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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2
votes
5answers
14k views

MacBook display backlight doesn't turn on after waking from sleep

I have a 2009 white MacBook that doesn't seem to be waking from sleep properly. I close the lid at night to put it in sleep mode, and when I open it the next day, the display backlight doesn't turn on ...
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.* ...
3
votes
2answers
1k 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
3answers
24k views

How do I prevent my iMac from sleeping while media is being played or streamed?

I know this problem has been around for a while. With the release of Mountain Lion Macs got the bad habit of falling to sleep when they are not used by a human. My iMac falls to sleep when I walk ...
3
votes
1answer
450 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 ...
2
votes
0answers
490 views

My Mac show a login screen on a spinning cube which keeps on spinning

My 2009 iMac with Lion keeps on getting stuck everytime my son's limited time ends and the computer subsequently wakes up from sleep. How to reproduce In other words, my son has a limited usage ...
12
votes
5answers
15k views

Mountain Lion aggressively hibernates

Recently, my MacBook Pro (mid 2012, 15 inch, 10.8.2) has started going into what seems to be hibernate mode after several hours asleep, whether it's plugged in or on battery. When I unplug it, it ...
2
votes
2answers
2k views

Can any iOS app remotely wake a sleeping MacBook Air when the lid is closed?

I want to be able to access my Macbook Air (Late-2011, Mountain Lion), when the lid is closed (in sleep mode), remotely from my iPhone 4GS. I have tried using LogMeIn Ignition App but it does not ...
1
vote
2answers
1k views

MBA mid 2011: Artifacts on screen after wake from deep sleep

I'm using Macbook Air (mid 2011) and there is one problem with it. After macbook waking from deep sleep, it has some "artifacts" (i don't know how to name it correctly) on the screen: Artifacts on ...
1
vote
0answers
144 views

Delayed, undesirable sleep on de-powering MBP retina with ML

If my laptop is sitting with the screen open, live, and plugged in, and I unplug it and keep working, a moment later it will go to sleep. Even as I am typing at it. The only solution is to close the ...
1
vote
2answers
511 views

Is it ok that a MacBook turns on from sleep with the lid closed when MagSafe is connected/disconnected?

I have a mid-2012 MacBook (non-retina). Recently I've noticed that after closing the lid to put it to sleep, once it's sleeping if I pull or attach the MagSafe connector to it it will turn on from ...
1
vote
2answers
532 views

Can I prevent a remote Mac from entering sleep via a remote ssh connection?

Since I upgraded to Mountain Lion, i've the feeling my Mac (early 2008 iMac) goes to sleep randomly when i'm connected through SSH. It's there a way I can prevent my Mac to go to sleep when i'm ...
0
votes
1answer
192 views

Apps that access the internet crash when waking up from sleep

Whenever I wake my 2012 MBA 13" from sleep, all apps that were accessing the internet before going to sleep crash. This includes the streaming software Zattoo.app, Chrome.app, Firefox.app, etc. None ...
1
vote
0answers
147 views

Freeze issue after installing an optical bay drive

I am having issues after I installed another drive in the optical bay. When I wake the computer from sleep, it randomly freezes within 0-5 minutes. I cannot do anything, the mouse won't move, trackpad ...
2
votes
1answer
3k views

Force hibernate (deep sleep) in OSX 10.8(.2)

How can you force the computer (in this case a laptop [rMBP]) into the "hibernate" state where it writes the RAM to the HDD/SSD so that the battery can last for the advertised 30 days. I know that ...
1
vote
0answers
410 views

Mountain Lion freezes for 20 seconds after waking up from suspend to disk

Is there any way to get a progress bar or whatever when waking up from suspend to disk? I remember seeing other Macbooks with older versions of OS X which showed a nice little progress bar after ...
3
votes
1answer
1k views

Seems like my trackpad is never sleeping/shutting off

I'm experiencing some funny behavior with my Retina MacBook Pro and my Magic Trackpad. There are two symptoms that I believe could be related: The batteries on my trackpad drain far more quickly ...
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 ...
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 ...
1
vote
1answer
427 views

Can a TrueCrypt volume be ejected (or the app quit) upon entering sleep?

Is it possible to force all TrueCrypt mounted volumes to eject when my Mac goes to sleep or to have TrueCrypt quit (causing them to unmount)? I'm looking for a little extra "easy" security when I move ...
0
votes
0answers
560 views

Why didn't my Macbook sleep (USB Keyboard/Mouse was connected, lid open)

First off, let's begin with some research that I did before asking this question. Now, in my situation, I was using my Macbook Pro (Mountain Lion) with an Apple USB keyboard connected to the ...
0
votes
0answers
483 views

Screen turns on after closing lid

Hi please I have problem with my MacBook going into sleep mode after I close lid. The screen turns off, but after few seconds it turns on again (apple logo starts glowing) and tikes additional few ...
2
votes
0answers
562 views

Macbook Pro 13 won't sleep (Mountain Lion 10.8.2)

So my Macbook Pro early 2011 13inch won't go to sleep. I've tried both manually and closing the lid. Also tried in Safe Mode, which worked as normal. Seems to be a software problem. When the lid is ...
1
vote
1answer
1k views

Keyboard and Mouse freeze after deep sleep (Mountain Lion)

I got a mid 2011 MacBook Air 13.6" and its keyboard and mouse freezes very often after I leave it in sleep mode for some time and it wakes up. Only the power key and the lid detector are still ...
3
votes
1answer
8k 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: ...
0
votes
0answers
1k views

Mountain Lion screen crashes after returning from sleep

During the past 3 days I have experienced the following issue: when returning from sleep, I see an extremely garbled version of my desktop. The only thing that seems to help is a reboot. My first ...
1
vote
1answer
4k views

Keep backing up when I put machine to sleep?

I use Time Machine, with an external hard drive connected by USB, to back up my MBA. If Time Machine is in the middle of backing up my drive and I close the lid of my computer, Time Machine will stop ...
1
vote
1answer
8k views

MBP won’t wake up from sleep

I have this strange problem with my early-2011 MacBook Pro, running on OS X 10.6.8: as of a month or so, sometimes it does’t wake up from sleep unless I press the power button for a longer period ...
3
votes
2answers
5k views

MacBook Air: Close lid and lock features

I wonder if there is some way to customize the lock screen feature of my MacBook Air (running Mountain Lion) in such a way that: 1: When I close the lid, and then open it, the screen is not locked ...
2
votes
3answers
703 views

Icons and other graphics have strange colored strips after waking Macbook

I am running OS X Lion on a late 2008 model Macbook (not pro). From time to time, usually when left on and unattended, the battery gets low and it goes into sleep mode. I kick myself for letting it ...
2
votes
0answers
236 views

iMac OS 10.8 sleeps even when set to never sleep

This is new behavior within the last month. I have the iMac set to never sleep so that I can access it via Logmein remotely. But the last several weeks the machine goes completely to sleep. Any ...
7
votes
3answers
882 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 ...
5
votes
3answers
7k 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 ...
2
votes
2answers
514 views

On/Off vs. Sleep Mode

The new retina MacBook Pro is boot so quickly that if I don't use it for even 5 minutes it doesn't make a difference to me whether I shut the computer down or sleep it. What is the best option for ...
1
vote
1answer
1k views

Macbook Pro intermittently unresponsive/dark screen after waking from sleep

I'm having an intermittent problem in which my Macbook Pro has been working fine for several days and many sleep/wake cycles but then it has a problem waking up from sleep. The disk spins up and the ...
3
votes
2answers
1k 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 ...
0
votes
1answer
891 views

After my MacBook Pro sleeps some gestures don't work anymore

When I wake my MacBook Pro (mid 2012 - with Mountain Lion) from sleep, sometimes some complicated gesture doesn't work anymore with the Trackpad or Magic Mouse. Changing screens (with 4 fingers with ...
3
votes
1answer
773 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 ...
4
votes
1answer
465 views

Can Mountain Lion take a sleeping Mac and write the RAM to disk after a timeout?

Is it possible to configure OSX Mountain Lion to go from suspand-toRAM to suspend-to-disk after certain amount of minutes? The default sleep mode seems to be suspend-to-RAM until the battery is ...
1
vote
3answers
4k views

Macbook sleep is delayed

I have a late 2011 Macbook pro, and lately it hasn't been sleeping properly. If I close the lid for less than a minute and reopen it, it doesn't go to sleep while the lid is closed. The screen is ...
0
votes
1answer
1k views

Macbook Pro doesn't wake up from sleep, RAM slot empty after force restart

My mid-2009 Macbook Pro, running Mountain Lion, very often does not wake up from sleep. When I open the lid, there is a black screen, but the fans are still running. My only option is to force reboot ...
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, ...
9
votes
6answers
5k views

How to prevent Mac sleep from command line?

I have a long running script at the remote computer. I don't want terminate my ssh session, and need enter it into a shell script. How is it possible to prevent my Mac from falling into sleep from ...
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 ...
4
votes
1answer
1k views

iCal DAV The Server Responded with an Error (HTTP 302) after sleeping

Often when my Macbook Pro Retina has been asleep, I get the following upon waking up: It is irritating because I get the bouncy iCal icon in my doc and have to dismiss the error message every time. ...
4
votes
1answer
3k 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. ...
12
votes
3answers
10k views

Retina MacBook Pro takes a long time to wake from sleep

So here's the thing. The rMBP is on Mountain Lion with all possible updates. When I open the lid I can see the login screen just fine but it is unresponsive for several seconds, can't enter my ...
2
votes
1answer
3k views

How to configure OS X for exhibitions

I need to configure a Mac Mini and OS X for use in exhibitions so that it: boots when power switches on (or wake on LAN) starts Safari in full-screen mode suppresses closing Safari and/or showing ...
2
votes
0answers
307 views

sleep, screensaver and Filevault

I am mystified: first, I have an iMac and a mbp, both running mountain lion. In System Preferences > Security > General > Require Password after sleep or screensaver, I can adjust the time to 4 hours ...
4
votes
2answers
16k views

Mac doesn't respond after sleep mode: how to Prevent this?

My mac often doesn't respond after sleep mode. What can be the reason? There are a lot of articles about what to do in this situation. But I can find nothing about how to Prevent it. Mac is macbook ...