Safe mode starts Windows in a basic state, using a limited set of files and drivers. It can help you troubleshoot problems on your PC. For example, if the problem doesn't happen in safe mode, you'll know default settings and basic device drivers aren't causing the issue.
There are two versions of safe mode: Safe Mode and Safe Mode with Networking. They're quite similar, but Safe Mode with Networking includes the network drivers and services you'll need to access the Internet and other computers on your network.
The following sections describe how to start your PC in safe mode. Looking for info on black or blank screen errors that prevent you from reaching the sign-in screen?