If you are having trouble with Windows 10 stuck on the loading screen, try this.
1. Hold down the power button for 5-10 seconds until it turns off
2. Unplug your computer from the power source and hold down the power button again for 5-10 seconds until it turns back on
3. Plug your computer back in to the power source and hold down the power button again for 5-10 seconds until it turns off