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Apple Computing Products:
macOS - Desktop Hardware
Power Mac g4 black screen
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<blockquote data-quote="pigoo3" data-source="post: 1921531" data-attributes="member: 56379"><p>Hello storm804...welcome to Mac-Forums.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Hopefully you know that Apple sold Powermac G4 desktop computers from 1999 thru 2004. Thus the Powermac G4 you have is anywhere between 18-23 years old (pretty old stuff).</p><p></p><p>Since this Powermac G4 came with 2 graphics cards...it is possible (but unlikely)...that both of them could be bad/failed. Just something to consider.</p><p></p><p>Can you confirm that the video cable used is good, power cable to the display is good, and that the display is working properly (can you confirm all of this on a 2nd fully operational computer). </p><p></p><p>We need to be sure these items are fully functional before assuming the issue is with the Powermac G4 itself.</p><p></p><p>Thanks,</p><p></p><p>Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1921531, member: 56379"] Hello storm804...welcome to Mac-Forums.:) Hopefully you know that Apple sold Powermac G4 desktop computers from 1999 thru 2004. Thus the Powermac G4 you have is anywhere between 18-23 years old (pretty old stuff). Since this Powermac G4 came with 2 graphics cards...it is possible (but unlikely)...that both of them could be bad/failed. Just something to consider. Can you confirm that the video cable used is good, power cable to the display is good, and that the display is working properly (can you confirm all of this on a 2nd fully operational computer). We need to be sure these items are fully functional before assuming the issue is with the Powermac G4 itself. Thanks, Nick [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Power Mac g4 black screen
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