How to Fix Windows 8 MBR – Master Boot Record Problem

Throughout the years the Windows OS has seen many changes with loads of new features being added all the time. Despite a few teething problems with preview releases, Windows 8 has turned out to be one of the most stable operating systems around.  However, as with everything, m despite testing, there are bound to be a few more problems along the way. One of these is a boot issue and lets face it, if your computer doesn’t boot up, it’s a huge problem.

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If it clearly isn’t a hardware issue then the problem most likely comes from a corrupted or missing file in the Master Boot Record (MBR). This problem will not let you get any further than the BIOS screen or it will flash up a message to tell you that the boot information cannot be found.  At this point, through lack of information mainly, most of us will simply reinstall Windows, which is the wrong thing to do.

Microsoft are not one of the top software providers for nothing. They have foreseen that this problem may arise and, within their troubleshooting toolkit there are a couple of things you can use to try to resolve the problem. The first thing to try is StartUp Repair. However, if this doesn’t work there is another option, using something called Bootrec.exe to fix the issue, and here’s how:

  1. Put the Windows installation disk and reboot your machine. Follow instructions to boot from disk.
  2. When you get to the screen that says install Windows, click on Repair Your Windows instead.
  3. Choose Troubleshoot and Advanced Options.
  4. From here, launch a command prompt window and type in bootrec.exe /fixmbr. fix mbr windows 8
  5. When it is complete, reboot and your computer should start up and take you straight to Windows with no problems.

There are several different Bootrec commands and a full list can be found on the Microsoft Knowledge Base, along with details of what each one is for.