Boot MBR is missing error on laptop.

Asked By rajeshrane 0 points N/A Posted on - 10/08/2011

I am having lenovo laptop. I am trying to install the windows 7. i am getting error as 'Boot MBR is missing' How to overcome this error?   Please provide the solution in detailed steps.

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• Question Category: Windows 7

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Answered By Sharath Reddy 590495 points N/A #89331

Boot MBR is missing error on laptop.

The Windows 7 installer I think is just the same as Windows XP which is a bootable CD. If you are using an illegal version of Windows 7 and you are having a missing Master Boot Record error while performing the installation, maybe there is an error in the partition. Divide first your hard drive into 2 separate partitions. The first partition C is the default drive and will be used by Windows 7 operating system and the second partition D is dedicated to all of your data files. Load Windows 7 installer CD on your CD/DVD-ROM drive and boot on your CD. Most Windows NT-based operating systems are already capable of creating partition via the installer CD. Follow the instructions on the disc on how to create a partition.

The Master Boot Record (MBR) is automatically created when you install an operating system. If that error keeps on appearing when you are installing Windows 7, obtain another copy of this installer. The installer itself has a problem.

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Answered By Paul Mac 0 points N/A #89332

Boot MBR is missing error on laptop.

 

Master Boot Record(MBR):

To over come Boot MBR missing while installing windows 7 :

Step1: First you need to boot your computer to windows 7 DVD or to a repair CD and choose install.

Step2: Select your language and click next button.
Step3: User recovery tools option window is seen, click on select a operating system to use and next.
Step4: Now select command prompt.
Step5: Command prompt gets opened, bootsect.exe is the command that we use which is in the folder “boot” on the DVD.
Step6: We need to know which drive letter is assigned to the DVD drive to access the folder.

In command prompt use the code

Type: diskpart
and press enter

type: select disk 0
end press enter

Type; list volume
end press enter

and you can find that DVD letter : E(it depends)
using the DVD letter write the following code

Type: exit
and press enter (to close disk part )

Type:E:(use the letter of your DVD drive)
and press enter

Type: cd boot
and press enter

Type: dir
and press enter

To restore the “bootsector code”

Type:bootsect/nt60 sys/mbr
and press enter

If the “bootsect” method fails to restore the MBR  you can try “bootrec” command
as it is also used for repairing MBR.

when completed successfully
type: exit
and press enter

and the command prompt is closed,now select “restart” or “shutdown” from system recovery option window and you can reboot your system into windows 7

 

 

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• Posted on - 01/07/2012
• Question Category: Windows 7