If your computer exhibits some problems and denied to open, you can start your Windows in safe mode. If you have the first time to heard of it, Safe mode starts Windows in a basic state, using a limited set of files and drivers. Opening Windows in safe mode enables you to find the problem, and can help you troubleshoot problems on your computer.
You can use safe mode in two ways. Safe Mode and Safe Mode with Networking. The Safe Mode with Networking allows the network drivers and services to access the Internet and other computers on your network.
To boot into safe mode, from settings, press Windows logo key+I on your keyboard to open Settings. You can also select the Start button, then select Settings. Select Update & Security then Recovery. Under Advanced startup, select Restart now. After your PC restarts to the Choose an option screen, select Troubleshoot, then Advanced options, then Startup Settings, then Restart. You may be asked to enter your BitLocker recovery key. After your PC restarts, you’ll see a list of options. Select 4 or press F4 to start your PC in Safe Mode. Or if you’ll need to use the Internet, select 5 or press F5 for Safe Mode with Networking.
If you need to exit safe mode, simply restart your device.