Was installing the windows 10 upgrade and my laptop shut off

[Chain316]

Was installing the Win10 upgrade and my laptop shut off. Now I can hear it still running but the screen won't come on...please help

 

[jaguarskx]

Was the laptop plugged in?

In any case usually when the laptop shuts off while in the middle of an update it screws up the operating system. You are going to have to re-install the old OS from the laptop's recovery partition. Consult your laptop's manual on how to do so.