Putting a device into a low-power mode where only RAM is powered to conserve power at the expense of time to resume operation

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7
votes
2answers
1k views

Mac Pro loses network connection after wake from sleep since Yosemite upgrade

I have a really strange issue since i updated to Yosemite. When i wake up my 2012 Mac Pro, the network connection is totally lost. Output from dmesg (sorry, couldn't copy/paste at this time): - Nic ...
0
votes
0answers
3 views

Display connected via DisplayPort disconnects, reconnects when resuming, resizing windows on display

I have a new LG 29UM55 29" Ultrawide monitor, resolution of 2560 x 1080, connected via DisplayPort to my 2012 MacBook Air 13" via a Cable Matters Mini DisplayPort to DisplayPort cable that reportedly ...
1
vote
2answers
921 views

How to tell if a Retina MacBook Pro has gone to sleep when the lid is closed?

When I shut the lid on my Retina MacBook Pro (2014), how can I tell it's gone to sleep correctly? On my previous MacBook Pro (~2008), the fans were audible, and there was a sleeping LED indicator in ...
1
vote
1answer
8 views

USB Mouse Wakes Up My iMac Immediately After Entering Sleep Mode

I have a Macally Wired 3 Button Optical USB Mouse ("BUMPER MOUSE") plugged into my iMac running Mavericks. When I put my iMac to sleep, the screen goes dark, but after about 10 seconds, the red LED on ...
0
votes
1answer
22 views

MacBook Pro sometimes freezes after waking from sleep

Since I updated to Yosemite after it was released my MacBook Pro (Mid 2012 2.5 GHz Intel Core i5) sometimes freezes for several minutes after waking it from sleep mode. It does not happen every time ...
0
votes
1answer
28 views

Why did my MacBook Air stay on?

I have a MacBook Air that the lid I left open. The screen was still on when I left it. In System Preferences, I set it to turn off the display and sleep after 10 minutes. But it didn't turn off. I ...
12
votes
3answers
9k views

“powerd” process uses a lot of CPU

Oftentimes, after I wake my Mac from sleep, powerd (which is the power management daemon? Which in particular deals with sleeping the Mac and waking it?) uses high CPU, usually around 25% to 50% on my ...
0
votes
1answer
155 views

MBP hanging on unlock after sleep in Yosemite

My mid-2012 MacBook Pro is worse at waking up from sleep than I am. I mash some keys to wake it up, enter my password, and it just hangs on the login attempt. There's no crash and no error, like I've ...
0
votes
1answer
1k views

Serious Boot / Sleep Problems

Two days ays ago I closed the lid of my macbook pre for the night as I have done for the last 2.5 years but when I opened the lid in the morning the screen didn't show. It seemed to be 'alive' (ish) ...
16
votes
5answers
4k views

Bluetooth Issues after Sleep in OS X Yosemite (10.10)

I seem to be having persistent issues with Bluetooth connectivity, especially after waking up my Macbook Pro from a long sleep. I have a speaker that automatically turns off after a certain period ...
9
votes
5answers
3k views

How to prevent Mac sleep from command line?

I have a long running script at the remote computer. I don't want terminate my ssh session, and need enter it into a shell script. How is it possible to prevent my Mac from falling into sleep from ...
5
votes
2answers
75 views

Is there a way for locking the screen and putting it to sleep/activating the screen saver to be two different events on a MBP?

This question is very similar to what I want to accomplish, except for the fact that I also want to be able to put the display to sleep at times without triggering it to ask me for a password. I ...
3
votes
2answers
80 views

How to disable Command-Control-Power shortcut?

I frequently use Command-Option-Power shortcut to send my Macbook to sleep (especially since closing the lid when I have external monitor doesn't trigger sleep). Unfortunately, this shortcut is very ...
0
votes
1answer
1k views

Apple TV Not Waking on Demand for Computer Behind Switch

I can Home Share between a Mac Mini, Mac Pro, and my AppleTV with no problems as long as the two computers are awake. The ATV finds and streams the libraries with no problems. The Mac Mini and ATV ...
0
votes
0answers
28 views

Only sleep MacBook Air when lid is closed

I have the following power management settings defined for my MacBook Air. Shantanus-MacBook-Air:~ shantanutomar$ pmset -g Active Profiles: Battery Power -1* AC Power -1 Currently in ...
3
votes
3answers
3k views

Prevent iOS device from sleeping if plugged to charger

This is available in Developer options in Android's system Settings. I'm trying to look for an equivalent in iOS. This is great if I want the screen to be always visible for screen ...
1
vote
4answers
2k views

Safari 8.0 web process at 100% CPU every time I start Safari after resuming from sleep

Whenever I start Safari 8.0 (on Yosemite 10.10) after resuming my Mac from sleep, it kicks off a web process which consumes 100% CPU and soon gets the fans on my MBA going: What's strange is that ...
1
vote
2answers
1k views

Mac mini set to never sleep, but seems to be sleeping anyway (does not respond to network)

I've enabled SSH into my mac mini (late 2012 running OS X 10.9.3), and have the energy saver settings set so that the display sleeps after 10 minutes, and the computer is set to never sleep. If the ...
0
votes
0answers
24 views

Why do I get random restarts with sleep wake failure error on mavericks?

On battery power, the computer will restart when it is in sleep mode. Rocky Sand's Battery Monitor, Free Memory and Memory Monitor always quit unexpectedly and Wi-Fi turns off. I have a ...
0
votes
0answers
6 views

Non-existing process keeps screen on

My iMac is currently not putting the display to sleep after a few minutes as it should be. $ pmset -g Active Profiles: AC Power -1* Currently in use: hibernatemode 3 halfdim ...
2
votes
3answers
9k views

My MacBook Pro is not sleeping when I close the lid on battery

I purchased my macbook back in 2011, and this problem just started. When I unplug and close my computer to put it in my backpack for school, it does not sleep. I take it out and its very hot and has ...
0
votes
2answers
35 views

Wake-on-Lan Protocol

What kind of WoL protocol does OS X use? Trying to explain. When I use OS X on my Mac Mini and it is going to sleep it wakes up automatically when receiving any packets (e.g. when I try to connect ...
4
votes
2answers
468 views

Junk mail filter for iPhone via imap

I have: Mac Book Pro running OS X 10.10.2 iPhone 6 Plus running iOS 8.1.3 On my computer I run Mail, which checks the email every 1 min. On my iPhone it runs every 15 mins. So most of the time, ...
0
votes
1answer
23 views

My Macbook Pro WiFi is getting slower unless I reboot

So I have that new Macbook Pro 15 inch with the Nvidia GPU for 6 months or so, and recently I experienced WiFi slowdown after I let my Macbook on for hours (with putting it to sleep by closing the ...
1
vote
1answer
3k views

Internal keyboard + touchpad stopped working, on Macbook air 'early 2014', Yosemite 10.10.2

my internal keyboard and touchpad - stopped working a few days ago. When it first happened - I made the macbook sleep-wake-up several times - and it came back to normal. External keyboard+touchpad - ...
1
vote
1answer
250 views

WiFi problems after wake up (MBP2011 OS X 10.10.3)

Suddenly yesterday my mac started to have WiFi-problems. I have had this mac since 2011 and it has always worked and I have only been using it on WiFi. But today when I woke it up it didn't enable ...
0
votes
0answers
59 views

Is it possible to do a “hard reset” on trackpad driver to solve erratic trackpad behaviour: clicks but no movement

I have a 13" MBP mid-2011 which has some trackpad issues. Every once in a while (can not replicate this reliably) the trackpad "freezes" after waking up. It will click (can select text or click ...
1
vote
1answer
98 views

How to disable “always on” USB power on Macbook Pro

I am operating my MacBook Pro early 2015 within a Henge dock (HD03VA13MBPR) , connected to two external displays and external speakers. Both displays and speakers get power from a power distributer ...
1
vote
1answer
43 views

How to change “Automatically reduce brightness before the display goes to sleep” in Yosemite?

A few OS X releases ago, there was a checkbox in the Energy Saver settings for "Automatically reduce brightness before the display goes to sleep". This doesn't appear to be there any more, and hasn't ...
2
votes
3answers
36 views

Looking for a way to mimic the battery-saving behavior of closing the lid without actually doing so

I'm looking for a way to keep the lid up, yet tell my Macbook Pro Late 2013 to do what it would do if the lid was actually closed. When I close the lid, the battery lasts for a long time, not so when ...
5
votes
3answers
14k views

How to prevent sleep while a Time Machine backup is in progress?

I'm one of those greatly suffering from the problem with TM in which the entire backup sparsebundle on a NAS gets corrupted if the Mac goes to sleep in middle of a backup operation. There's a long ...
2
votes
5answers
4k views

Macbook Air - battery drains while sleeping (but not when shut down)

My macbook air (13-inch, mid 2011) battery drains from ~100% to ~85% over night. The problem only started a few months ago. I'm currently running yosemite, but the problem started while on ...
2
votes
1answer
144 views

Why is my BASH script being executed twice? I'm using launchd

I have one plist associated with this launchd agent. There is one agent listed in launchctl list, and it calls my bash script, called rc.wakeup, whenever the mac is woken up from sleep. There is only ...
1
vote
3answers
2k views

MacBook Pro wakes immediately after sleeping

When I put my MacBook Pro to sleep, it will immediately wake up again after ~5 seconds, then go to sleep again and keep on sleeping and waking. This happens no matter if I close the lid or use the  ...
0
votes
0answers
11 views

Prevent VPN Disconnection message OSX

When my computer wakes from sleep, it tries to reconnect to my VPN network before the Wifi connection is fully established. The result is that nearly every time I get this message, "You were ...
0
votes
0answers
47 views

Disable USB device when Mac sleeps

I'm looking for a way to disable an USB device whenever my MacBook wants to go to sleep. I'm aware that OS X controls power management for most devices fairly well, but in this case, which is an USB ...
0
votes
4answers
855 views

Which popular apps prevent sleep on Mac OS X?

The main reason a Mac won't go to sleep is because of a 3rd party app. If there was a list of popular apps that have been known to cause sleep issues, it would make debugging this issue easier. Which ...
0
votes
0answers
34 views

Macbook wakes up when closing lid

On my Macbook with OS X Yosemite, I can type: sudo pmset -a hibernatemode 25 pmset sleepnow The screen than goes black and the power light gets lid. After a minute the power light goes off. Then I ...
2
votes
0answers
16 views

USB Flash (Pen) drive vanishes after hibernation

I reboot my macbook (4,1 model + 10.6.8) very infrequently since I rely on the hibernation feature a lot. I also use USB flash drives a fair bit and there is usually one plugged in to one of the USB ...
10
votes
6answers
1k views

Mac Mini 2011 - monitor wakes up messed up

I have an Mac Mini from 2011. Sometimes (I would say 80% of the time) when I wake up the monitors, after they've been sleeping, my main monitor (a Benq G2220HD 22″, connected via DVI → Mini ...
1
vote
1answer
39 views

macbook air sleep/wake problem after dual boot

I installed ubuntu on macbook air 6,2 (Early 2014 model) using these instructions https://help.ubuntu.com/community/MacBookAir6-2/Trusty Now whenever I put my mac on sleep (closing the lid) while ...
5
votes
1answer
5k views

OS X Yosemite attempts to eject external drives after sleep

I have 2 external drives that I use respectively for Time Machine and for all my work. I installed OS X Yosemite today and now every time my iMac goes to sleep (I never turn my macs off) it attempts ...
3
votes
1answer
231 views

Mavericks 'close the clam' woes

I typically use my "Retina, 15-inch, Late 2013" MBP at work with the lid closed, connected to an external monitor, a bluetooth trackpad, and a USB keyboard. For the last few months, the results of ...
2
votes
1answer
303 views

Improptu restarting of Macbook Pro while in Sleep Mode

A week ago I bought a Macbook Pro Retina (mid 2014) version - and in the first few days of running it I have noticed about 4-5 times that the Macbook occasionally restarts itself - so far always in ...
0
votes
0answers
82 views

Trackpad not responding to clicks after macbook air wake from sleep

I have strange problem since two or three days with macbook air running osx 10.10.3 yosemite. When I finish working I just close the lid and macbook goes into sleep mode. When I open the lid again it ...
3
votes
1answer
48 views

Set timeout when falling asleep before network disconnects

I'm using OS X Mavericks (latest) on a 15″ 2014 MBP. There's an option to make the system not lock the screen for x number of seconds/minutes after the screen goes dim. I'm looking for an option to ...
7
votes
4answers
5k views

How to store sleepimage on secondary HDD on Mac OS X 10.6?

I have a MBP 2010 with Snow Leopard on it. I put an SSD in the place of DVD Drive and am using an awesome SSD(80GB)+HDD(500GB) combo for speed and efficiency for the right price. All I want to do is ...
21
votes
3answers
23k views

How can I keep my Mac awake AND locked?

I want to leave my Mac awake overnight so it syncs 4GB of data from Dropbox. I need to prevent the machine from going to sleep because that pauses the Dropbox sync I've been using Caffeine to keep ...
3
votes
4answers
4k views

After sleep, my iMac is very slow to respond for a 45seconds+

When my iMac enters sleep, and then I wake it up -- either shortly after, or the next day, while it responds to the wake request quickly, it's basically unresponsive for 45 seconds+ after. ...
1
vote
0answers
307 views

Older MacBook Pro reboots after waking up from sleep mode

I have an older MacBook Pro that I haven't used frequently for some time. Now I notice the following irritating behavior: When I close the lid, I can see and hear the system going to sleep mode - ...