Questions about with tracking and reducing power-drain for computers or devices.
Questions tagged [power-management]
367 questions
6
votes
1 answer
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.
daviesgeek
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2
votes
0 answers
How to reflash SMC firmware?
MacPro 2013 (MacPro6,1). The computer wake up by it-self after one or two minutes.
Re-install new OS. Reset Pram, SMC. Disconnect everything except power cord. Wifi disabled.
Auto-sleep after 4 minutes. Computer wake for 3 seconds, sleep for 2…
user3344339
- 21
2
votes
1 answer
Early 2011 MacBook Pro SMC firmware update question
OS has been upgraded to Mavericks. Can I still run the SMC firmware update 1.7 said to be for OS 10.75 and 10.82? Would it hurt anything to try this firmware update with the later OS?
trents
- 21
1
vote
4 answers
Is there a tool similar to powertop for macOS
I am looking for a tool similer to powertop for macOS. I'd like to see which processes have the largest power use (activity monitor shows apps but not servers like nginx and node and I'd like to see the power use of those server processes too). Any…
user244412
0
votes
1 answer
Excess power use alert?
I often hear the fan on my redacted's MacBook Air running continuously, indicating high power usage. Unfortunately, they're hard of hearing, and only likely to hear that when wearing hearing aids. Is there any way to get an alert when power use is…
dfeuer
- 101
0
votes
1 answer
What does resetting the PMU do?
I am considering resetting the PMU on my Mac, but I'm am unsure what it exactly does. I know it resets date/time, but what other settings does it wipe?
daviesgeek
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0
votes
1 answer
Why does fan increase slowly its speed at boot and system is so slow?
I am given a MacBookAir5,2 [A1466 (EMC 2559)] that is very slow. To give you an idea, a sequence of:
Power on
Log in and loading the desktop
Power off from the menu
takes around 10 minutes.
The MacBookAir runs quite cool. With $ top I see around…
Konstantinos
- 101