The power-management tag has no wiki summary.
13
votes
2answers
6k views
Mountain Lion sleeps too aggressively
For me, Mountain Lion always seems to sleep whenever there is no user action, even when the computer is still doing something. In my case it always sleeps in the middle of running a batch operation in ...
3
votes
1answer
7k views
Disable Stand By Mode on Retina MacBook Pro?
I learned that the retina MacBook Pro has a Deep Sleep Mode that is initiated when left idle for a long time. This, however, causes my laptop to take about 3-5 seconds to wake up after it sleeps, such ...
3
votes
2answers
2k views
kernel_task consumes 500% CPU on AC power, sometimes
Typically, my kernel_task process uses 1-4% CPU and 100-700MB of memory. However, sometimes when I have the power adapter plugged in, the CPU usage jumps to around 500% (8 cores) and stays there until ...
2
votes
1answer
2k views
High fan speed and CPU temp with low CPU usage?
I've been having intermittent fan speed and high CPU temperature when my CPU usage is nearly 0%. I don't run any weird apps. If I put my computer into sleep mode and wake it back up, this fixes the ...
2
votes
4answers
1k views
Limit processor speed like in Windows
In Windows (Linux too), you have the very useful "Power saver" mode that limits the maximum frequency at which your CPU runs.
Is there something similar in OS X?
1
vote
1answer
368 views
When should I reset the SMC on a Mac?
I want to know when I should reset the SMC on a Mac. I have a very quirky G5 and was wondering if resetting the SMC would fix some of its problems.
0
votes
1answer
62 views
Are there any hidden settings to modify default system sleep conditions?
Is it possible in some way to modify conditions when OS X will go to sleep?
In my opinion the time delay of system sleep is insufficient.
Imagine the situation that we are in the middle of ...
