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odd dead pixel type issue
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Forum Regular
Join Date: Oct 2000
Location: my powerbook :)
Status:
Offline
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i recently had this show up on my display
picture of display oddity
I thought it was a cluster of dead pixels, however.. they move if I change resolution, and if I drag a window or something across them, it will actually create a vapour trail effect.
Any idea what this is? I don't think its any physical defect, since it moves and I can take a screen shot of it, but I can't get rid of it! 
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Mac Elite
Join Date: Oct 1999
Location: near Boulder, Colorado
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Offline
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If the artifacts move when you change resolution, it sounds like a problem with your VRAM, and since PBs don't have a separate video card, that would be a motherboard issue... I guess it's also possible that a connection to the display could do this, a broken ribbon cable or loose connector would be a lot easier to fix than a board problem. Good luck.
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Forum Regular
Join Date: Oct 2000
Location: my powerbook :)
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Offline
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What's kind of odd is that during boot up it's not there. During the apple screen its clean, but once the desktop shows up, they show up.
This just showed up last night, and now that I think of it, it showed up shortly after I ran all the ilife app updates that came out..
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Forum Regular
Join Date: Jan 2006
Location: Orlando, Florida
Status:
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It looks like a videocard issue. Most likely bad video RAM or an overheating videocard.
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Michael Reyes | www.mikochu.com | Power Mac G5 DC 2.3ghz, 2.5gb RAM, 320/250gb HD, Dual Sceptre 20" LCDs | MacBook Pro 2.0ghz, 2gb RAM, 80gb HD, 15.2" LCD, booq Vyper M2 sleeve, OGIO No Drag | iPhone 3G 16gb | iPod 60gb (5g), iPod2Car in the car | iPod 20gb (4g) in an iHome in the bathroom :)
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Addicted to MacNN
Join Date: Oct 2001
Location: BFE
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Offline
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Cool! It looks like sub-pixel failures!
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I'm a bird. I am the 1% (of pets).
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