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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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 ...
9
votes
1answer
8k 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 ...
9
votes
1answer
8k views

Macbook Pro Retina 2014 - Quick return from Sleep - Black screen with cursor before login window

I just got a MBPr. When the display switches off, like its going to sleep and I quickly hit a key to wake it back up. It shows a black screen with a cursor for about 15-20 seconds before the login ...
8
votes
7answers
59k 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
6answers
17k views

External monitor resolution setting is lost after MacBook “wakes up” from sleep

I have recently purchased an external monitor that I am connecting to my MacBook Pro (Late 2009) using the MiniDisplay-to-VGA adapter. I have both the external monitor and the MacBook's monitor set to ...
8
votes
4answers
28k views

What happens when I close the lid on my MacBook Pro running OS X?

I'm a new Mac user. What happens when I close the lid on my MacBook Pro running OS X Lion? Is it sleeping? Or hibernating? Something else?
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 ...
8
votes
3answers
5k views

Something keeps waking up my Mac, how do I find out what it is?

I have a Mac Pro that draws about 250 watts (so I read somewhere) when it's running full-bore. It apparently draws less than 90 when it's sleeping. For whatever reasons I like to leave it on overnight,...
8
votes
3answers
2k views

MacBook Air takes an eternity to come out of sleep

For the past few years I've been using a 2008 aluminum MacBook. The day the new airs came out I decided to switch so I purchased one to replace my well used MB. Lion has had its bugs, most of which ...
8
votes
1answer
499 views

Don't wake up external hard disk when saving to internal one

My problem is that I have an external hard drive connected to my Mac. Since it is only used for backup purposes, it is sleeping most of the time. However if I now want to save something (e.g. a ...
8
votes
2answers
4k 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 ...
8
votes
1answer
1k views

How can I tell whether a drive is asleep?

Is there an application or command-line utility for Mac OS X to query a hard-disk to see if it is 'asleep' or 'awake' right now? (i.e. as controlled by Energy Saver / pmset disk sleeping preferences). ...
8
votes
8answers
621 views

G5 wakes up for no apparent reason

I’ve got a very odd problem with an old G5 of mine. It's a 2.3GHz Dual-Core G5 with Mac OS X 10.5.8. Sometimes, though not always (about 50/50), when putting the computer to sleep, it wakes up after a ...
7
votes
5answers
18k views

Shortcut key to make my macbook sleep? [duplicate]

Is there a shortcut key to make a macbook sleep? Sometimes I want to save time and just use the shortcut key to put it to sleep.
7
votes
2answers
3k views

Is it possible to continue using an to external monitor when closing the lid on a Macbook Air?

I have an application I use on an external monitor with an external USB device. Is there a way to close the lid and continue using the app on the external monitor? I turned off the sleep upon close ...
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 ...
7
votes
4answers
6k 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
2answers
16k 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 ...
7
votes
2answers
5k views

Mac wakes up for no reason during night (El Capitan)

Since El Capitan (10.11) I have problems with draining battery. So I searched through forums and didn't find right answer, but they gave command which show logs. So this is the log. <Notice>: ...
7
votes
4answers
4k 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
6answers
12k 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 mavericks....
7
votes
5answers
9k 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
3k 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
1k 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
2answers
4k 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 ...
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 ...
7
votes
3answers
898 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
3k 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
1answer
1k 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 ...
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 ...
6
votes
3answers
14k views

How to keep mute button available during call

I use my iPhone for conference calls regularly, with a Bluetooth headset/microphone. Often I keep my mic muted except for when I speak. It is awkward that when I want to speak, I need to wake-up and ...
6
votes
3answers
7k 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
5answers
1k 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
25k 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
2answers
2k 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 ...
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 ...
6
votes
4answers
6k 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
5k 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 18:35:...
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
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, ...
6
votes
2answers
3k 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, ...
6
votes
2answers
6k 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
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
3answers
24k 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 ...
6
votes
4answers
4k 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
1answer
9k 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 ...
6
votes
3answers
2k 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 ...