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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4
votes
1answer
1k views

Can an AppleTV wake a Snow Leopard Mac for playing back iTunes content?

Is it possible to have an Apple TV wake a WiFi connected iMac running Snow Leopard for playback of iTunes content? I vaguely remember a new revision of the AirPort routers supporting this through ...
4
votes
2answers
925 views

When waking up my MacBook Pro, the external monitor unpredictably displays “snow flakes”

I can't seem to pinpoint a specific cause for this, but sometimes when I wake my MBP the external screen gets fuzzy, like a TV with no reception, but I can faintly see my desktop behind the noise. If ...
4
votes
1answer
338 views

Sleep mode problems with external Monitor

After the latest update (10.8.3), I encountered a problem. When my external Acer monitor is connected (via HDMI) while trying to put my MacBook Pro into sleep mode, everything works fine. But ...
4
votes
1answer
294 views

Fix Better Touch Tool so that it doesn't prevent sleep?

I noticed that the application Better Touch Tool is preventing my Mac from going to sleep. The screen will shut off, but the computer won't go to sleep. Is there a way to disable any of the settings ...
4
votes
2answers
4k views

Why doesn't my MacBook recognize my USB keyboard when it wakes from sleep?

I have 13-inch, early 2008 MacBook running OS X 10.7.3, and recently, the trackpad started developing some problems, so I attached an external keyboard and mouse. It works great, except that when ...
3
votes
4answers
5k 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 ...
3
votes
5answers
1k 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 ...
3
votes
5answers
2k views

MacBook Pro randomly restarting

I'm new to daily Mac use, but I think I have my settings correct. My laptop is kept plugged in at work - never runs on battery. In my Energy Saver system prefs, I have Computer Sleep and Display Sleep ...
3
votes
2answers
2k views

OSX Lion freeze after sleep

Sometimes, after I wake up my MBP from sleep I get the screen shown in picture. Once I click somewhere in the middle of the screen I get the log in window. When I log in all the windows/apps that were ...
3
votes
2answers
568 views

Macbook pro doesn't go to sleep after left inactive

In Energy Saver settings (System Preferences -> Hardware section) the Mac is set to sleep after 15 minutes, but nothing happens. Mac drains battery and automatically turns off when battery is low. ...
3
votes
2answers
61 views

How to close applications on sleep?

I have a password management application (KeePassX) of which backup I sync over Dropbox across several computers. However the password database can be open only on one computer at a time for file ...
3
votes
2answers
2k views

Macbook Air not waking up from Suspend/Sleep with rEFInd boot manager installed

Having installed both rEFInd 0.6.10 (updated to 0.6.11) via its install.sh and Ubuntu 13.04 on another partition I can now choose on a MacBook Air to boot either MacOS or Linux. When running MacOS ...
3
votes
5answers
6k views

Mac Mini won't wake after sleep with Mountain Lion

I have a late 2012 Mac Mini with Mountain Lion installed. I have had the Mini for around 6 weeks and am using as a media server. When the Mini goes to sleep (either automatically or by manually ...
3
votes
4answers
1k views

MacBook won't sleep while charging

An ongoing problem: my MacBook Pro (i5, 2.4ghz, 15") won't sleep while charging. I close the lid, but I don't get the pulsing "sleep light", it just stays fully illuminated. If I listen closely, I ...
3
votes
3answers
4k views

Lion - Macbook randomly wakes up from sleep when lid is closed

I have aluminium macbook (not pro). I have recently updated to Lion. So far so good - had some minor issues with printer, sshfs, mac fuse. Managed to resolve almost all of them. There is one issue ...
3
votes
1answer
576 views

iPhone sometimes goes to sleep running Pandora, sometimes doesn't

I use my iPhone4 to listen to Pandora radio at work. I have it plugged in to a standard charge/sync cable, and a headphone jack to my speakers. Sometimes the screen stays on indefinitely, showing me ...
3
votes
2answers
8k 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 ...
3
votes
2answers
130 views

Is the power button on my iPhone being turned off programmatically?

I would like to know if there is a code / glitch to make the sleep/wake button on the iPhone 5/5S to stop working. i am almost 100% certain it exists due to some programmers making the code but i want ...
3
votes
1answer
2k views

prevent second hard-drive from spinning up after standby

I have a MacBook Pro with two harddrives, an SSD in the main slot and a larger, normal drive in place of the superdrive. Because of power consumption and noise I managed to get my Mac to not ...
3
votes
1answer
1k 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.
3
votes
1answer
4k views

Why does battery die during sleep mode?

I'm running MacOSX 10.5.8 on a MacBook Pro. I was working on my computer last night. I finished work, closed the lid and expected the computer to go to sleep. I assume this is the Apple Safe Sleep ...
3
votes
2answers
5k views

While my MacBook sleeps, the network drops off?

I have just moved over to a Macbook Pro from my old Macbook. Thanks to the Migration Assistant, it was an easy task, but I am now having an annoying issue: I have both computers on with all the same ...
3
votes
2answers
246 views

How can I determine if the screen is asleep in Mountain Lion, from the command line?

I have a script that needs to run every so often, but only if the screensaver is active or if the screen is asleep (to make sure nobody is actively using the computer first). I need to have a way to ...
3
votes
2answers
5k views

Mountain Lion won't wake up after an extended sleep

I've recently upgraded my MacBook Air to Mountain Lion. Now whenever the machine sleeps for a long time (more than two hours or so) while disconnected from the mains, it won't wake up. I had to hold ...
3
votes
1answer
480 views

Does applescript's 'delay' function work when the computer is asleep?

I'm trying to make an alarm clock for myself with AppleScript after my old (physical) one crapped out. I've got a script that'll schedule a pmset wakeup at the requisite time. There's just the matter ...
3
votes
1answer
517 views

Mac not going to sleep after iTunes stops playing

Hardware/Software MacBook Pro 17" 2009 Lion 10.7.3 iTunes 10.6 Issue Unlike a lot of posts on the internet, my Mac actually goes to sleep just fine, usually. However, if iTunes was playing ...
3
votes
2answers
5k views

Locking my machine causes my network Connection to sleep

Is there a way to lock my screen but not sleep my network connection? I step away from desk quite a bit and I lock the screen pretty much every time. When I come back I always from stepping away for ...
3
votes
3answers
949 views

RAM Disk gets unmounted when coming out of sleep

I have a script set up to create a RAM Disk at login. But I have now noticed that the RAM Disk (And sometimes other networked disks) get unmounted when I put the laptop to sleep and wake it up again. ...
3
votes
1answer
35 views

Access to NAS mount during Power Nap wake up

On my mac I have Time Machine configured to backup to a Sparse Disk Image Bundle that is located on my Raspberry pi, which it connects to over SMB and mounts on boot. As long as the mac is awake there ...
3
votes
2answers
3k views

MacBook Air 2013 screen issues after sleep

I'm having some issues with my MacBook Air (2013). Whenever the system enters hibernation, as it does after a couple of hours of sleep, the screen gets distorted when it comes back from sleep. When ...
3
votes
1answer
119 views

Coming out of screen-lock, sometimes my machine will sleep/lock 30 seconds after

I haven't pinpointed any potential triggers yet, but sometimes when I come out of sleep or from having a locked screen, after typing my password in and re-entering the OS, about 20 or 30 seconds ...
3
votes
1answer
7k views

How to fix Mountain Lion that is very slow after sleep by timeout?

I have updated to Mountain Lion on Mac Mini (mid 2011), and now my Mac is very slow after sleep. I am waiting for several minutes before the next selected program is working properly. I have tried: ...
3
votes
2answers
459 views

Macbook doesn't stay asleep when lid is closed

I have a 2006 Macbook running Snow Leopard. I suddenly noticed that my computer's battery would be at a different level when I woke it up than it was when I closed the lid to put it to sleep. After ...
3
votes
1answer
397 views

Target iMac does not wake up with the main iMac

I have two 27" iMac connected via a Thunderbolt cable. I press Command+F2, the target computer joyfully becomes a second screen for the primary iMac. Joy of joys! I come back in the morning, or after ...
3
votes
1answer
2k views

Mountain Lion sleep and caffeinate command

I am having an issue where my retina MacBook Pro (10.8.1) will sleep when uTorrent is actively uploading or downloading. I have tried my old go to programs like "Caffeine" and "InsomniaX" to no avail. ...
3
votes
1answer
3k views

Warning message when trying to change Standby mode settings

I tried changing the Standby mode settings using the command sudo pmset -a standbydelay 5400 . I set it to 5400 so that it is delayed to 1.5 hours compared to 70 minutes as default. However, I get ...
3
votes
3answers
746 views

Connecting USB devices wake Mac running Mountain Lion only temporarily

On Snow Leopard (10.6), I could wake my Mac by connecting a USB device - in my case, switching on a USB external HDD. Now, after upgrading to Mountain Lion (10.8), when I connect the USB device, the ...
3
votes
1answer
892 views

Problem with applications not resuming where left off after low-battery sleep/hibernate on Lion

I am having problems with applications re-launching from scratch, rather than continuing where they left off, when resuming my Mac (alumimum MacBook, fall 2008) after its battery runs low. This ...
3
votes
1answer
392 views

MacBook Pro will not wake from sleep after installing third party application

I installed an application called Air Parrot that uses air play with an Apple tv to mirror or extend the desktop. I noticed that after I installed it, I am no longer able to wake my Mac from sleep. ...
3
votes
1answer
292 views

All open applications placed on main display after sleep

I've got an iMac 27" i7, with a secondary monitor hooked up via its display port (adapted from a DVI cable coming out of the secondary display). After my iMac goes to sleep, when I wake it back up, ...
3
votes
1answer
574 views

Why does my MacBook's monitor go to maximum brightness when waking up from sleep?

I have my MacBook connected to an external monitor (via HDMI), and the brightness of MacBook monitor is set to 50% of max brightness . I usually put my display to sleep when I leave my computer for a ...
3
votes
2answers
1k views

Slow wakeup from sleep with 10.7.2

I'm seeing some seriously slow wakeup times for my Mid-2011 MacBook Air. Wakeup times on the order of 30 seconds or more. Note that the computer is incredibly sluggish or beach balling during this ...
3
votes
1answer
683 views

External HDD Unmounted After Sleep

I have the new iMac 21,5" and a Samsung G3 Station 1,5TB external HDD. When I plug my HDD, connecting to energy and via USB, no problems, Mac OS recognizes it and I can use it normally. The problem ...
3
votes
3answers
1k views

How do I find out what application is trying to wake my MBP?

my mac book pro is refusing to stay asleep. I noticed it will wake up roughly every thirty minutes and display the screensaver password screen and even when the lid is closed I will be able to hear it ...
3
votes
1answer
132 views

Black screen with dual monitors (10.9.3)

I have been experiencing a problem with my Macbook Pro (latest version) when connecting it to a dual monitor. I usually click on the trackpad to wake the computer immediately after it has gone into ...
3
votes
0answers
60 views

Mac doesn't sleep when lid is closed, but upon opening the lid it falls asleep?

When I close the lid, my macbook pro does not go to sleep. However, when I open the lid, it will go to sleep. How do I correct this problem?
3
votes
1answer
318 views

App windows move spontaneously on display wake (2 monitors) - OS X 10.8.3

OS X 10.8.3 Mac Mini Late 2012, 2.6Ghz quad-core i7, set up with 2 displays, like this: Thunderbolt Port HDMI Port /*****************|------|**********\_______________ | ...
3
votes
1answer
116 views

Mountain Lion always switches to previous application at wake up

Since upgrading to Mountain Lion (from Snow Leopard), I have noticed that always when I wake up my MacBook Pro, a window from the previously active application is moved to the front. What causes ...
3
votes
1answer
217 views

Sleep / hibernation logic on OS X

I'm wondering what is a logic of sleep/hibernate of the OS X System. On the lid closing MacBook should go to sleep - it is obvious but.. What if the machine is running only on batteries and it is in ...
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 ...