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Re: Lines on the Screen
2 possibilities video card is damaged and bleeding ac power from the motherboard or the motherboard is damaged from a power spike and is bleeding ac power into the video card(this would be my best guess based on yur description). that is the best i can do on this info you have given I recommend you take it in to a service center for a definitive answer.
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It's dying. Pretty much simply that, something electrical or electronic (connections from panel to panel edge connectors, connection to circuit board, or internal to a panel matrix chip). Very likely unserviceable, if under warranty, take it back for service. Only other thing, check connector under back of monitor (if it has a connector at both ends). It's an Acer monitor, they aren't terribly durable, so if it's more than 2 or 3 years old, it's probably on it's way to deadville.
Hook up that monitor to another laptop or computer. If it works then its an issue with the vga port on your laptop. If the monitor still shows those lines then you know for sure the monitor is bad and it will have to be replaced.
it sounds like you have some dead pixels in you monitor. i suggest if its still under warranty return it immediately because if not your going to have to buy another monitor if you can live the with lines there. hope this helps.
check if the line appears in BIOS...dont worry when i say BIOS...not sure how to check...turn the system off...restart the system and keep tapping the F2 key...you would get a Blue screen...check if the lines appear on this screen...if it appears...it could either be b'cause the display driver has gone wrong or the system might have a physical damage.....if the lines does not occur on this screen....it is a manufacturing defect...please contact the manufacturer and report the issue for solution....... regards Rocky
My first guess is that the screen circuitry has gone bad - although fixable. Use an external monitor to verify this. If the external monitor is fine then the screen circuitry is bad, if the external screen shows the same problem then the video chip or associated circuitry has gone bad. My company fixes these all the time.