Open Settings and select System. Select Power and sleep, then click on Additional power settings - in the following window, click on 'Choose what the power button does' in the left hand pane.
In the subsequent window, first click on 'Change settings that are currently unavailable' ( near the top of the Window ) and then remove the checkmark from the box against 'Turn on fast start-up (recommended)'. Click the Save Settings button, then close any open windows and restart the notebook.
When windows has reloaded, download the IMEI driver directly from Intel on the following link, unzip the package and run the installer.