Problem Statement :-If your computer is in the grub mode because of missing of bootmgr file ,there may be so many reasons behind this

1.May be you have dual booting in your system and you have deleted the other OS and deleted the drive in which the partition was installed .

2.Your windows goes somehow corrupt

3.In some cases due to kernel goes in panic mode and after that you reach to grub mode

So here only 27 commands work

So getting back to original windows follow some basic steps…

Method 1: Startup Repair from the Windows Recovery Environment (WinRE)

============================================

1. Insert the Windows 7 installation disc into the disc drive, and then start the computer.

2. Press a key when the message indicating “Press any key to boot from CD or DVD …”. appears.

3. Select a language, a time and currency, and a keyboard or input method, and then click Next. 

4. Click Repair your computer.

5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next.

6. At the System Recovery Options Dialog Box, click on Repair your computer.

7. Click the operating system that you want to repair, and then click Next.

8. In the System Recovery Options dialog box, click Startup Repair.

Method 2: Rebuild BCD using the Bootrec.exe tool

============================================

To run the Bootrec.exe tool, you must start Windows RE. To do this, follow these steps:

1. Put the Windows Vista or Windows 7 installation disc in the disc drive, and then start the computer.

2. Press a key when you are prompted. Select a language, a time, a currency, a keyboard or an input method, and then click Next.

3. Click Repair your computer.

4. Click the operating system that you want to repair, and then click Next.

5. In the System Recovery Options dialog box, click Command Prompt.


6. Type Bootrec.exe or Bootrec.exe/fixmbr, and then press ENTER.

7.Type bootrec/fixmbr

8.type bootrec/fixboot

Method 3: Use the Windows Recovery Environment (WinRE) to run System Restore

============================================

1. Insert the Windows 7 installation disc into the disc drive, and then start the computer.

2. Press a key when the message indicating “Press any key to boot from CD or DVD …”. appears.

3. Select a language, a time and currency, and a keyboard or input method, and then click Next.

4. Click Repair your computer.

5. In the System Recovery Options dialog box, choose the drive of your Windows installation and clickNext 

6. At the System Recovery Options Dialog Box, click on System Restore.

7. Follow the System Restore Wizard instruction as usual and choose the appropriate restore point.

8. Click Finish to restore the system.

Advertisements