Restoring the Master Boot Record requires certain computer system skills and administrator access. At the same time, overwriting allows you to get rid of boot viruses.
Necessary
Windows 7
Instructions
Step 1
Insert the Windows 7 installation disc into the drive and simultaneously press the Ctrl + Alt + Del keys to perform an unattended MBR recovery operation.
Step 2
Press the softkey labeled Delete during reboot to enter CMOS Setup Utility and specify the drive as the first boot device.
Step 3
Press the F10 key to confirm the selected changes and wait for the automatic reboot to complete.
Step 4
Press any key when the Press any key to boot from CD or DVD message appears and select "Install Windows" in the Windows Boot Manager dialog box.
Step 5
Press Enter to initiate the installation process and wait for the Windows is loading files message to appear.
Step 6
Specify "Russian" in the keyboard layout selection window after loading the installation files into RAM and press the function key Enter.
Step 7
Specify the required operating system in the new dialog box (if multiple are installed) and apply the checkbox to the Use recovery tools that can help fix problems starting Windows box.
Step 8
Click Next and select Starup Repair in the System Recovery Options dialog box that opens.
This action will launch the Startup Repair tool to diagnose and troubleshoot the system. The appearance of the message Startup repair could not detect a problem will indicate that there are no identified problems.
Step 9
Click the Finish button and select the Restart command.
Step 10
Press the Delete key to enter CMOS Setup Utility during reboot and specify the hard drive as the first boot device.
Step 11
Press the F10 key to confirm the command and wait until the reboot is complete.