How to Start Windows10 in Safe Mode.

  • Click or tap the Start button, and then the Power button. Hold down the Shift key when you select Restart.
  • Next Page, select Troubleshoot-->Advanced options-->Startup Settings.
  • In the Startup Settings screen, Click the Restart button. The PC will reboot, and bring you to a Startup Settings screen.
  • Next select Enable Safe Mode or Enable Safe Mode with Networking.