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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3answers
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 ...
7
votes
3answers
2k 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 ...
7
votes
4answers
3k views

Is it possible to configure Internet Sharing to allow the computer to sleep?

TL;DR: Internet Sharing is preventing my Mac from sleeping. I need to manually sleep the system on a regular basis. I want a way to configure Internet Sharing to stop preventing sleep. I have an ...
7
votes
2answers
3k views

Why can't I run my MacBook Pro in clamshell mode?

I'm following these instructions to use my mid-2009 MacBook Pro in clamshell mode with a Bluetooth keyboard and trackpad. The keyboard and trackpad are paired with the computer and I've got the ...
7
votes
1answer
4k views

What prevents export of a private key from Mavericks keychain?

In Mac OS X Mavericks, I'm not able to export a private key from keychain. I'm getting the following error message: /* In dark wake, no UI possible */ Searching it in Apple documentation fetched the ...
7
votes
5answers
7k views

MacBook does not sleep when lid is closed

I've looked around for answers and can't find something that works for me. I have a unibody aluminum MacBook Pro and it just doesn't seem to want to sleep when I close the lid. The problem started ...
7
votes
2answers
2k views

How can I prevent OS X from resetting/disconnecting from wifi when left idle?

Doing work at home, I noticed that OS X would drop my wifi connection when I left my 2011 MacBook Pro and it went into idle mode (screen black, but still powered on). When I moved the mouse or ...
7
votes
2answers
4k views

MacBook Pro won’t sleep automatically — no process preventing sleep according to pmset. What’s going on?

i noticed the following problem with my MBP 8,1 running 10.7.2 — automatic sleep just doesn’t happen. Since I usually put my Macbook to sleep manually before leaving the desk etc. I just noticed this ...
7
votes
3answers
984 views

How to get a mac to wait longer for external disk to wake up upon resuming from sleep?

My Mac has an external disk attached, and I often get "disk not ejected properly" warnings after resuming the computer from sleep. These warnings appear only when the disk has spun down during the ...
7
votes
3answers
680 views

Can a MacBook Pro reliably wake a Cinema Display when both are sleeping?

I use a MacBook Pro with a Cinema Display and every time when I wake the MacBook Pro, the cinema display wakes first and the MacBook Pro display seems to stay in a sleep mode until I press the Detect ...
7
votes
2answers
3k views

How to not let the system sleep when putting display to sleep with Ctrl+Shift+Eject in Mountain Lion?

In Lion I always used Control ⌃+Shift ⇧+Eject ⏏ to put my display to sleep when I walked away from my computer. The system would continue running and not go to sleep. Now in Mountain Lion when I put ...
7
votes
2answers
2k views

Mavericks screen lock occurs immediately instead of after 15 minutes of sleep

I'm on OSX 10.9 on a late 2013 Macbook Air. iCloud Keychain is disabled, FileVault is turned off, and my Energy Saver settings are all at their defaults. I want to require a password after 15 minutes ...
6
votes
4answers
6k 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 ...
6
votes
3answers
11k views

How do I require password prompt EVERY time I close my MacBook's lid?

This doesn't seem to always work. Also (perhaps related?): when I close the lid of the laptop when it's connected to the Thunderbolt display, how do I make the display go black? Basically, I am ...
6
votes
3answers
6k views

Swiping trackpad no longer wakes Macbook Pro from sleep in OS X Lion

Since upgrading my Late 2010 MacBook Pro to OS X Lion, I noticed that swiping my finger across the trackpad no longer wakes it from sleep mode. Clicking the trackpad or pressing a key on the keyboard ...
6
votes
2answers
3k 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
5answers
930 views

MBP 17" (2010) goes to sleep and can't wake it up

My laptop goes to sleep and when I open the lid it wakes up just fine (or I move the mouse if I didn't close the lid). Now sometimes when I open the lid, it doesn't wake up. The status light which ...
6
votes
3answers
18k views

Does closing the lid put a MacBook Pro to sleep? Would it hurt the computer if I carry it around without shutting it down?

When I first got my MacBook Pro, it took less than 30 seconds to start up. Now, after several months, it takes about two minutes to startup and I can tell that it is not as responsive when using some ...
6
votes
3answers
2k views

Why does my early 2011 MBP hibernate instead of sleep?

If and only if my MBP is plugged in to both AC and an external DVI monitor, it will hibernate instead of sleeping. If it is not plugged in to the monitor, it will sleep like normal. I have a 15" MBP, ...
6
votes
4answers
5k views

MacBook Air has delay when waking from sleep

I have a MacBook Air (11-inch, Late 2010). Ever since I purchased it, I have noticed that it has quite a delay waking from sleep. It takes sometimes up to 5-10 seconds to fully wake up and allow me ...
6
votes
3answers
2k views

How can I stop AirPort from waking my Macbook Pro?

Recently I have noticed my MacBook Pro is completely discharging when I leave it to sleep. After investigation I've discovered traces similar to the following in the Console output: 24/01/2014 ...
6
votes
2answers
12k views

Can I change the action that occurs when I close my laptop's lid?

Is there any way to change what happens when I close the lid of my laptop? Do macs have the option of hibernating vs. sleeping like PC's do? If so, which of these is the default behavior when I ...
6
votes
3answers
6k 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, ...
6
votes
2answers
2k views

How can I get Snow Leopard to properly reconnect to my Windows network drives after it goes to sleep?

My mac goes to sleep. It wakes up. The volumes mounted to a Windows server in my house all work. I can see pictures and listen to music. Until I can't. After two or three sleep/wake cycles, I can't ...
6
votes
5answers
11k 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 ...
6
votes
4answers
3k views

External display resolution changes upon display sleep?

I have a 15" MacBook Pro with Retina Display and a ShiMian QH270-IPSMS monitor (2560x1440). The first pitfall I ran across when setting this up was that the HDMI port doesn't support my display's ...
6
votes
2answers
3k 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
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 ...
5
votes
1answer
909 views

What processes run while my Mac is asleep?

What processes, if any, run while my computer is put to sleep (not hibernation mode)? For example, if there's an application which prints a line every second to a file, will it print lines while the ...
5
votes
7answers
35k 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 ...
5
votes
1answer
8k views

How to make a Mac (Macbook Pro) not hibernate?

I have already set in the Energy Saver of System Preferences that Computer sleep: on Battery Power, Never when plugged in, Never But still if I close the cover of the Macbook Pro ...
5
votes
5answers
40k views

How often should one shutdown a Macbook instead of just closing the lid?

I have found contradictory opinions on this. Some say Windows users tend to shut down but that it is not necessary, and I tend to do that too. Others say it is preferable to shut down, as it does not ...
5
votes
2answers
1k views

What is the difference among the various event schedulers for OS X / Darwin?

I'm confused about the differences among the three (that I know of) tools for scheduling running of code on OS X / Darwin: cron launchcd pmset I understand that cron is largely deprecated, but it ...
5
votes
1answer
12k 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 ...
5
votes
5answers
1k views

My MacBook seems to be an insomniac (won't sleep)

As of several days ago, my MacBook refuses to go to sleep either automatically or manually. I have taken the following troubleshooting measures to no effect: Reset PRAM Rest SMC Boot in SafeMode ...
5
votes
4answers
898 views

How might text be selected while typing the login password on my Mac?

When I wake up my Mac I am presented with the login screen. I begin typing my password in the empty password text box. After typing the first few characters, the password text becomes highlighted ...
5
votes
3answers
8k views

Why doesn't my Mac go to sleep when closing the lid or through the task bar when plugged in?

I noticed that when I close to lid of my MacBookPro 2008 edition. My computer does not go to sleep. I also observed that this occurs when the Mac is plugged in. When I unplug, everything seems to be ...
5
votes
1answer
60 views

Allow system to sleep even with audio stream running

For a bit of background info: I have a 2010 MacBook Pro 15 with OSX 10.10.2 installed. I'm looking to make the laptop go to sleep even when a proccess that sets PreventUserIdleSystemSleep=1 is open. ...
5
votes
2answers
5k views

OS X Mavericks wakes my Mac from sleep every hour or so

Ever since upgrading to Mavericks, it looks like my Mac Mini wakes from sleep about once an hour or so. In the Console, I get the following message: Oct 30 02:12:06 gary-mac WindowServer[93]: ...
5
votes
1answer
845 views

Switch from sleep to hibernate after set time

Is there a way to set a MacBook Pro (10.8.2) to go into normal sleep when I close the case but then switch to hibernation after, say, 15 minutes? It's clearly capable of going from sleep to hibernate ...
5
votes
3answers
3k views

Enable standby mode / deep sleep on SSD macs with mounted SD-card

This question arose from the comments page of The Nifty Minidrive's Kickstarter page The Nifty Minidrive is essentially a microSD card adapter that fits perfectly into the SD-slot of the MacBook Pro ...
5
votes
2answers
8k views

How can I prevent external hard disk from sleeping when connected to Airport Extreme?

I have a 1TB external hard disk from Seagate connected to the USB port of my Airport Extreme and everytime I need to access it I have to wait some time until it leaves the sleep mode. Is there a way ...
5
votes
1answer
173 views

How to trigger lid close action programmatically?

Is there a way to trigger the lid close action programmatically with a script or through terminal? I am testing this by placing a small magnet near the SD slot on my MacBook Pro.
5
votes
2answers
419 views

MacBook Pro going to sleep by itself because of watchdog daemon

For a couple of weeks, my Mac has been going to sleep by itself. This seems to happen more often when I'm running more stuff on my Mac (Chrome + Spotify + etc…) In my console, the message is the ...
5
votes
2answers
4k views

Permanently mapping a network drive on MacBook Pro?

THE QUESTIONS: How can I make my MacBook Pro automatically mount a network share when it wakes up? How can I make sure that when it is mounted it is mapped to the same path (/Volumes...) MY SETUP: ...
5
votes
3answers
5k views

Can I wake up my Mac wirelessly over the internet?

I am a university student who leaves his Macbook Pro at home and uses an iPad in lectures. I thought it'd be great if I was able to wake my Mac back at home if I needed to remote control it using ...
5
votes
1answer
1k views

Why does my MacBook Pro's keyboard freeze when it wakes up so I have to hard reboot?

Sometimes, but not every time, when I open my MacBook Pro to wake it from sleep, the keyboard doesn't respond, so I have to reboot my Mac using the power button. There's a good chance that it happens ...
5
votes
0answers
4k 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 ...
4
votes
2answers
5k views

For least power usage, should I turn off or put my Mac to sleep?

If I'm not going to be using my Mac for a while, am I better off shutting it down completely or just putting it to sleep? Obviously it uses more power to "sleep" than to be off completely, but it ...
4
votes
1answer
2k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a ...