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Apple Computing Products:
macOS - Desktop Hardware
Imac displays shows stripes at boot
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<blockquote data-quote="lclev" data-source="post: 1798439" data-attributes="member: 307555"><p>This is a very old thread but hopefully others will chime in. My guess - if it will boot in safe mode:</p><p></p><p>1. Get any thing you want to keep off of it - data, apps, etc.</p><p></p><p>2. The fact it will boot to safe mode and you don't see the yellow lines or dots I believe is only temporary as it looks like the GPU is going.</p><p></p><p>Here is a link to a person who had a very similar set of symptoms on a 2010 iMac. There are some links to some suggestions to fixing it. It is on the ifixit site so there will be a lot more information on how to's there.</p><p></p><p><a href="https://www.ifixit.com/Answers/View/120164/The+display+boots+up+with+vertical+yellow+lines" target="_blank">https://www.ifixit.com/Answers/View/120164/The+display+boots+up+with+vertical+yellow+lines</a>.</p><p></p><p>Lisa</p></blockquote><p></p>
[QUOTE="lclev, post: 1798439, member: 307555"] This is a very old thread but hopefully others will chime in. My guess - if it will boot in safe mode: 1. Get any thing you want to keep off of it - data, apps, etc. 2. The fact it will boot to safe mode and you don't see the yellow lines or dots I believe is only temporary as it looks like the GPU is going. Here is a link to a person who had a very similar set of symptoms on a 2010 iMac. There are some links to some suggestions to fixing it. It is on the ifixit site so there will be a lot more information on how to's there. [url]https://www.ifixit.com/Answers/View/120164/The+display+boots+up+with+vertical+yellow+lines[/url]. Lisa [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Imac displays shows stripes at boot
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