Safe Mode is a troubleshooting option that limits Windows operations to basic functions. Safe Mode starts Windows with only core drivers and services. Safe Mode with Networking starts Windows with only core drivers plus networking support. To start your computer in Safe Mode or Safe Mode with Networking, follow the instructions below.
Click Start → Power and then hold the Shift key and click Restart.
Click Advanced options.
Click Startup Settings.
After your computer restarts, press 5 on your keyboard to select Safe Mode with Networking.
Type in your username and password to start Windows in Safe Mode with Networking.
Click Start → Power and then click Restart to return to your normal Windows configuration.