Question about Dell Inspiron 7000/7500

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Horizontal line on monitor

I have a 1/4 inch wide colored line at the top of my laptop monitor. It changes colors with the screen, but I can't see mu cursor or top windows options. Can anybody help?

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You need a new flex cable, it connects your screen to your pc's motherboard. You can get one here:

Posted on Aug 07, 2007



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Posted on Jan 02, 2017


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Sorry to say that it is a permanent damage of your monitor screen. Usually you can do nothing. But if you want to change the monitor screen, you have to visit a monitor & television specialist.
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More than likely it's the lcd screen and will have to be replaced. I could be the video card, but most likely the lcd screen especially when you can put pressure on the screen and cause changes. To isolate the problem try connecting another monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the laptop. If the Borrowed monitor displays ok, then the problem is with your lcd screen and the video card is ok. If the Borrowed monitor displays the same as your lcd screen then the problem is with your video card inside the computer.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

Once you narrow it down to the lcd screen as being the problem you might try taking the lcd screen apart to reseat the lcd cable on the back at the top of the lcd. Just unplug it and plug it back into the connector. You can also try doing the same where the lcd cable plugs into the motherboard. Just pull it out and put it back.

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Hi my monitor has colored horizontal lines all over the screen i have tried checking all the connections change plus the lines are still there when the computer is not connected to...

This is bad news, the problem is the screen panel itself, replacing the display would exceed the price of a new monitor. It is far cheaper to buy new, than to try and fix a unit that will cost an arm and a leg.

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I have a Sony vio model PCG-3E2L laptop computer, the problem I have is my laptop screen is getting a horizontal fine line at the bottom one inch above the line is of red color but color changes from...

  1. It smees your LCD is faulty.
  2. connect your laptop to a external monitor. Check if lines are visible or not.
  3. if no line are visible then need to change your LCD.
  4. for changing better to contact service centre.
  5. you can look for used LCD, which will be cheap.

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this thing happened in my laptop also i got green screen fully
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Hello bdedrick708,

If what you are trying to say is that you have a 1/4 inch horizontal line across your screen, this means that something in your vertical deflection circuit has failed. This could be the vertical oscillator, the vertical output processor, the vertical coupling capacitor, or the vertical section of the yoke transformer.

If what you are talking about is a vertical line from top to bottom then you are possibly talking about a failed horizontal section of the yoke transformer.

Why so little about the horizontal section of the yoke? That is because if the horizontal section fails completely then you would lose high voltage and no line would be present because you would not have raster (screen light).

In any even check the yoke transformer first. Then work back from there.

I hope this helps,

Thank you,


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any vertical or horizontal line (any color any size) showing stable on the screen that is the hardware damage at the LCD panel back board ( call panel driver board) . it repair complicate but easy to do change LCD panel (common parts). you need find a PC service dealer to do so.

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