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
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2answers
4k 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
454 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
1answer
6k views

MacBook is sleeping despite being set to “never” sleep

My 13" MacBook (late 2006) is set to never sleep but after about 3 hours the whole computer still goes to sleep. Lid is always UP. Power Adapter is plugged in and indicator light is green when ...
2
votes
1answer
761 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
2k 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
1answer
314 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
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
12k 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
3k 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
3answers
4k views

Why does my mac take 60-90 seconds to wake up?

Recently (in the past month or 2) my Mac (2012 Macbook Pro 13 inch) will take at least a minute to 90 seconds to wake up from being asleep. It usually happens when it is asleep overnight and. When ...
2
votes
1answer
609 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
4answers
5k views

How to fix MacBook, not reconnecting to wireless network on wakeup?

MacBook Air 11" - Mid 2011 My MacBook is not reconnecting to the wireless network on wakeup. Is there a setting or something that I'm missing?
2
votes
1answer
895 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
2answers
992 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 ...
2
votes
3answers
220 views

Weird Yosemite Sleep Behavior

Since upgrading to Yosemite, I am having weird issues with sleep mode on my MacBook (mid-2011). Whenever my MacBook goes to sleep, it begins beeping (similar to POST codes on PCs) every 1-2 seconds, ...
2
votes
3answers
443 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
3answers
1k 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
554 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
3k 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
305 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 ...
2
votes
2answers
938 views

What is the difference between pmset and systemsetup sleep options?

On my MacBook Air 2013 (Mountain Lion): pmset has the following sleep settings: $ pmset -g ... disksleep 10 sleep 1 displaysleep 2 while systemsetup has the ...
2
votes
1answer
307 views

detect powernap from the command line

I like to plug in my macbook and SSH to it from my Windows machine to take advantage of my 27" monitors, and do work in the shell and in Vim. Now i know that supposedly the machine is capable of ...
2
votes
2answers
345 views

How to cut message “This computer has been scheduled to go to sleep automatically” and send it to sleep immediately?

It's about a Mac mini connected to a touchscreen running at public school, displaying a browser in kiosk mode. I want the Mac to go to scheduled sleep after school is over. Energy Saving PrefPane lets ...
2
votes
3answers
638 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
1answer
2k 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
2answers
3k views

Mountain Lion drops internet when waking

Since updating to Mountain Lion I lose my internet connection every time that my 24 inch Mid 2007 awakens from sleep. It doesn't occur when going to sleep or during but only on activating it again. ...
2
votes
2answers
198 views

Prompting personal warning before putting my Macbook Pro to sleep

I carry my Macbook Pro (15" Retina, Mid 2012 with Mt. Lion) between my work and home. It is connected to an external HDD as a Time Machine. I always forget to properly eject the HDD before putting my ...
2
votes
1answer
2k views

mouse move wakes up sleeping mac.. how to prevent?

When the cleaning man has been by my desk then my computer wakes up from sleep. How can I make it insensitive to mouse movements?
2
votes
1answer
20 views

Cron job fails due to sleeping wifi?

I wrote a cron job to do backups over wifi to another computer. It works perfectly when I'm using the machine, but I prefer to schedule it at night when I'm not using it. The first step is to ping the ...
2
votes
1answer
196 views

What keeps waking my Mac up from sleep?

My Mac constantly wakes itself up from sleep for apparently no reason. Middle of the night, middle of that day, it just can't stay asleep. Why? I ran pmset with the following results: [redacted]:~ ...
2
votes
2answers
97 views

Macbook won't sleep with VGA monitor connected

My macbook pro will not sleep with a VGA monitor connected, via a MiniDisplayport to VGA adapter. When I close the lid, all of the windows shift over to the second screen, and the light on the macbook ...
2
votes
1answer
182 views

Chrome tabs being cut off in small viewing area after wake from sleep

I've had a recurring issue since last week where I wake from sleep on a new external monitor, and several of my already-open Chrome tabs have their content resized (i.e. into a 600x600 viewing area). ...
2
votes
1answer
28 views

I have a MacBook (2008) that sleeps as soon as you put in a battery

This MacBook runs perfectly without a battery. Putting in a genuine new and aa genuine used battery does the same thing. The screen goes dark, you can still see the screen for a second and then it's ...
2
votes
1answer
257 views

Fusion Drive constantly spinning up and down

I've got a 1TB Fusion Drive (with a Seagate 7200 rpm hard drive) in a Late 2013 27" iMac. While the iMac is asleep, the hard drive spins up and down every minute or so (without fail), creating an ...
2
votes
1answer
187 views

MacBook Pro Early 2008 Fan running while in standby

The fans in my MBP (MacBook Pro4,1) continue to run after closing the MacBook. This is not because of the CPU running under high power, it's also happening when the CPU has done nothing for about 15 ...
2
votes
2answers
261 views

Is there a way to make launchd stop a service on sleep and start it up again on wake?

I have several pieces of server software installed on my MacBook Pro for work using Homebrew. There is one service in particular, that likes to peg the CPU after the OS wakes up from sleep until I ...
2
votes
2answers
169 views

Mute volume of macbook on sleep

I was wondering if there was any way to mute my macbook whenever I physically close it, so if there was anything playing prior to closing it that it does not continue to make noise when I open it ...
2
votes
2answers
3k views

OS X Mavericks seems to be corrupting my sleep image

I've been running Mavericks and there seems to be some issue with sleeping. If I run the battery down to zero, the laptop automatically hibernates as usual. When I turn the laptop on, it boots, then ...
2
votes
1answer
1k views

Mac continuously wakes up with unidentified reason

I have MacBook Air 2013, Mavericks installed. I recognized that my mac is a little bit warm. Thus I looked into Console 2013. 10. 25. PM 9:36:23.000 kernel[0]: ARPT: 110987.511839: ...
2
votes
2answers
2k views

Mac OS X 10.8 crashes after Thunderbolt display disconnect and sleep

At work I run my MacBook Pro 15" Retina (with Mac OS X 10.8.3 Snow Leopard) lid-closed with two Thunderbolt displays. If I disconnect the power and displays, walk to a conference room, and re-open ...
2
votes
1answer
3k views

Why does my MBP sleep on Mountain Lion and often not wake up

I recently upgraded my Macbook Pro late 2010 to Mountain Lion (from Snow Leopard). Now it has this problem where it will sometimes sleep and not wake up. However, I hear that the computer is still on, ...
2
votes
2answers
3k views

Do I need Hibernate option ON for my Retina Macbook Pro?

I have a Retina MBP and have the following settings using pmset -g As you can see below, standby is 1 and hibernationmode is 3, meaning that I have DEEP SLEEP turned on, after 7200 seconds. Do I ...
2
votes
2answers
3k views

Mail.app connection errors (offline) after sleep

My 10.8.2 MacBook Air is having constant connection errors in Mail.app when the computer has been sent to sleep or hibernate. A small alert triangle appears next to all account names (I have several) ...
2
votes
1answer
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 ...
2
votes
3answers
4k views

Can a connected Thunderbolt display be put to sleep while the MacBook Pro remains running?

Does anybody know a way to sleep the Thunderbolt display if I don't need it for a short time? Like if I'm going to watch TV, normally I've just got my MacBook Pro's display turned on, while my old ...
2
votes
1answer
3k views

Why does Chrome prevent my Mac from sleeping?

I don't mean browsing the Internet is preventing us from sleeping, that's obvious. I've disabled Safe Sleep to reduce sleep times from 20 seconds to 2, but Chrome doesn't want to play nicely. Here's ...
2
votes
2answers
2k 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, ...