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Apple Computing Products:
macOS - Desktop Hardware
iMac startup problems
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<blockquote data-quote="cradom" data-source="post: 54460" data-attributes="member: 305283"><p>Reset the PRAM by restarting and holding down cmd-opt-p-r.</p><p>Let it chime at least three times before letting up.</p><p>Do you have an install cd? (not restore) for OS 9? You need at least 9 to update the firmware.</p><p>Try booting to it holding the c key. If that doesn't work try holding cmd-shift-opt-del.</p><p>Worst case, open it up and press the cuda switch (reset on motherboard) once.</p><p>Also, how old is the battery?</p></blockquote><p></p>
[QUOTE="cradom, post: 54460, member: 305283"] Reset the PRAM by restarting and holding down cmd-opt-p-r. Let it chime at least three times before letting up. Do you have an install cd? (not restore) for OS 9? You need at least 9 to update the firmware. Try booting to it holding the c key. If that doesn't work try holding cmd-shift-opt-del. Worst case, open it up and press the cuda switch (reset on motherboard) once. Also, how old is the battery? [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
iMac startup problems
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