Tuesday, 17 December 2013

Repair WIndows 7 MBR boot record

I have Windows 7 installation, and try to dual boot with FreeBSD 9. Then problem occurs and fail to create the BSD. and then the Windows 7 cannot boot either. The windows partition is still not touched, but cannot boot to windows.

So the question was how to repair the Windows 7 Master Boot Record (MBR) ?

After search on google, there are solution to repair it using the windows 7 instalation disk.

Here are the step done and documented :

1. Boot to the Windows 7 installation disk


2.  Select the Install Now


3. Select the recovery mode


 4. Select the command prompt options.


5. Then you got some msdos prompt like :
    x:\windows\system32>
6. Then type :  dispkart  and press enter
7. Type : select disk 0  and press enter
8. Type : list volume and press enter
9.There will be a list of volume, search for your windows 7 cdrom drive letter.
10. Then type :  exit  and press enter
11. Then go to your windows 7 dvd drive , if it is g then go to g: by type G: and then enter
12. Then type  cd boot
13. Then to restore your MBR do this :
       bootsect /nt60 SYS /mbr  and press enter
14. Then you will be informed about the BOOTMGR volume update.
15. Then exit the msdos, and reboot/ restart.

Don't forget eject your DVD, and your windows7 will be boot and can be use again.

Welcome back to the windows.


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