Windows 10 preview not booting up

[audi360]

Just updated to the latest build from Windows 8.0 via the ISO file and after typing the passwords to get into my user, a black screen showed.i can only move the mouse on the black screen but can't do anything else. What should I do? Help please. Tried turning the device off and starting it again

 

[audi360]

Help please

 

[FAHMI BASSEM]

Tell us more about your PC

 

[audi360]

Tell us more about your PC

I got an Asus N56V with Intel core i7 and NVIDIA 750M graphics card

 

[FAHMI BASSEM]

Look in the internet for, rescue mode
On my VAIO I can easily access it via ASSIST button