What does it denote when you hold a white dash going across your computer blind?

Answer:

Hi dear,

white file coming on your screen technique diods of your monitors are gone you have to changed it them you cant chang it any electrician can do it. please loose change it as early as possible otherwise your full monitor will goes bad

bye
Its time to get a unsullied monitor.
99% chance that there's a problem near your monitor. There's not a lot you can do to service a monitor, unless it's still lower than warranty.



Try testing next to a different monitor (from a friend) to make sure.
if your seakers are set to close to your monitor the

enigmatic feild could cause this. try moving them.
okay LCD

there is the blind

there is the cable

and the inverter

... eyeshade need to be replace



CRT, the big one

tube

video card

tube entail to be replace



do you replace the part, if not underneath warranty no, ...
It means time to return with a new computer