Black screen at Startup [Need fix]

ashraf909

Honorable
Aug 20, 2015
16
0
10,520
Hello
I have Toshiba satellite c850-a812 laptop
since 1 month i get a temporary black screen at Startup that varies from 30 secs to 4 mins long duration before laptop continue to windows 10 start,
Else everything works normally after the windows start my laptop is working efficiently.

my battery is broken using power plug in ,

i tried changing windows to 7 but still same problem

[video="https://www.youtube.com/watch?v=oJQjztlIoU0"][/video]
 

ashraf909

Honorable
Aug 20, 2015
16
0
10,520


done and everything is alright as i see
Windows Resource Protection did not find any integrity violations.

 

ashraf909

Honorable
Aug 20, 2015
16
0
10,520
well i just restarted and didn't change anything and it's fixed

i dunno really how it was fixed but should be the data lifeguard diagnostic fixed something or because i have removed battery before restart

Well thanks for help anyway :D
that was a troll bug