Will do in a bit (super busy getting some science results out right now). Can you or anybody here give me advice on how to check somewhat objectively on the lines? Some have said they're faint, and I don't want to make lines up. Is there something like a test image I can use to see the lines clearly if they exist?
about:blank in any browser will do. Lines are most visible when screen brightness is high - set it to maximum, get used to it for a while if you're in well lit place (it's really bright), then look at the screen from ~20 cm distance. Lines are grey and slightly angular - almost horizontal, but going from top right to bottom left. They also seem to "pulse" if looked at closely, but it may be just me seeing things, as I saw no mention of it anywhere (and this issue was discussed over and over again).