Safe Mode is a powerful tool that load a minimal set of drivers for fixing problems in Windows. Windows Safe Mode option allows you to start Windows without loading any unnecessary drivers or software when you have any system-critical problem in windows. This option allows you to troubleshoot Windows easily. Safe Mode is the first step in recovering a crashed computer when Windows restarts continuously with blue screen known as Blue Screen of Death.
Only basic drivers like mouse, monitor, keyboard, mass storage, base video, default system services, and no network connections will be available in safe mode.