Plz Help me....

I have Dell Inspiron 3521 laptop with windows 8.

I started the recovery procedure, after some time it is showing this error...

Your PC needs to be repaired. The application or operating system couldn't be loaded because a required file is missing or contains errors.

File: \Windows\system32\winload.efi

Error Code:0xc000000f

You'll need to use the recovery tools on your installation media. If you don't have any installation media, contact your system administrator or PC manufacturer.

In last three options are coming:

Press Enter to try again (Nothing is happening)

Press F8 for startup settings (Nothing is happening )

Press for UEFI Firmware Settings (Only this option is working )

Please reply me with a genuine solution soon.