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Powerbook Wavy Lines
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Fresh-Faced Recruit
Join Date: Mar 2006
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So, I have a 15 inch Powerbook and I just got my it back from the Apple Repair Center. They replaced the display, logic board, cables and outside case. It seemed to be repaired, but now it is making these wavy lines in the screen. I thought that it was being caused by the external hard drive that i had plugged in, but i unpluged it and it still does it. No electronic devices around. I called Apple and they had me reset my ram and run the hardware test. No problems were found. The wavy lines are so random, that it's hard to recreate when it does it, but once it starts, I can hardly see my screen with all the lines.
Does anyone else have any ideas of what could be causing this problem?
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Moderator  Join Date: Oct 2001
Location: San Jose, CA
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Screenshot? Wavy lines doesn't tell us much. With an LCD, you can't really have "wavy lines" unless the graphics hardware is producing them. LCD pixels are either on or off. I'd expect that kind of behavior more from a CRT.
Steve
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Fresh-Faced Recruit
Join Date: Mar 2006
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Originally Posted by ibook_steve
Screenshot? Wavy lines doesn't tell us much. With an LCD, you can't really have "wavy lines" unless the graphics hardware is producing them. LCD pixels are either on or off. I'd expect that kind of behavior more from a CRT.
Steve
I do have a screen shot and a little video. How would i post these on the forum?
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Fresh-Faced Recruit
Join Date: Mar 2006
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Ok. I have found a place to place the screen shot. it is taken from a video, so I hope you can see it ok. it just distorts the picture an puts all these bouncing white lines through the screen.
here is the link: http://img452.imageshack.us/my.php?i...icture39kg.png
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Moderator Join Date: Oct 2001
Location: San Jose, CA
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I'm not quite sure what I'm looking at there. A screenshot of a movie of the problem? Can you just take a photo of your screen when it does this and post it?
Steve
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Fresh-Faced Recruit
Join Date: Mar 2006
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Originally Posted by ibook_steve
I'm not quite sure what I'm looking at there. A screenshot of a movie of the problem? Can you just take a photo of your screen when it does this and post it?
Steve
Sorry i can't get the lines to show up on a regular screen shot. the lines are flashing all over the screen and when i do the screen shot, they don't show up.
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Banned
Join Date: May 2005
Location: on top of Ghoser777 :-)
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are you talking about graphic tearing? i get that sometimes when playing an itunes video in the inside window of itunes.
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Fresh-Faced Recruit
Join Date: Mar 2006
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Originally Posted by rparke1
are you talking about graphic tearing? i get that sometimes when playing an itunes video in the inside window of itunes.
what is graphic tearing? i don't have itunes running.
tonight i notice it starting when my screen saver kicks in and then continues throughout other programs.
once it starts it gets worse and worse.
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Dedicated MacNNer
Join Date: Oct 2001
Location: Washington DC
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They messed up your repair unfortunately. Call Applecare back and have them open a repeat repair ticket....
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