Question about Apple Cinema Display 23" HD Monitor

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Apple 23in HD display pink hue issues

My Apple 23in HD display has pink hue issues one minute it was clear as a bell and the next minute the whole screen went pink!! I've seen MANY posts online about this issue but no solutions. Please help!

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4 Suggested Answers

FixMySadMac
  • 10 Answers

SOURCE: Screen resolution.

Hello there!

It's fortunately quite easy to adjust the resolution your MacBook Pro sends over to your external display.  Try this:

  1. Click the blue Apple icon, at the top-left of your display (while connected to your 23" external monitor).
  2. Click on "System Preferences".
  3. Click on "Displays" in the "Hardware" row.
  4. A display preferences window should now open on each display... one on your laptop, and one on the 23".
  5. In the "Display" tab of this preference window, specifically the one located on your 23" display, should be a list of resolutions available.  Scroll down and select the highest resolution, which for a 23" should be 1920x1200.
This should adjust your resolution to the maximum.  To make these settings easier to get to in the future, check the box in the display preferences labeled "Show displays in menu bar".  You'll see a small icon, meant to look like a display, appear in your menu bar.  Going forward, you can click on this to set/change resolution settings without going through all the above steps.

Hope this helps!

Posted on Oct 15, 2007

SOURCE: Apple Cinema Display 23" HD - Dust on inside of screen.

The dust in a can will ruin a computer because it only blows the dust around. Use a vacuum cleaner or a dry vac to get rid of dust.

The only solution to your problem would be to take the screen apart and clean the dust out.

Posted on May 29, 2008

Moozler
  • 3 Answers

SOURCE: Apple Cinema Display 23" LED short-long-short flash prob.

Hello, I had the "short long short" blinking led problem with my 23" ACD after a power outage which left my screen blank and my cheek wet with a tear for my baby. I read somewhere that a guy was getting a 1 volt reading on the middle pin of his damaged 90 watt power block. I figured maybe the display might work if I could somehow block the middle pin. So I cut a small strip of paper wide enough to block just the middle pin and long enough to cover both sides, folded it to look like a "W" from the side. I then carefully pressed it into the brick receptacle with a toothpick leaving just a little slack so it would not tear when I pushed in the small white plug. It was a bit of a tight fit but guess what. IT WORKED! I am now enjoying my beloved monitor anew and saved $$$ on replacement brick or repair. If you want to try it and you feel you’ve nothing to lose, make sure you cover just the middle pin (both sides) and you may have to try a couple of times. It worked for me. I hope you have good luck too. Regards, Moozler

edit December 2016. Still working after 7 years.

***CAVEAT AND WARNING***
Use this fix at your own risk.
A faulty voltage regulator is probably the cause of failure. Voltage regulators can start a fire if too much voltage is applied.

Bud Martin's post below describes the electronic component failure that causes this problem. Thank you Bud.

Posted on Oct 27, 2009

  • 163 Answers

SOURCE: Apple Cinema HD Display 30'' black screen, power light blinking

I don't know what might have happened, but a number of years ago I had an apple monitor and the power light on it started blinking, so I got in touch with apple and they told me that it's flashing an error code, so they told me what the blinking indicated and fixed it.

So I think the blinking of the power light on your monitor could be indicating an error code so I suggest you call apple and they will identify what the error is indicating.

Posted on Feb 11, 2010

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