How do i turn of my laptop's display so i an use 2 other ones

[Rusticcc]

My laptop can only use 2 displays at once. I want to connect 2 displays but one of them keeps on disconnecting

 

[Dulith1118]

laptop model and all???
and try using both displays while plugged into power..

 

[Rusticcc]

laptop model and all???
and try using both displays while plugged into power..

TOSHIBA Satellite C50-b-14-d