windows 7 not booting

i have a system with windows 7. but some one used a software removeWAT(dont know wat it is) After that the system is not booting. It starts & goes up to windows boot screen, and automatically shuts down.  now wat should i do to rectify this problem?

Can i install OS thru USB (backup of os), because it is not booting from USB either?   or can i format the system without booting & install OS?

Pls Help.

 

Question Info


Last updated February 27, 2019 Views 1,089 Applies to:
Answer

 

If you cannot boot into Safe Mode either, I suggest restarting the computer, keeping pressing F8 and choosing the Last Known Good feature.

 If the issue persists, please try methods below:
 

Method 1:

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

1. Put 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, a currency, and a keyboard or another input method, and then click Next.

4. Click Repair your computer.

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

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

7. Type sfc /scannow, and then press ENTER.

 

Method 2:

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

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

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

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

4. Click Repair your computer.

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

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

7. Type Bootrec /RebuildBcd, and then press ENTER.

 

Method 3:

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

1. Put the Windows 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, a currency, and a keyboard or another input method, and then click Next.

4. Click Repair your computer.

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

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

7. Type BOOTREC /FIXMBR, and then press ENTER.

8. Type BOOTREC /FIXBOOT, and then press ENTER.

9. Type Drive:\boot\Bootsect.exe /NT60 All, and then press ENTER.

 

Note: In this command, Drive is the drive where the Windows 7 installation media is located.


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