i got horizontal black line which is expanding to cover all the screen.wt shall i do? pls say smthing.

[solking]

iv toshiba lap top and i got horizontal black line which is expanding to cover all the screen.wt shall i do? pls say smthing.

 

[BadActor]

Clean out the laptop using compressed air, and try uninstalling and reinstalling the video driver from Toshiba's support website.

 

[ffg7]

connect to an external monitor to see if shows same or not.