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iPhoto glitch – colours all messed up and worse
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Dedicated MacNNer
Join Date: Jun 2001
Location: London, UK
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Hey, I was wondering if anyone could shed some light on this problem with iPhoto I'm having. Photos show up fine until I start to zoom into them, or edit them, and I get some pretty nasty visual artefacts ranging from incorrect colour to completely obliterated visuals.
See these screen grabs:
I am using a Macbook Pro CD 2.0GHz with Radeon x1600, OS X 10.6.3 and iPhoto 8.1.2.
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Moderator  Join Date: Apr 2005
Location: Cambridge, UK
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Does this only happen in iPhoto? Can you try playing a game to see what happens?
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Dedicated MacNNer
Join Date: Jun 2001
Location: London, UK
Status:
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Yes, it seems to be specific to iPhoto – I've been playing Second Life and Portal recently and they are fine.
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Dedicated MacNNer
Join Date: Jun 2001
Location: London, UK
Status:
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Moderator  Join Date: Apr 2001
Location: Wasilla, Alaska
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What does external video set to mirror show? Same issues?
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Dedicated MacNNer
Join Date: Jun 2001
Location: London, UK
Status:
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Same issues on an external monitor set to mirror.
Is this looking more like a software problem than a hardware one?
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Moderator Join Date: Apr 2001
Location: Wasilla, Alaska
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I'm thinking your Radeon x1600 is going bad.
I'm trying to think of a test that will be definitive...
In the meantime, why not go ahead and apply the 10.6.4 combo update and see if that fixes anything.
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Moderator Join Date: Apr 2000
Location: Gothenburg, Sweden
Status:
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Can you check the temperatures of that graphics card?
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The low-end Mac Pro is the most overpriced Mac since the IIvx
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Dedicated MacNNer
Join Date: Jun 2001
Location: London, UK
Status:
Offline
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Moderator Join Date: Apr 2000
Location: Gothenburg, Sweden
Status:
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There are a number of third-party apps for that. Here is one I like.
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The low-end Mac Pro is the most overpriced Mac since the IIvx
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Mac Elite
Join Date: Mar 2006
Location: Here
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I've seen this in other C2D MBPs. My theory is a bad card. If it is the same as what I have seen, the problem will not manifest on an external display. It's quite bizarre.
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