W10 update made computer crash

[Dlpagan]

The Windows 10 update made my laptop crash. It took about an hour to install and when it restarted it wouldn't get pass the password. The screen goes black and won't do anything but allowing me to restart through the task manager

 

[Lutfij]

What was your previous version of Windows? Please state your laptop's make and model.

Have a read through these and see if they are of any help:
How to Avoid Most Windows 10 Issues
How to Upgrade from Windows 7 to Windows 10
How to Upgrade from Windows 8 to Windows 10
and
How to ditch the problematic Win10 upgrade and replace it with a clean install.