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Apple Computing Products:
macOS - Operating System
iMac wont start?
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<blockquote data-quote="Soulwar" data-source="post: 599398" data-attributes="member: 46986"><p><a href="http://docs.info.apple.com/article.html?artnum=2238" target="_blank">http://docs.info.apple.com/article.html?artnum=2238</a></p><p>This is what we need to do. (hopefully, what you been trying)<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p>After removing / adding more RAM than before, Turn on the computer and immediately reset PRAM by holding the Command-Option-P-R key combination. Press the keys until you've heard two successive startup sounds. Shutdown, restart, reset PRAM. Do that 3x.</p><p>Open Firmware password protection should be now disabled. Shut down the computer and return it to its original RAM configuration.</p></blockquote><p></p>
[QUOTE="Soulwar, post: 599398, member: 46986"] [URL]http://docs.info.apple.com/article.html?artnum=2238[/URL] This is what we need to do. (hopefully, what you been trying);) After removing / adding more RAM than before, Turn on the computer and immediately reset PRAM by holding the Command-Option-P-R key combination. Press the keys until you've heard two successive startup sounds. Shutdown, restart, reset PRAM. Do that 3x. Open Firmware password protection should be now disabled. Shut down the computer and return it to its original RAM configuration. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
iMac wont start?
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