Why do random colorful lines appear on my screen?
It looks as if it were broken, but it still works. I have concerns. Will it cause any permanent damage to my laptop?
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I have had this done to a phone i had some time ago, it is a loose cable somewhere along to the screen and the “random colors” is normal for some devices of age, it is a part of the screen that isn’t getting told what color to be (to some extent) so it turns on or off some pixels because it ist getting told to have those parts of the screen to be “off”, it will not cause any more damage, so feel free to get a new screen but it’s not required and will still function normally without issue.
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Stefie how do you see your screen if it has lines, or are you connecting to another monitor? No, it will cause no further damage since the damage is already done. In the long run it is always better to fix things
by oldturkey03
Those lines appear in only a section of the screen for a little time, but like you have mentioned, it is worrisome
by Stefie
Sounds like your screen is starting to lose its data connection. Of course could just be a lose wire but it does concern me and I would at start looking for a new screen. Still time to shop around......
by oldturkey03