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Apple Computing Products:
macOS - Operating System
iMAC Shuts down
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<blockquote data-quote="pm-r" data-source="post: 1656290" data-attributes="member: 175845"><p>That <em><strong>7 year old iMac </strong></em> should have some install disks that will include AHT (Apple Hardware Test) that you should be able to boot from and do some checking and diagnostics to maybe see what's wrong.</p><p></p><p>Or even just try booting up using Safe Boot Mode and see it things work. (Press and hold the shift key only when you hear the startup chime from a cold boot and until you see there spinning gear. Then login...</p></blockquote><p></p>
[QUOTE="pm-r, post: 1656290, member: 175845"] That [I][B]7 year old iMac [/B][/I] should have some install disks that will include AHT (Apple Hardware Test) that you should be able to boot from and do some checking and diagnostics to maybe see what's wrong. Or even just try booting up using Safe Boot Mode and see it things work. (Press and hold the shift key only when you hear the startup chime from a cold boot and until you see there spinning gear. Then login... [/QUOTE]
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Apple Computing Products:
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iMAC Shuts down
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