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IMac Monitor I have a monitor issue. On my iMac monitor there is a very thin yellow line on the center of my screen. This thin yellow line always appear on the monitor. Is there a way to get rid of it? Please help. thanks.

Posted by Johnsonhma on

  • jmartinezphd Jan 21, 2009

    I used to have a PC. In 2007, I decided to buy a Mac because of the "Equipment prestige and Mac excellent customer service". Nowadays, I am totally disappointed with Mac and all its products. I am more than convinced that I will go back to PC's. My iMac started to show several dead pixels just one day after the one year warranty expired. At that time, I contacted COMPUSA and they wanted to charge me over $900 + service to resolve the problem. A year after (Dec 2009) the right half of my monitor is completely dead...

  • Anonymous Apr 09, 2009

    Half of mionitor i get deepdarker
    It's have i line where it happened



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I agreed with Rob.. a ribbon strip missconection can cause a
Total vertical or horizontal cut out dead pix there is a pix controller
normaly a dead pix shows to diferent scenarios
1)Tiny black or Rows black
Tiny is individual Transistors
Row black means video controller lose connection in ALL transistor over all the axix due to ) condition on the grid controller

Posted on Dec 06, 2007



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What type of monitor is this? If it is an LCD screen, you may have some dead pixels. Please reply with some more details about your specific monitor.

Posted on Sep 07, 2007


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SOURCE: I have an iMac (version 10.4.11)....and have the

the lcd is bad,for some strange reason this is becoming common with Imacs.I recently repaired about 30 with the same problem.The techs at apple wont say why this is hapening they prefer to replace parts.In your case you will have to replace the lcd display and the cable from the display to the logicboard and not the logicboard.
Good luck

Posted on Sep 17, 2009

Macs R We

Macs R We

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SOURCE: thin yellow vertical line

Linear defects of this sort can be caused by a faulty display cable, a faulty LCD panel, or a faulty connector between the two. Much less likely is a problem with your graphic processor, since the line is static in appearance and position. Unless your Mac guy has lots of spare parts hanging around, I would suggest you replace the cable first, as it is the least expensive fix. If that doesn't do the job, then the display panel must be replaced.

Posted on Sep 19, 2009


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SOURCE: Smudge, streaks, rays imac 24 monitor clean inside LCD

Yep, you can clean the LCD and the inside of the glass, but you will need two suction cups for glass. The ones for picking up window glass work. Lay the computer on its back. Place the suction cups at the upper corners and pull straight away from the table. The glass is held on by magnets and may have tabs at the bottom, so once the magnets are loose you may have to lift the glass away from the bottom edge. Be careful, it isn't safety glass and can break if dropped. The hardest part is keeping dust from getting between the screen and the glass during reassembly. Try working in a dust-free environment. I use two micro-fiber cloths, one with screen cleaner and one dry. You can't believe how much static builds up on the inside of the glass. It just sucks in dust. Don't wear fleece or you'll end up with fuzz as well. Stand your iMac up to reinstall. Clean the outside of the glass so you can see any dust on the inside. Place the bottom in place first. As you prepare to move the top into place, have light behind and above you and view the glass with the black screen behind. You can see most of the dust that way. Good luck.

Posted on Apr 26, 2010

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Related Questions:


My iMac has had a reappearing yellow vertical line down the left of my screen for at least two months now!

Maybe the video card. Try to spray with electronic contact cleaner the connections (pc cable to monitor).

3 thin verticle lines 2 pink and one yellow running top to bottom on screen

There is a problem with the monitor. Try resetting the SMC:

If that does not resolve the issue, it will need repair.

Two thin lines (vertical) one blue one yellow permenantly on screen.

Try to check first if the video card cause these lines..
Turn off your computer, replace the video card and check if the lines still display..

If you still see lines, check the cable connected on your monitor to the video card, see if its properly secure and not loose.

If you still see it... then my suggestion is you bring your monitor to a credible technician..see also if your monitor still have its warranty

My monitor has a yellow line running down the middle

This is a bad LCD panel. If it is still under warranty, your best bet is to have it replaced again. The only fix is to replace the actual panel and that would cost more than a new monitor.

I have a yellow vertical stripe on the right side of my monitor, and a thin yellow line near the center screen. in addition there are blue and green discolor brightened pixels that seem to move when i try...

Check the connectors at both ends; on the screen and on the PC. Make sure they're both properly secured.

If they are, then it may be a faulty cable, or a faulty monitor. It's possible but unlikely to be the graphics card.

Vertical lines in my laptop screen

Try connecting an external monitor to the Dell Inspiron 9300 and see if the vertical line is also present on the monitor. If the monitor display is fine, then your laptop’s LCD display panel is defective. If the monitor also displays the vertical line, then your problem is with either the video card or motherboard located inside your laptop.
Not sure if the Compaq Presario has an external monitor plug, but if it does the above procedure can be applied to that one as well.

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Thank You.

Thin yellow line on the right of the LCD Screen

If it's a straight line from top to bottom panel could be defective.Not much you can do as cost of panel will compare with a new monitor.

A very thin vertical brun line in the middle

If it's a straight vertical or horizontal line always in the same place it's a panel issue which the average user even with repairing skills will not be able to reliably repair ,Sorry.

LCD monitor problem

what is the solution for this? my husband just turned his pc on when we got home and there are line blue lines running up n down in the black
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