Score:1

After Ubuntu update I see pink vertical lines on my display

in flag

I have a old laptop and have Ubuntu 20.04 on it, I did some Ubuntu base update and after it I see a lots on vertical pink lines in my laptop, not sure if its related to update or my display has become faulty, can anyone share any insight?

enter image description here

us flag
I’ve seen this before. Sadly, it’s usually due to a bad screen. It may be a coincidence that it occurred when you upgraded. Just to make sure, create a usb with an older version of Ubuntu such as 18.04. Boot into the Live Environment. If you still see the pink vertical lines, it is a hardware issue.
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