System Management Controller: Difference between revisions

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==Overview==
The SMC controls power flow and fan speed, like the SMU before it. The main objective is to keep the machine running normally with a minimum of noise. It also enables enforcement of the Mac OS X End User License, allowing it to identify when it is running on non-Apple hardware.,<ref>{{cite web|title=Interview with Andy Hall, Product Manager for Oracle VM VirtualBox|url=http://twit.tv/floss130}}</ref> although this can be circumvented by using third-party hacks.<ref name="artifactfix">{{cite web|url=http://www.macbreaker.com/2012/04/fix-hd-3000-artifacts-on-your.html|title=Fix screen artifacts on your Hackintosh|work=Fix screen artifacts on your Hackintosh|accessdate=17 June 2012}}</ref><ref name="netkasSMC">{{cite web|url=http://netkas.org/?cat=15|title=netkas.org » FakeSMC|accessdate=17 June 2012}}</ref>
The SMC should not normally need to be reset at all. Doing so however can be useful in [[troubleshooting]] certain issues.
*Failure to turn on