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Apple Computing Products:
macOS - Desktop Hardware
Shutdown iMac (24 pouces, début 2009)
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<blockquote data-quote="pigoo3" data-source="post: 1911693" data-attributes="member: 56379"><p>If you've tried fresh installs of this many macOS versions...and the RAM is 100% good...very very possible this iMac has a hardware issue (logic board issue)...maybe related to the graphics hardware (as you suggested above).</p><p></p><p>If this 2009 iMac has dedicated/removable graphics hardware (some do)...you could try removing it & replacing any thermal paste or thermal pads. But if the graphics hardware has failed in some way...might be the end of the line for this computer (since replacement graphics hardware or a replacement logic board...could very likely cost more than the computer is worth.</p><p></p><p>Sometimes failed or failing fans can cause issues as well (sends a bad signal to the system).</p><p></p><p>Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1911693, member: 56379"] If you've tried fresh installs of this many macOS versions...and the RAM is 100% good...very very possible this iMac has a hardware issue (logic board issue)...maybe related to the graphics hardware (as you suggested above). If this 2009 iMac has dedicated/removable graphics hardware (some do)...you could try removing it & replacing any thermal paste or thermal pads. But if the graphics hardware has failed in some way...might be the end of the line for this computer (since replacement graphics hardware or a replacement logic board...could very likely cost more than the computer is worth. Sometimes failed or failing fans can cause issues as well (sends a bad signal to the system). Nick [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Shutdown iMac (24 pouces, début 2009)
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