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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59
votes
7answers
71k views

Is there any way to set a MacBook Pro to not sleep when you close the lid?

The most common use case I have for this is when I'm playing music over AirTunes, but don't want an open laptop laying around. Or when I'm syncing or downloading something. This isn't the same as ...
19
votes
7answers
87k views

Put the display to sleep without putting the whole computer to sleep?

I like to use vnc on my ipad on my bed. I want the mac to go to a black screen so I can fall asleep while using the ipad, and not have to get up to shut down the mac afterwards. Is there anyway to ...
29
votes
5answers
23k views

Possible to run scripts on sleep and wake?

MacBook Pro 2010 running OS X Lion. Is it possible to run scripts on sleep and wake events? My specific application is that I've got Dropbox-synced Truecrypt volumes that I regularly use on both my ...
19
votes
5answers
41k views

How to add hibernate mode to MacBook Pro

I have recently switched to Mac from Windows hence I do not have much information. I want my Mac to go to safe sleep state on closing the lid. I also need an extra option available somewhere which ...
16
votes
2answers
8k 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 ...
6
votes
1answer
13k 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 ...
13
votes
4answers
10k views

My Mac mini's computer name keeps changing when it resumes from sleep

When I wake my Mac mini from sleep, it occasionally comes up with a dialog saying "The name of your computer "whatever" is already in use on this network. The name has been changed to "whatever (1)"" (...
34
votes
7answers
17k 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 ...
57
votes
7answers
44k views

Why won't closing the lid sleep my MacBook Pro with external monitor attached after upgrading to Lion?

Up until yesterday (with Snow Leopard), closing the lid would cause my MacBook to sleep whether or not the external monitor was connected. Since upgrading to Lion last night, closing the lid when the ...
12
votes
4answers
3k views

Why does my MacBook Pro take so long to go to sleep?

My Macbook Pro takes an awful long time to go to sleep when I close the lid. Considering that I generally want to close the lid and then carry it somewhere, I want it to be fully asleep so I don't ...
6
votes
3answers
7k views

Why does my MacBook Pro take so long to go to sleep?

Until recently, when I pressed Option-Cmd-Eject, my MacBook Pro used to go to sleep almost immediately (e.g. within three or four seconds). It's a MBP 8,2 with an SSD and 8GB RAM. Since a week or so, ...
4
votes
2answers
3k views

Issues with installing SSD instead of DVD drive?

It is common to replace a MacBook Pro's hard disk drive (HDD) with an solid state drive (SSD), however, that may pose a threat to the HDD if installed in the optical bay instead of the SuperDrive.* ...
1
vote
1answer
2k views

MBP Mid 2009 thinks the lid is closed permanently

As the title suggests I have a mid 2009 MBP that has started behaving as if the lid is permanently closed. It started happening while the machine was on with the AC plugged in, it was in use and ...
43
votes
3answers
200k views

Using The Terminal Command to Shutdown, Restart and Sleep My Mac?

I'm getting more interested in using Terminal as an alternative way to address solutions on my Mac. I have seen this question entitled "Is there a better way to shutdown/restart OSX?". I would ...
19
votes
4answers
12k views

how to find out the start time of last sleep

Is there a command to find the date and time at which a Macintosh computer last entered the sleep mode?
46
votes
6answers
32k 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 ...
14
votes
4answers
12k views

Why won't my MacBook Pro automatically sleep?

I have my MacBook set to go to sleep after 2 minutes while on battery (via the Energy Saver preference pane.) However, when I leave it idle, it only turns off the screen—it does not actually sleep. ...
12
votes
6answers
27k views

How to disable Clamshell mode in Yosemite?

I have my Late 2013 Retina MacBook Pro attached to an external display. I use both displays. At night, when I leave my computer, I want to close the lid to put the Mac to sleep. Since Lion, there is ...
8
votes
7answers
58k views

How can I stop my MacBook Pro from automatically sleeping when I lock the screen?

Whenever I lock my screen (via either the lock icon -> Lock screen or by using the Control+shift+eject key combination), my screen immediately turns off (not showing the screen saver), and the system ...
8
votes
4answers
3k views

Mac does not sleep automatically in Lion!

My Macbook Pro will not sleep even though it is set in System Preferences → Energy Saver. I do not have any sharing options enabled (System Preferences → Sharing). I do not have "Wake ...
7
votes
2answers
7k views

My MacBook won't go to sleep anymore

Since the update to Mavericks, my MacBook has stopped going to sleep when I close the lid. I did some investigation and found out a command (pmset -g) to identify the process(es) that prevent it from ...
6
votes
4answers
7k views

Can I schedule startup and shutdown with different settings for weekdays and weekends?

Everyday, I usually start my Mac Mini at 16:00 and shutdown it at 2:00 using the Energy Saver schedule settings. I would like to be able to set a different behavior on the Weekends starting Mac Mini ...
12
votes
3answers
16k views

How do you change the behavior of the power button in Lion?

On my Macbook Pro, whenever you press the power button it goes into sleep mode. How do I change this to do nothing?
4
votes
3answers
1k views

MacBook Air/Pro: run script upon lid close?

How can one configure MacOS (10.8 or higher) to automatically and immediately call a user-designated script (probably a bash script) upon the user closing the display lid of a MacBook Air or Pro? ...
3
votes
1answer
2k views

Run AppleScript after waking from Sleep?

Is there an easy way to run an AppleScript or application immediately (or a brief delay of X seconds) after waking up from sleep? I'm looking for a solution that doesn't involve a 3rd-party app.
2
votes
1answer
7k views

MacBook is sleeping despite being set to “never” sleep

My 13" MacBook (late 2006) is set to never sleep but after about 3 hours the whole computer still goes to sleep. Lid is always UP. Power Adapter is plugged in and indicator light is green when ...
1
vote
1answer
774 views

Macbook Air failing to reconnect to network after sleep

I have a Mid-2011 13" Macbook Air running OS X 10.9.2 (the latest version). When I wake my Mac from sleep, sometimes, the Wifi will fail to find my network. The network icon will display the ...
1
vote
3answers
3k views

Prevent iMac from sleeping, for VPN login?

We have an iMac in the office, and I have been getting inconsistent access when trying to log in to it. The firewall isn't going down, since I can connect to the VPN. After discussing it with the ...
3
votes
5answers
259 views

ICloud Password prompt

On my Yosemite OSX machine I often get an ICloud prompt after awaking from sleep or after a reboot like this what program is causing this? Is it a valid Apple one or one trying to get my password? ...
3
votes
4answers
9k views

Is it bad or unhealthy to put my Mac to sleep?

I am wondering if it is bad or unhealthy to always put my Mac to sleep or should I shut it down instead? What I mean by putting it to sleep is that the display and hard drive are sleeping. The reason ...
2
votes
2answers
357 views

Mute volume of macbook on sleep

I was wondering if there was any way to mute my macbook whenever I physically close it, so if there was anything playing prior to closing it that it does not continue to make noise when I open it ...
2
votes
1answer
2k views

New MacBook Pro won't wake from sleep without restart

My girlfriend's new MacBook Pro will sometimes seem not to wake up from sleep. No amount of spacebar hits, enters, clicks, etc. seem to awake the computer. She's resorted to hard restarting the ...
2
votes
1answer
776 views

Is there a way to make my MacBook Pro running Snow Leopard hibernate with a keyboard shortcut?

Is there a way to hibernate at all? I know if the battery dies when it's sleeping it hibernates, but is there a way to go directly to hibernate with a keyboard shortcut?
2
votes
2answers
2k views

iMac going in and out of sleep every few seconds

If I put my iMac (2011, i7) to sleep, it'll wake up after 5 seconds, then go back to sleep after a few seconds, and repeat constantly. The only way to stop it is to restart. This seems to be happening ...
11
votes
3answers
36k views

How to stop MacBook Pro (Retina) from freezing/locking at the login/authentication dialogue, after wake?

Steps to reproduce: Be doing anything Close the lid of the computer Wait around for a while Open the lid of the computer Login prompt for last logged in user appears, battery and time MAY update, ...
14
votes
2answers
35k views

Random Restarts with “Sleep Wake Failure” error on Mavericks

When I leave my Mavericks OS X MacBookPro idle for a while, very often it will crash and reboot by itself. After reboot, the Problem Report dialog will show up, telling that "Sleep Wake Failure ...
15
votes
5answers
11k views

Is a 3-5 second delay normal for a Retina MacBook Pro to wake up from sleep?

For 3 days, I now got a new rMBP. I am a first time Mac user. I had a friend with a MBP and it usually wakes up in a mere second, as soon as he opens the laptop's lid up. However in my Retina MBP, it ...
10
votes
2answers
2k 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 ...
25
votes
7answers
26k views

MBP Lock screen hotkey without sleeping?

I'd like to press a key combo to get my computer to the lock screen. In Windows the shortcut was Windows key + L. On Mac I press CMD+ALT+Power which turns the laptop off and puts it into sleep. I want ...
9
votes
3answers
3k views

Can I configure my Macbook to unmount all external drives when I close the lid?

I have a new 13" Macbook Pro running Mavericks. This computer is connected to an external USB drive which I use for my Time Machine backups and for external storage Time Machine backups occur a few ...
8
votes
2answers
3k views

Why did my rMBP13 (late 2013) wake up every minute until battery depleted with reason: ? (Question Mark)?

Can someone help me to diagnose this issue? My new MacBook Pro 13 Retina (8GB / 2.6Ghz / 512GB) awoke in my bag earlier today and apparently did not go back to sleep so ran down the battery and was ...
7
votes
2answers
4k views

Why are there two different sleep states on a MacBook?

It seems that there are two different sleep states on my MacBook: Sleep State 1: Invoked by: closing the lid or by the sleep timer. Awaken by: touching the trackpad, clicking the trackpad, pressing ...
6
votes
2answers
5k views

Using VMware Fusion on Yosemite, how can I prevent crashes with sleep wake failure?

I am using VMware Fusion 7.1.0 on Mac OS 10.10.1 Yosemite. Every evening, I send my iMac to sleep. The next morning the mac usually sits in login mask - so it has rebooted. After login, I get "sleep ...
6
votes
3answers
23k 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 ...
9
votes
4answers
7k views

Force macbook to sleep when lid closed and external monitor connected in Lion

I know you have heard this before, but is there any app/hack that makes the computer behave like Snow Leopard when closing the lid? I don't want to hear about this being a duplicate question, as I ...
1
vote
5answers
7k views

How to fix a Macbook that does not always draw its internal screen after waking from sleep and having unplugged external display while asleep?

I have a 2012 MacBook Pro (Retina) which I mostly use on my desk. The computer is "docked" via a Thunderbolt display, and additionally a third-party DVI display, which I have hooked up via an Apple ...
13
votes
7answers
16k views

Waking display from terminal, general waking

This is a two part question. A practical, "how to" question is first, and then I ask for configuration suggestions. First, I put my displays to sleep at night, and I would like to be able to wake ...
5
votes
2answers
515 views

Can I prevent OS X from resizing and moving windows when sleeping while attached to an external monitor?

I have my Retina Macbook Pro connected to a ASUS 2560x1440 display via the HDMI port. I keep the laptop lid closed so the monitor is the only display in use. When I sleep my computer (via hot corners ...
16
votes
3answers
38k views

What are the “sleepimage” and “swapfile” documents?

I was using Disk Inventory X and found a file called sleepimage in /private/var/vm/ It takes up 4 GB! I also found numerous other files in the same folder called swapfile0 swapfile1, etc. What are ...
12
votes
7answers
15k views

Keyboard shortcut to sleep a Mac

I am looking for a quick way to sleep without closing the lid, or using the mouse. If it matters, I have Lion version OS and a MacBook Air.