My windows 7 bootmgr image is corrupt? Need help?

Force the Safe Mode boot 1. Click Start type "msconfig" inside the Start Search box, and press the Enter key. 2.now Click the "Boot" tab, & check the "Safe Boot" option and then click on the option ‘OK’. Then, again restart the system. If it does not work,then try the Startup Repair. Startup Repair- .1. Keep pressing F8 when starting up, then , choose "Repair Your Computer" on the startup menu .2. Click the "Next" option and then type the user and the password if prompt, click next .3. then, Choose Startup Repair in the Systems Recovery Options with dialog box. If the issue persists, choose Command Prompt from System Recovery Options and then run the following commands to repair the boot file… BOOTREC /FIXMBRBOOTREC /FIXBOOTBOOTREC /REBUILDBCDBOOTREC /SCANOS if the issue still persists,choose the Command ‘Prompt’ from the System Recovery Options and run the coming following commands to repair the systems boot file_ BOOTREC /FIXMBR+BOOTREC /FIXBOOT+BOOTREC/REBUILDBCD+BOOTREC /SCANOS