "Next" button.
Step4. Type fixmbr
Method 2: Rebuild MBR Windows 10 / 8 / 7 / XP with system reinstall
You can reinstall system so as to rebuild MBR to fix the problem that computer cannot boot from Windows due to MBR corruption.
Method 3: Master boot record repair external hard drive / HDD by repartition
If the MBR is corrupted due to virus infection, you can connect the hard drive or portable hard drive to another computer and run antivirus software to remove all viruses. Usually, it is difficult to remove MBR viruses thoroughly with antivirus software. Therefore, you can repartition the hard disk or removable disk to rebuild MBR.
Method 4: MBR Repair tool
You can use professional MBR repair tool to fix damaged MBR on Windows.
Last updated on Nov 01, 2022