Try this 1
Let me know if you are able to open safe mode or safe mode with networking.
When you switch ON your computer, start tapping the "F8" key to get "Windows
Advanced Options"( if boot menu appears, press "Esc" key and keep tapping the
F8 key). Select "Safe Mode"
If the problem still exists, hold the Ctrl & Shift keys and press Esc key. Let me
know if you are able to open Task Manager when black screen appears.