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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro won't turn over
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<blockquote data-quote="BrianLachoreVPI" data-source="post: 1197274" data-attributes="member: 193366"><p>Did you do a PRAM reset as described here? <a href="http://discussions.apple.com/message.jspa?messageID=12775133" target="_blank">Apple - Support - Discussions - Mac pro won't boot <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> ...</a></p><p></p><p>Regarding testing for voltages - I don't know enough about which voltages that PSU provides and on what pins to help. If you don't find the voltages - that's very telling - however, if you do, it still doesn't rule out the PSU as you may have the PSU shutting itself down under load.</p></blockquote><p></p>
[QUOTE="BrianLachoreVPI, post: 1197274, member: 193366"] Did you do a PRAM reset as described here? [url=http://discussions.apple.com/message.jspa?messageID=12775133]Apple - Support - Discussions - Mac pro won't boot :( ...[/url] Regarding testing for voltages - I don't know enough about which voltages that PSU provides and on what pins to help. If you don't find the voltages - that's very telling - however, if you do, it still doesn't rule out the PSU as you may have the PSU shutting itself down under load. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro won't turn over
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