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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3
votes
3answers
824 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
396 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
6k 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
1answer
305 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
594 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
734 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
182 views

Why Does My MBA Close All My Apps After 5 Mins Idle?

Sometimes if I walk away from my MBA without locking the screen and I return I'll be faced with a login screen. Once I login all my apps I had open are now closed. Sometimes I'll close my MBA lid and ...
3
votes
0answers
749 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 ...
3
votes
1answer
260 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
1answer
402 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
118 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
223 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
349 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 ...
3
votes
2answers
8k 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 ...
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 ...
3
votes
1answer
616 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?
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 ...
2
votes
5answers
1k 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.
2
votes
3answers
953 views

How do I ensure computer stays awake for Back to My Mac?

My laptop Mac goes to sleep even though I have Back to My Mac turned on. What kind of thing is likely to cause this? What kind of steps can I take to fix it? The Mac that is going to sleep has ...
2
votes
3answers
3k views

How can I tell the difference between display sleep vs. computer sleep on my MacBook Air (Late 2010)?

How can I tell the difference between the entire computer sleeping and only the display sleeping? I'm trying to diagnose sleep problems, and one of the basic things I need to know is the difference ...
2
votes
4answers
513 views

What is the correct way to prevent MacBook Pro (mid-2010) from sleeping on lid close?

I have MacBook Pro 13" mid-2010 (MacBookPro7,1), and sometimes I need it to work with the lid closed (long compilations, etc. while I'm on the go). I have tried InsomniaX, but it has no effect. I ...
2
votes
1answer
2k views

Prevent a Mac from waking up from keyboard or mouse?

I put my PowerMac at work to sleep so that I can use Wake-on-LAN to do remote work on it. However the office cleaner often touches the keyboard or the mouse button unintentionally. So the question is: ...
2
votes
3answers
109 views

mac pro going to sleep on nohup

I have the following scenario. I have shell scripts that I want to run remotely on my mac pro, so I ssh in, launch them with nohup, and log out. I've done this for years on linux based machines, and ...
2
votes
2answers
383 views

SSH to Macbook works when lid closed (and plugged in to power)

I noticed that my PuTTY session to my MacBook (which is now on Mavericks 10.9.3) seems to stay alive with the clamshell closed so long as the power cable is plugged in to the laptop. This can be seen ...
2
votes
1answer
711 views

SSD Sleep or Shut Down?

I have a MacBook Pro with SSD drive. I am concerned that leaving it on (closing the lid when not in use) will wear out the SSD drive quicker than fully shutting the system off. The boot up time is ...
2
votes
2answers
12k 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 ...
2
votes
2answers
3k 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
2answers
419 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 ...
2
votes
3answers
5k views

How do I create an AppleScript that will quit an application at a specific time and then put the computer to sleep?

I've been toying around with AppleScript and Automator to get this thing to work, but I just can't seem wrap my head around it. If anyone could show me an example or give me some tips on how I can set ...
2
votes
1answer
745 views

Is there a way to make my MacBook Pro running Snow Leopard hibernate with a keyboard shortcut?

Is there a way to hibernate at all? I know if the battery dies when it's sleeping it hibernates, but is there a way to go directly to hibernate with a keyboard shortcut?
2
votes
2answers
842 views

Mac Pro unexpectedly powers off

We have a new Mac Pro (3.6 GHz) running MacOSX 10.9.3 that unexpectedly powers off. We've taken it in for service twice and the Geniuses were not able to reproduce the issue and the hardware ...
2
votes
2answers
804 views

Prevent iOS device from sleeping if plugged to charger

This is available in Developer options in Android's system Settings. I'm trying to look for an equivalent in iOS. This is great if I want the screen to be always visible for screen ...
2
votes
2answers
4k views

Why does my MacBook Air 2013 wake from sleep every minute on Mavericks?

I'm having issues with my MacBook Air 2013 waking from sleep into Dark Wake every minute since I upgraded to Mavericks. Whenever it's been to sleep and goes into standby it keeps waking up. This is ...
2
votes
3answers
2k views

Mac wakes up from sleep every night and then goes back to sleep immediately

I've had my Mac Mini for about six months now. Every night, I put it to Sleep rather than shutting it down. Since about two weeks ago, the Mac Mini wakes up from sleep around 1 to 3 am, once a night, ...
2
votes
3answers
11k views

How do I stop my 2013 Macbook Air from putting the computer to sleep?

I've been fiddling with my new Haswell macbook air (with Mountain Lion), and there's a difference between the "energy saver" settings on my macbook vs my 2011 iMac. On my iMac, there's a "Computer ...
2
votes
3answers
2k views

Is it necessary to eject an external drive before sleeping? [duplicate]

I have a question similar to a previous one about ejecting before shutting down. Is it necessary or recommended practice to eject external drives before putting a Mac to sleep, whether it be via an ...
2
votes
1answer
555 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 ...
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 ...
2
votes
1answer
842 views

Is it ok to set the MacBook Pro to never sleep when plugged in?

I'm having some issues with my remote desktop software and the Wake-on-LAN feature. On that note, is it ok to set the MacBook Pro (17" 2009 unibody) to never sleep when plugged in? Am I somehow ...
2
votes
1answer
2k views

New MacBook Pro won't wake from sleep without restart

My girlfriend's new MacBook Pro will sometimes seem not to wake up from sleep. No amount of spacebar hits, enters, clicks, etc. seem to awake the computer. She's resorted to hard restarting the ...
2
votes
4answers
3k 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 ...
2
votes
3answers
326 views

How do I determine what is waking my machine up?

Recently my Macbook Pro has been waking up from sleep at undesirable times (middle of the night) without any user interaction (nobody has touched it). Is there a log on the machine that records the ...
2
votes
1answer
4k views

There's a “Change what happens when you close the laptop lid” setting in Windows. Is there an equivalent in OS X?

In Windows one can usually choose between Do nothing, Sleep, Hibernate. The Macbook, however, doesn't seem to have this setting. It'll always go to sleep. I would like to set it to "Do nothing" to ...
2
votes
3answers
907 views

Are there any reasons to turn off MacBook Pro instead of just sleeping it?

I do not completely turn off my MacBook Pro and I only sleep it. Are there any limitations to consider when doing this for several months in a row?
2
votes
1answer
522 views

My 2,5 year old Macbook Pro wakes from sleep every other hour after installing Mavericks

Okay so, I own a 2,5 year old (Early 2011) Macbook Pro which works just fine. After the release of Mavericks I decided to reinstall it from scratch since I had been upgrading it step-by-step since ...
2
votes
1answer
289 views

Why is Mavericks forcing a password reset on every lock screen?

I just upgraded to Mavericks. Now, every time I wake it up from the lock screen or standby and proceed to type in my password it rejects it. To get back in I have to select "switch user", then type ...
2
votes
1answer
2k views

How to delay hibernation after sleep in Mac mini?

When I press a power button on my Mac mini, it goes to sleep mode and when I press it again, it turns on very quickly. However, after a longer sleep, it hibernates. How can I make this delay longer? ...
2
votes
1answer
299 views

MacBook Air awakes in the night (when a sleep)?

Just curious, i have a old USB mouse connected to my MacBook Air. I noticed that in the middle of the night (when the cover is closed an MBA is a sleep). The LED (red) inside the mouse is turned on ...