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Second patch for 27-inch iMacs in development?

updated 01:45 pm EST, Mon January 25, 2010

Some flickering unresolved after first fix

A second fix is in the works for video glitches on 27-inch iMacs, AppleCare technicians are said to be claiming. The initial firmware update was released in December, meant to correct trouble with flickering displays. Some owners have complained of persistent problems however, and called AppleCare to see if any solutions are available.

Some technicians are allegedly telling customers that a fix is not only in development, but due in three weeks. "This will reportedly resolve the issue of the screen flickering (it is not hardware causing the issue)," one of the informed people writes. If true the timing would suggest a reason for recent shipping delays, which have pushed 27-inch iMac delivery beyond three weeks.

An Apple representative insists that the delay is associated not with technical problems, but rather the popularity of the 27-inch model combined with limited component supplies. Another AppleCare customer claims to have been told that the glitches originate from a faulty video card cable, and that only new hardware can solve matters. iMac flaws may in fact hurt the company's Q1 2010 financial results, set to be announced later today.

by MacNN Staff



  1. facebook_Jason

    Via Facebook

    Joined: Jan 2010


    Flickering Displays

    My original Unibody MBP had a flickering display issues associated with the 9600M graphics chipset. When I used the GT side, it worked just fine. It took Apple a really long time to come through, and it ended up being a hardware fix. No firmware was able to fix it.

    Here is a Youtube video showing pretty much what I experienced.

    Apple needs to seriously review its graphics situation. They've had nothing but issues for years with graphics chipsets and stuff like this. I wonder if this is a case of some engineer at Apple on the brink of suicide because his department is spending money trying to figure out a problem he informed management long before chips were printed.

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