Questions about with tracking and reducing power-drain for computers or devices.

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2
votes
2answers
407 views

Mac wakes on scheduled power event that recreates itself every day

At 2:14 every morning, my Mac wakes. Looking at the logs, I see it's a scheduled event, but nothing shows up in System Preferences > Power. When I go to terminal, and run pmset -g sched, I see ...
1
vote
2answers
1k views

MacBook Pro Mid 2009 does not boot without resetting system management control (SMC)

Today i started my macbook pro and after some seconds it stopped working (just turned). I was not able to start it again. After some apple support search I found a page that described how to reset the ...
3
votes
1answer
305 views

iMac sleeping even when set to never sleep

Running 10.7.5, I've got a fairly new iMac (6 months old) 27", set to never sleep, yet when I got in to work this morning it was asleep. How to fix this? Output from pmset -g in Terminal: Active ...
2
votes
1answer
85 views

How to pesistently configure a Macmini4,1 to boot after power failure?

I do have a Macmini4,1 (2010) and I want to use it as a server so it will always start even after a power failure. Please remind that I am running Ubuntu on it, not OS X. Still, based on what I ...
1
vote
1answer
117 views

Is my SMC damaged?

I have a Macbook Pro running 10.9.3 (13D65), Boot ROM Version: MBP55.00AC.B03 SMC Version (system): 1.47f2 The fans are always running at full rpm and the kernel task used to take up 90% of the ...
1
vote
1answer
108 views

Can an Apple Time Capsule be used to store/watch movies on iPads in a car?

I have a 2TB time capsule. I am driving from PA to FL with 3 kids. I have a hundred of so movies/TV shows stored on a 2TB Time Capsule. Can I use a power converter in my minivan to power and use ...
1
vote
1answer
191 views

Can I configure a task to run while my MacBook lid is closed?

Can I use pmset or a utility like Power Manager to have a task (such as an arbitrary script or backup) run at a specific time while my Mavericks MacBook Pro's lid is closed? Are there perhaps pmset ...
0
votes
1answer
89 views

Having trouble with a SMC reset

I'm having trouble with my built in iSight and I'm trying to reset the SMC. My MBP has a non-removable SMC, so the instructions ask me to press CMD-SHIFT-ALT-POWER at the same time, release it at the ...
0
votes
1answer
69 views

delay after opening lid display dark until key pressed

okay so my MBP Mid 2010 was took a little tumble (it was in a felt sleeve which was inside a backpack) today and since has been acting weird. when i open the lid, the login screen does not come back ...
3
votes
0answers
328 views

How to know if the System Management Controller (SMC) has been reset?

I've recently uninstalled Fan Control, and one of the steps of the uninstallation is that I need to reset the SMC. So I've done that according to the instructions from the Apple website, however how ...
2
votes
0answers
156 views

MacBook Pro 5,1 will only turn on after SMC reset

Resetting the SMC every time the machine is turned off is the only way to turn it back on and when it is on the fans run at max speed etc. etc. (SMC issues). Have tried to swap out HDD and RAM. ...
2
votes
0answers
189 views

Do Solid State Drives need Power Management? Do they need sleep?

Is there any positive (or negative) to checking the power management option "Put hard disks to sleep" when I only have a SSD drive installed? Is there any difference if I'm connected to another ...
2
votes
0answers
49 views

Darken Background Illumination When There is No Windows

I have a MBP in a dualscreen setup with the laptops display as secondary. I'd like to know if there is an application that dims the display's illumination when there is no window drawn on the laptop.
1
vote
0answers
65 views

Does APNS work over LTE, or only UMTS/GSM and WiFi?

Over at Android Enthusiasts, we are having a discussion of what's more battery-life efficient — having APNS over GSM or UMTS networks during sleep, as TS4264 appears to indicate (thus ...
1
vote
0answers
468 views

MacBook Pro will boot only after a SMC reset

I replaced the hard drive in my MacBook Pro (mid-2010) with a SSD one. I installed Mac OS X 10.9. At first the installer wasn't able to find the new SSD drive, because of a error: "SerialATAPI device ...
1
vote
0answers
78 views

MacBook Pro Fails to Sleep Properly

I have a MacBook Pro 17" (late 2009 model) 2.8ghz Core2 Duo running MacOs 10.8.4 which has developed a problem going to sleep which I've been trying to isolate for the past several months. Here is one ...
1
vote
0answers
53 views

How to diagnose/fix error when booting a G5

I have an Apple G5 and it won boot anymore. When I boot my fan starts to spin like a madman and the screen stays grey. When I try to boot in Safe Mode using Shift-Command-V, I get the error message: ...
1
vote
0answers
714 views

Fusion Drive Setup: Possible to force the HDD to spin down as long as your reading from/writing to the SSD?

I'm considering to replace my optical drive in my MacBook Pro with an SSD. When using it as separate Volume, the advantage is that you can spin down the HDD, thus reduce noise and first and foremost, ...
1
vote
0answers
532 views

“2008 Mac Book Pro 15” Fan max speed, Battery not recognized , SMC reset makes it worse

I have a "15" Mac Book Pro 5,1 and after running it stone dead on battery once it wouldn't power on without holding down the power button, with battery and AC removed and then plug AC back in while ...
0
votes
0answers
46 views

How to check if SMC is functioning OK?

Is there a way to check if the System Management Controller (SMC) is working with no issues on MacBook Pro 13' Early 2011? Can I run selective Apple Hardware Tests to check only specific hardware ...
0
votes
0answers
73 views

I need EFI Firmware and SMC for Macbook Late 2009 (6,1)

Like from title. I need to reinstall SMC and EFI Firmware for Macbook Unibody White Late 2009 (6,1), but I don't find the EFI and SMC for my model on Apple Support page. Where can I find them ?
0
votes
0answers
110 views

External drive remain in stand by after Wake up

I have a WD My Book external drive connected to my iMac 27" via USB 3.0 The drive is initially in a stand by mode (drive doesn't spin, it's visible in disk utility). Now when backup script starts, it ...
0
votes
0answers
87 views

iMAC 20-inch - Early 2008 - Brightness automatically dims, no settings to prevent this

My display automatically dims itself after a while and it's really annoying. Of course I tried to search for a solution, but I've got no options like the answers say. They mention "Energy Saver", and ...
0
votes
0answers
98 views

Mountain Lion OS: disable the power management/power save mode for the wireless nic

I've been using Macbook Pro and 10.8.5 Mountain Lion OS. My question is : Is it possible to disable the power management/power save mode for the wireless nic in os x?
0
votes
0answers
1k views

What are the different sleep modes on Mavericks MacBook Pros?

I'm confused about the different sleep modes on Mavericks MacBook Pros: PowerNap, App Nap, DarkWake, sleep, system sleep, display sleep, standby, hibernation, etc.? What do these terms mean and how ...
0
votes
0answers
458 views

Repeated Kernel Panics & Freezing on Late 2012 Mac Mini 6,1. Help please with the Log

I've had massive problems with my Mac Mini recently. It has been freezing and rebooting after around 10 to 50 minutes use. It's a Late 2012 Mac Mini 6,1 with 8gb of memory. The problems got worse ...
0
votes
0answers
184 views

MacBook Air (11-inch, Late 2010) SMC Firmware Update 1.8 Won't install

I am running 10.8.5 OSX with late 2010 MacBook Air 11-inch. I have had the "MacBook Air SMC Firmware Update 1.8" in my updates window now for at least a few months. I constantly hit update, and it ...
0
votes
0answers
281 views

My MacBooks don't give low power notifications with Mavericks

I upgraded 2 MacBooks to Mavericks recently. Everything was OK for a week, then I started to experience power failures at low batteries on both of them. Looks like as if OS regularly 'forgets' to ...
0
votes
0answers
29 views

Is there a way to recognise active applications that are not being used so a script could shut them down?

Is there a way to recognise active applications that are not being used so a script could shut the down? I'd like to recognise an application that is running but has not accepted keystrokes recently ...
0
votes
0answers
376 views

How to select which disks are allowed to sleep?

There is an option "Put the hard disk(s) to sleep when possible" in Mac OS X's preferences: Is it possible to configure which disks Mac OS X can put into a sleepy state? For example, I want to ...
0
votes
0answers
223 views

Can hard drives have their own sleep settings?

Is there a tool that will allow me to set the sleep settings on a per-drive basis? I've recently done the optibay mod on my MBP so I have an HD+SSD setup and I'd like to be able to make the magnetic ...