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Thshdwknws (talk | contribs) Changed several entries in "may resolve certain issues" section as they are unreferenced and simply conjecture. Bluetooth for example. The apple page regarding SMC does not mention bluetooth. items listed in that section need references. |
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Apple releases occasional model-specific updates to SMC firmware which correct bugs and defects in the system.<ref>[http://support.apple.com/kb/index?page=search&q=SMC+update Search of SMC update information in Apple's knowledge base]</ref>
Corrupted SMC firmware, whatever the cause, is not entirely uncommon and may lead to operational problems. Resetting the SMC may resolve certain issues
====Fans====
*Cooling fans running at
*Computer running slowly despite low [[Load (computing)|CPU load]]▼
====Lights====
*Keyboard Backlight Issues.
*Incorrect behavior with the Status Indicator Lights or Battery Indicator Lights.
*Backlight displays not responding to ambient light changes.
====Power====
*Non-responsive power button
*Unexpected sleep or shutdown
*Battery not charging properly
*
====System Performance====
▲*Computer running slowly despite low [[Load (computing)|CPU load]]
*Long "Bounce" times for application icons in the dock.
====Video====
*Unexpectedly switching into or out of target display mode.
====Port Illumination====
*I/O Ports on some late model 2013 Mac Pro's don't illuminate when the computer is moved.
Resetting the SMC is usually accomplished by removing all power from the system for a period of time (by unplugging the [[Mains electricity|mains]] connector or removing the battery) or by operating the power button in a special way. Apple provides model-specific instructions for SMC reset.<ref>[http://support.apple.com/kb/HT3964 Intel-based Macs: Resetting the System Management Controller (SMC)]</ref>
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