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In this case, in order to recover the operating system, you must follow a few steps that you can see in the link below:
( Please be aware that the content on that site is not controlled by Intel*. This information is offered for your convenience and should not be viewed as an endorsement by Intel* for the merchants or services offered there. )
For more details it is recommended to get in contact with Microsoft* since they are the ones who have provided the steps in the link above.
Intel Customer Support Technician
Under Contract to Intel Corporation