acer chrome os

[Stephen_172]

a vertical thread in the center of the screen light in color

 

[ffg7]

connect to an external monitor even a friends for testing purposes to see if still has that issue on the monitor. make & model# of that acer laptop?

 

[atljsf]

if you are asking us what you see on a screen, from what you describe sounds like dead pixels, but not sure if caused by a damaged screen or defective, a picture could tell us a bit more

if it is under warranty, i would apply that warranty, if it is new, rma the thing, ask your money back