Using bootrec.exe to fix MBR in Windows 8 (Master Boot Record)

Written by: Dogar Sahab - Published: Thursday, March 22nd, 2012 - Comments

If you are having troubles booting Windows 8, you should most certainly try to fix the master boot record after booting into the safe mode or using the cmd launch option when booting from the Windows 8 DVD


Command Written


What is MBR?

Preview image

MBR or Master Boot Record is the second most important thing after the BIOS which can affect the windows startup in your PC.

This is the fixed “starting point” for booting a machine. When the machine is booted,

it looks here for required instructions and informations on how to boot the disk and load the operating system.

Many virus writers try to affect this critical portion.

Boot viruses are of this type.

Steps to fix MBR for Windows 8

1. Insert your Windows 8 DVD. Restart PC & start booting by pressing a key.

2. Click on next

click next

3. Now, click on Repair your computer .

Click Repair

4. Next, click the option Troubleshoot among the 3 options shown on screen.

Troubleshoot selected

5. Click on Advanced options.

Advanced selected

6. Then click on Command prompt.

Click on Command Prompt

7. The following prompt will appear.

Command Prompt Started

8. Write the following one line command :

bootrec.exe /fixmbr

Command Written

Restart your machine. See your MBR problem has been fixed.

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Written by: Dogar Sahab

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One Response to Using bootrec.exe to fix MBR in Windows 8 (Master Boot Record)

  1. Robert said:

    I’ve recently added an new heatsink to my CPU and had to unplug the 3 hard drives, of which one has Win8, one has Win7 and one is just data.

    I might not have plugged the hard drives in to the exact same spots they were in (didn’t thing it would matter). When I booted up, i got the ol’ “The boot selection failed because a required device is inaccessible” message. Would this bootrec.exe /fixmbr help solve my issue? I’ve gone into the cmd and am able to navigate through the hard drive with Win8 on it, so I don’t believe it’s a hardware technicality.

    Thanks!

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