Windows 10: After I'm putting my password In on my laptop the screen is going black

So yesterday I restarted my laptop and everything was fine until this happend so I'm like let me just turn it off again so did it and I did the same so I'm leaving it and then after a few mins its loading up could I get some help please,and I've just reset the laptop


Hp

:)

 

Black Screen after Log on


Computer boots to windows log on,have no password here.After a minute on log on it go to a black screen,stays there forever. I can get to Task Manager from black Screen,lost on what to do next. Just want my Windows 10 back, not sure what caused this problem. Any Suggestion on what my next step should be?*Sad

 

Toshiba Laptop Black Screen

I have a Toshiba Laptop, Was reinstalling windows 7 on it last night left it doing the updates then shut it down. Turned it on this this afternoon only to find the laptop screen is Black and also there is a burning smell coming from the Fan.

I connected the Laptop to a external monitor that is fine, Can go into bios, Windows boots up fine Etc.
Just took apart the laptop earlier to check all the cables where in correctly, Checked the motherboard over for any damage, burnt bits but but found nothing. Just put it back together now but im still getting this burning smell and i still cant use the laptop screen only a external screen.

I Tried Pressing FN+F5 to switch to the laptop screen, But still black screen. Any Suggestions please ?

Thanks

 

Black Screen after Log on

So this is not a BSOD ? Have a Windows 10 disc or USB Flash Drive made ? How are you getting to task manager Ctrl.+Alt+Del ? Any cursor on screen ?