The Core Dump

A strong conviction that something must be done is the parent of many bad measures

[By Nic Lindh on Wednesday, 18 February 2004]

More on ApplePMU::PMU Forced Shutdown

Still getting a trickle of hits from people googling for info on the ApplePMU::PMU Forced Shutdown message that sometimes shows up during a single-user boot of a Mac OS X system.

From some informal tinkering around, it seems like the issue is caused either by a PMU (Power Management Unit) that’s getting itself into a confused state, or–and this is probably a more likely candidate–dirty power. Any input from readers who’ve found a more definite cause is definitely welcomed. Please use the comments or trackbacks to report the results of your investigations.

Note that in and of itself, the ApplePMU::PMU Forced Shutdown message does not necessarily mean that anything is going wrong with the affected system. For peace of mind, you may want to reset your PMU. Please refer to Apple’s Knowledge Base for instructions on how to do this on different Mac models.

Music: Stream from Secret Agent.

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