How to enter the safe mode of Windows 10
Step 1. Hold down the windows + X buttons, select Restart and hold the left Shift button until the diagnostic parameters enter.
Step 2. You will be taken to the windows 10 recovery environment. In this environment, you can reset the settings, restore the system and much more. In the recovery environment, click on Troubleshooting.
Next, select Advanced Options.
See also :Perform a clean boot in Windows 10/8/7
Click the Restart button.
Press the F4 keypad to start the windows 10 system startup procedure in safe mode.