Hello! I've been using my Compaq Presario (M2223AP) Laptop for 2 years now, then all of a sudden I saw 2 vertical lines on the screen. 1 line is a clear red line (but not so thick & dark) located about 1/3 from the left of the screen while the other is a very faint (thin, almost transparent) line located about 1/5 from the right of the screen. I think it might be a monitor problem. I'm not very good in fixing computers so I have not done anything about it yet. I'd appreciate your help very much. Thanks!
This appears to be a duplicate posting, see this link for the active post: http://www.fixya.com/support/t152864-vertical_lines_in_laptop_screen
Although it could be a screen problem, it is more likely either a loose connection on the inside of the LCD or the video inverter itself which is a board that the LCD attaches to before going to the motherboard. Try hooking it up to an external monitor and if it doesn't do it on that, then we know its not the video card / video output. After that it would be what I spoke of above.
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