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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1
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3answers
8k views

Macbook Air does not automatically connect to known networks after wake up

I have a new 2012 Macbook Air (with 10.7.4) which doesn't connect to my own local network automatically after it wakes up. I have to choose my network manually and it works instantly. Any ideas how ...
5
votes
3answers
2k 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)"" ...
2
votes
1answer
533 views

Can I manually put an external hard disk to sleep?

Is it possible to manually put an external hard disk to sleep? Right now, I've already got "Put the hard disks to sleep when possible" checkmarked in the Energy Saver preference pane, and so they ...
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 ...
4
votes
1answer
312 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 ...
8
votes
4answers
6k 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 ...
4
votes
1answer
83 views

Energy saver: do the battery settings apply during charging?

I have my Macbook pro 17 (early 2011, OSX 10.6.8) set to turn off the display at 30 minutes on AC, and 10 minutes on battery. I've noticed recently that if the battery is charging (the little battery ...
1
vote
3answers
6k views

Lion sleep (or hibernate) closes all applications [closed]

[Disclaimer: I'm not an avid OS X user so I don't probably use the exact terminology or language] I had a Mac Pro with Snow Leopard at work and I usually don't turn it off when going home. The next ...
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 ...
8
votes
1answer
648 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). ...
6
votes
3answers
4k 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?
0
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2answers
476 views

Flashing folder with question mark, spinning beachball when wakes up

My MacBook is acting weird recently. It starts to show flashing folder with question mark during bootup and spinning beach ball when it wakes up from a long sleep. When these happens, I will have to ...
1
vote
1answer
481 views

How to find out why it takes so long for the sign in form to appear after opening the lid on my Macbook Air

Whenever I open the lid on my Macbook Air running Lion and and try to sign in, it takes a really long time for the sign in form to appear. (This is the sign in form you see when the Mac is on but the ...
3
votes
1answer
923 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 ...
1
vote
1answer
335 views

double password entry to access account

I have the Require password 4 hours after sleep ... option in Security and Privacy System Preferences set and am running a script with launchd to suspend my session at a certain time of day (see this ...
2
votes
2answers
1k views

MacBook Pro: long time to wake from sleep, what could it be?

I have a 2011 13-inch entry-level MacBook Pro, which was upgraded almost straight away to Lion. I consider myself a careful, conscientious user, not installing things I don't need. However, recently, ...
0
votes
2answers
459 views

lock account and sleep

Is there an easy way to lock my mac and then immediately sleep, all in one command? I know I can show the login window and then choose the sleep button, but I'd prefer one step rather than two (and a ...
1
vote
2answers
2k views

Any way to put Mac mini to sleep remotely?

I use a Mac mini as a music centre connected to my stereo system (among other things). I control it remotely using apps such as Remote by Apple, Rowmote, and Remoteless (for Spotify), both on my ...
4
votes
2answers
589 views

Disable sleep mode for a specific app?

Can I disable the sleep mode for a specific application so that my mac won't go on sleep until the app is closed?
1
vote
0answers
319 views

Security continues to ask for password after sleep or screensaver

In Lion, I repeatedly uncheck the option to Require a Password after Sleep or Screen Saver Begins in Sys Prefs >Security Privacy> General but when I return to wake the computer, it requires a password ...
3
votes
4answers
3k views

Why does my Macbook Pro try to shut down when I leave it unattended?

When I close the lid of my Macbook Pro (Lion), it goes to sleep, which is good: it powers down without closing my applications. But if I just leave the computer unattended for a while without closing ...
4
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 ...
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 ...
2
votes
2answers
2k views

How do I stop my MacBook Pro from randomly freezing when trying to go to sleep?

My 2011 MacBook Pro has been having a problem occasionally where I put it to sleep, but it continues to run. Later when I go use it again, I realize that it was on the whole time (usually inside my ...
1
vote
1answer
770 views

Wake-up issues with Macbook Pro (late 2011)

I recently bought a new Macbook pro to replace my last one, and since I got it, it has been having some issues when I wake it up from sleep. a) The display freezes for three seconds each time, so ...
3
votes
1answer
532 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 ...
1
vote
4answers
1k views

Mid 2010 MacBook Pro Won't Wake Up

I recently purchased my first Mac. It's a mid-2010 MBP (bought it off craigslist). At first, I absolutely loved the simplicity of the OS. When I decided to upgrade to Lion, I began to loathe the ...
4
votes
1answer
2k 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 ...
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 ...
4
votes
4answers
8k views

How can I prevent my Macbook Pro 2011 from going to sleep when I close the lid?

This is not a duplicate of this question as it does not work: Is there any way to set a MacBook Pro to not sleep when you close the lid? I have a Macbook Pro 2011. I want to be able to close the lid ...
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.
0
votes
3answers
621 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 ...
1
vote
1answer
524 views

Preventing Remote Desktop from reconnecting to lost connections after waking

Throughout a given work day, I alternate between my Windows 7 desktop and MacBook Air, using my PC via Microsoft Remote Desktop on my Mac. When I swap from my Mac to my PC, I simply close my Mac's lid ...
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 ...
1
vote
1answer
160 views

Multiple Screen Standby/Resume Problems

I have a large widescreen monitor plugged into my Macbook which is running Lion. Since upgrading to Lion I've noticed that I can't resume from standby if my other monitor was plugged in when I closed ...
12
votes
3answers
16k 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 ...
7
votes
5answers
6k 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 ...
1
vote
1answer
577 views

Why do I have to reboot my iMac and Wacom Cintiq after sleep?

I have an iMac and a 24 inch Wacom Cintiq. When I put the iMac to sleep, it freezes and I have to restart both the iMac and the Wacom Cintiq. How can I get around this?
0
votes
0answers
548 views

Macbook Pro 13 mouse freezes after wake up

I have a Macbook Pro 13" bought in December which means it is the latest available version. (MacBookPro8,1 , 2,4 Ghz Intel Core i5, 4 GB 1333 MHz DDR3, Intel HD Graphics 3000 384 MB) I have problems ...
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
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 ...
1
vote
0answers
203 views

Sleep mode on MacPro not working after installing a Cinema Display

I am not sure I can connect the two events, but ever since I connected a Cinema display to my 2009 Mac Pro it seems like it is not entering sleep mode after the indicated time has passed. It will ...
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
1answer
294 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
582 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 ...
6
votes
3answers
16k 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 ...
1
vote
2answers
855 views

Macbook Air (13" 2012) Fails to wake from sleep

The Air doesn't wake up from sleep mode when the lid is closed. Have to do a hard restart by pressing the power button for 5 secs which isn't nice. Tried to select the startup disk from system ...
5
votes
3answers
7k 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 ...
7
votes
3answers
4k 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 ...
3
votes
3answers
2k views

Why when I wake my new iMac from Sleep, I have to scrape away a layer of screensaver or Lion linen to log in?

I have a strange problem. I am very good with Macs and all Apple products, but this one has me stumped. I have a new (4 months old) 27" iMac (2.7 GHz Intel Core i5) with Lion 10.7.2 and it works ...