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<blockquote data-quote="MacHeadCase" data-source="post: 641533">Try one of these from Apple's Knowledge Base articles, see where this takes you.1 - <a href="http://docs.info.apple.com/article.html?artnum=300552" target="_blank">Troubleshooting: My computer won't turn on</a>2 - <a href="http://docs.info.apple.com/article.html?artnum=95054" target="_blank">Power Mac G4: Screen is Black, No Startup Tone, Drive Does Not Operate</a> (a How To for resetting the CUDA chip in that article)3 - You could also try unplugging it from the electrical outlet and letting it sit for 10 minutes : this will help drain the capacitors. Plug it back in and see if it responds.Report back and let us know how these went for you. Good luck ! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="MacHeadCase, post: 641533"] Try one of these from Apple's Knowledge Base articles, see where this takes you. 1 - [URL="http://docs.info.apple.com/article.html?artnum=300552"][B]Troubleshooting: My computer won't turn on[/B][/URL] 2 - [URL="http://docs.info.apple.com/article.html?artnum=95054"][B]Power Mac G4: Screen is Black, No Startup Tone, Drive Does Not Operate[/B][/URL] (a How To for resetting the CUDA chip in that article) 3 - You could also try unplugging it from the electrical outlet and letting it sit for 10 minutes : this will help drain the capacitors. Plug it back in and see if it responds. Report back and let us know how these went for you. Good luck ! :) [/QUOTE]

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