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10 Feb 2006
Apple is following-up reports that its new Intel-based iMacs are experiencing video problems preventing the full display of some graphics.
The glitch has come to light via Apple's discussion forums, and is said to be more of an issue when launching Apple's Front Row remote controlled media software.
Users have complained of seeing white lines across their screens. The streaks, also called 'video tearing', are also visible when moving the iCal window around and using certain functions in iMovie.
The company said in a statement: "Apple is aware of this and is looking into it. If a customer has any technical issues, they should contact AppleCare."
In a research note, American Technology Research analyst Shaw Wu downplayed the problem, stating that he did not think any form of recall would be necessary.
"We believe the video glitch with Front Row can be easily fixed with a software update," he said.
Some users have suggested that the problem can be eased by setting the machine's display to 'thousands of colours' rather than 'millions of colours'.
Enthusiast site ConsumerMachine has posted some other tips and further information about the issue.
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Do you agree?
The video chip is running too hot
I had this problem for a LONG time and couldn't figure out why Apple wasn't issuing a software fix. I finally found an article that said the glitches were due to the video chip running too hot and that increasing the fan speed would solve the problem. I downloaded the free fan control software named smcFanControl, set the fan speed at a slightly higher rating and that fixed EVERYTHING. I have not had one problem since then.
Posted by: StormDev 13 Mar 2010
NOT VSYNC
This is no vsync related problem. There are serious issues with video. Glitches, random lines, ghosting, video corruption, blank screen that only shows mouse, impossible to play games in winxp with bootcamp... It is very serious and it is incredible that apple don't recognize the problem and give a solution inmediately. And if it is hardware-related, a massive recall is mandatory, and not a software workaround downgrading graphic capabilities for the problem to not appear...
Posted by: imac user 27 Sep 2007
Not the main problem
As someone who owns a new Intel iMac, I'm rather more concerned about Front Row hanging, crashing and generally being hideously clunky than I am in video tearing, which is something I haven't noticed yet.
Posted by: Matt Gibson 13 Feb 2006
Mac users won't know what this is....
because they don't play games. When the FPS of the scene rendered is more than the monitors refresh rate, the scene will tear. OMG all that means is that the refresh rate of the monitor needs to speed up and or the app needs to redraw the window slower while moving it. It is common to see this in online games like RTS and FPS games where your hardware outpaces the monitor. Usually turning Vsync on fixes the problem in game. I bet Apple can apply a fix with the OS too.
Posted by: PotShotScott 11 Feb 2006
sigh, idiots
There definately won't be a recall for this, infact this is barely news. This isn't a glitch at all, all this means is that the new iMacs are rendering frames faster than the display updates them. Apple will be able to release a small software patch to fix it by enabling vsync.
Posted by: Dave 11 Feb 2006