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There are pixel vertical lines on my Compaq PresareoM2000. In the beginning it was one line but over the period additional lines kept appearing and now these are eighteen lines

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Hi, i have AL1716 monitor (2 year old). Recently, there is a blue vertical line which appears on and off sometimes in the monitor. Can anyone suggest on a solution


Is the vertical line always at one location ? (on the screen)
If so, it appears that the video card/driver (on your PC or laptop) may be causing the line to appear occasionally ... i.e. flaky ... and it will likely fail (completely) in due time. To confirm it's the video card, try using another monitor (long enough) to see if it happens.
[ The line may also be caused by "dead" pixel on the screen ... but this usually happens on randomly located pixels on the screen, not on one vertical line. But, it may also be a possibility ... in which case, using a different monitor may prove it one way or the other ]

Aug 11, 2010 | Computers & Internet

1 Answer

Vertical line running down screen....help.....


LCD is probably getting dead pixels - in other words, starting to fail. It may be like that for years, or you might see additional lines starting to appear quite rapidly. You might want to look for a replacement LCD sometime soon.

Feb 01, 2010 | Dell Latitude C400 Notebook

1 Answer

Very thin vertical red line just appeared on my monitor. It is about 5-6 inches from left side.


LCD is starting to go bad. Anytime lines start appearing randomly or constantly, the pixels are going bad so the screen needs replacing.

Nov 30, 2009 | Compaq Presario M2000 Notebook

1 Answer

Blue vertical line


The lines appearing on your LCD means it has a defect on the screen.

There are 3 types of pixel defect
1) dead pixel - pixel is always off
2) stuck pixel - pixel is always on
3) hot pixel - pixel is on but in red, green, blue or yellow, can also be a light black color

You can try to fix stuck or hot pixels but dead is dead.
1st method, flashing different colors rapidly:
JSScreenfix.com has a great tool. This is their free java applet or you can download it below.

2nd method, applying pressure to pixel:
Damp paper towel, Small stylus or dull pencil.

3rd method, tapping the pixel:
Pen with cover on or another small, blunt object.


If your laptop is still under warranty, get it replaced. If not you are looking at the most expensive part in a laptop to get replaced. (LCD screens on laptop is roughly equivalent to 40-60% of the total laptop cost

Please rate this if it this helps.

Jun 05, 2009 | Compaq Presario M2000 Notebook

2 Answers

My Ibm Laptop r51 has a vertical lines on the screen


The lines appearing on your LCD means it has a defect on the screen.

There are 3 types of pixel defect
1) dead pixel - pixel is always off
2) stuck pixel - pixel is always on
3) hot pixel - pixel is on but in red, green, blue or yellow, can also be a light black color

You can try to fix stuck or hot pixels but dead is dead.
1st method, flashing different colors rapidly:
JSScreenfix.com has a great tool. This is their free java applet or you can download it below.

2nd method, applying pressure to pixel:
Damp paper towel, Small stylus or dull pencil.

3rd method, tapping the pixel:
Pen with cover on or another small, blunt object.


If your laptop is still under warranty, get it replaced. If not you are looking at the most expensive part in a laptop to get replaced. (LCD screens on laptop is roughly equivalent to 40-60% of the total laptop cost

Please rate this if it this helps.

Jun 02, 2009 | IBM ThinkPad R51 Notebook

1 Answer

Vertical line on my Compaq Presario C700 Screen


maybe you have death pixel's
or your screen have break any stuff that it his made

May 18, 2009 | Compaq Presario C700T Notebook

1 Answer

Red vertical line appears intermittently


you have to have the entire screen replaced. hitachi tried to fix mine twice and couldnt, i finally took them to court and won. want my advice? get a new tv and never by a hitachi again!!! they are the worst!

Jan 23, 2009 | Hitachi 55HDX61 Television

1 Answer

Yellow vertical lines on the screen of my DELL inspiron 9300


The pixels are shot - common for lower priced LCD monitors. Once it starts, it will continue. Theres no inexpensive fix for it - time to retire the Compaq

Nov 28, 2008 | Compaq Presario M2000 Notebook

1 Answer

Red and Blue vertical lines top to bottom on LCD Screen


yes it looks like its going bad..must be pixel burnout or something..you will have to contact HP for repair/replacement

Nov 23, 2008 | HP Compaq nc8000 Notebook

1 Answer

Line in my lc screen


A line from top to bottom or side to side is a dead or failed pixel sensor. There are hundreds of pixel sensors at the edges of the screen, when one fails it causes a line, the line can be red, blue, white, or black. Unfortunately, there is no way of repairing the line, other that replacing the screen.

Jul 29, 2008 | Compaq Presario 700 470024-192 Notebook

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