On the login screen, shift clck Restart. Choose troubleshoot> Advanced > Startup settings. Press 4 for Safe Mode.
When inside safe mode, open an command prompt, right click as admin. Then type in "CHKDSK /F". Let it reboot to try and fix the hard disk/SSD.
When inside safe mode, open an command prompt, right click as admin. Then type in "CHKDSK /F". Let it reboot to try and fix the hard disk/SSD.