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Message: <blockquote data-quote="Robertb66" data-source="post: 1317874" data-attributes="member: 137222">harryb,I'm not wanting to make my Mac Pro faster.It can stay as it is. It is just that the fans (air flow) run faster then they use to and the system makes more noise.I like to bring the noise down by setting the SMC firmware to it's original settings.So the question is:How do I reset or reload the SMC firmware on the Mac Pro.A Firmware update does not work as the system already has the last Firmware version it needs to be something to force it to reload the firmware or do something like a firmware recovering like with the CD as in my previous post.Some one a idea<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick out tongue    :p" loading="lazy" data-shortname=":p" /></blockquote>