Thin white line across laptop screen

SOURCE: white thin line running across horizontal on my hp laptop

You got a bad LCD screen. no immediate resolution aside from getting the LCD replaced. if your system still has warranty call Dell for replacement.

Hope it helps!

SOURCE: i have a thin horizontal line across my dell latitude laptop screen

If the thin line is always there, you have a set of pixels burned out. This usually occures vertically. There is easy fix, except to replace the screen. If the laptop is under warrenty, contact the manufacture for repair options.

Sorry could not be something easier for you.