Insert your bootable os media to Laptop or Computer
Step 2:
Enter to the installation mode and click next.
Step 3:
Select repair your computer option left down side corner of the page
Step 4:
Select trouble shoot option and then select advanced option
Step 5:
Select the command prompt and type the following commands
x:\Sources> Bootrec /fixmbr
x:\Sources> Bootrec /fixboot
x:\Sources> Bootrec /scanos
x:\Sources> Bootrec /rebuildbcd
Select the option A for all
Step 6:
Type Exit and select continue option.
