Try the following ...
Start tapping the F8 key after you press the ON button, and continue tapping until you are presented with the "Windows Advanced Options Menu" screen.
Use the UP/DOWN arrow keys to select "Last known good configuration", and press the <ENTER> key.
The computer will attempt to load Windows.
If Windows does not start, try the same thing again .... and continue trying for at least 10 times, before you rule that option out as a means of getting your OS up and running again, normally.
Why 10 times? Based on past experience, a successful result is sometimes achieved after several consecutive failed attempts.
*I don't know whether you are getting a BSOD/restart or simply arriving at a blank screen ... ?
If a BSOD/restart, do the following ...
To get a look at the error message presented by the BSOD (blue screen of death) ....
Start tapping the F8 key after you press the ON button, and continue tapping until you are presented with the "Windows Advanced Options Menu" screen.
Use the UP/DOWN arrow keys to select "Disable automatic restart on system failure" and press the <ENTER> key.
Your system will attempt to restart normally, but when it crashes, it will not re-start: Instead, you will see a BSOD with error message.
Record the error message in full detail, and post in this thread.
If a blank screen ...
Try Ctrl+Shift+Esc to attempt to bring up the Task Manager window.
Please describe what happens when attempting to start normally, and then likewise for Safe Mode.
Try Safe Mode with Command Prompt too.
An off-line system restore might get you out of trouble ...
System Restore from Recovery Console
http://2pure.net/index.php?session=0&action=read&click=open&article=1150238652
(There are a few mistakes in the the instructions text, but simply ignore those.
There is a significant mistake in Step #6 when changing the prompt back one directory level: This is given as cd..
In fact you must enter a space between cd and the two dots, so that it looks like this cd .. )
Start tapping the F8 key after you press the ON button, and continue tapping until you are presented with the "Windows Advanced Options Menu" screen.
Use the UP/DOWN arrow keys to select "Last known good configuration", and press the <ENTER> key.
The computer will attempt to load Windows.
If Windows does not start, try the same thing again .... and continue trying for at least 10 times, before you rule that option out as a means of getting your OS up and running again, normally.
Why 10 times? Based on past experience, a successful result is sometimes achieved after several consecutive failed attempts.
*I don't know whether you are getting a BSOD/restart or simply arriving at a blank screen ... ?
If a BSOD/restart, do the following ...
To get a look at the error message presented by the BSOD (blue screen of death) ....
Start tapping the F8 key after you press the ON button, and continue tapping until you are presented with the "Windows Advanced Options Menu" screen.
Use the UP/DOWN arrow keys to select "Disable automatic restart on system failure" and press the <ENTER> key.
Your system will attempt to restart normally, but when it crashes, it will not re-start: Instead, you will see a BSOD with error message.
Record the error message in full detail, and post in this thread.
If a blank screen ...
Try Ctrl+Shift+Esc to attempt to bring up the Task Manager window.
Please describe what happens when attempting to start normally, and then likewise for Safe Mode.
Try Safe Mode with Command Prompt too.
An off-line system restore might get you out of trouble ...
System Restore from Recovery Console
http://2pure.net/index.php?session=0&action=read&click=open&article=1150238652
(There are a few mistakes in the the instructions text, but simply ignore those.
There is a significant mistake in Step #6 when changing the prompt back one directory level: This is given as cd..
In fact you must enter a space between cd and the two dots, so that it looks like this cd .. )