Fix MBR in Windows 7

What is MBR?
When the computer system is turned ON the first program that it loads is BIOS (Basic Input Output System).The BIOS also need a memory address from where it can load its Boot Program known as MBR(Master Boot Record) or  Master Boot Sector or Boot Sector which starts the further processing .The exact location of this boot record is cylinder 0, head 0 and sector 1 which is the first available space on harddisk. MBR contains all the necessary information for loading the operating system.

Some Error Messages and their Causes:
If your system’s  MBR gets corrupted your operating system will not load and this is commonly referred as Window Crash.MBR can become corrupted due to viruses in your operating system or sudden Power OFF.Following are the error messages you will get due to corrupt MBR
  • Error in loading operating system
  • Missing operating system
  • Invalid partition table
  • Most Popular = (BSOD) THE BLUE SCREEN OF DEATH...
When a user get these error messages then the first thought comes in his mind is that his windows has been corrupted and he has to reinstall a fresh copy of the operating system.
The thing is that the boot program of the installed OS is present at different memory location on the disk and you have to map the boot loader with the operating system ,not to reinstall the fully OS again.

Now the Steps to fix MBR:
  • Insert Windows 7 DVD in the Disk Drive and Boot From the Disk Drive
  • Choose Your Language, Time, Currency and Click on Next.
  • Now Click on Repair Your Computer.
  • Select the Operating System to Repair Option and Click on Next
  • Now in The System Recovery Options Window Choose the Command Prompt
  • Now Type in CMD Console "bootsect /NT60 SYS /MBR" without Quotes and Press Enter.
  • Once Done, Eject your Disk And Restart Your System
That’s it now your operating system will boot normally without any problem.  ;)
Enjoy..
 

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