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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5
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3answers
14k views

How to prevent sleep while a Time Machine backup is in progress?

I'm one of those greatly suffering from the problem with TM in which the entire backup sparsebundle on a NAS gets corrupted if the Mac goes to sleep in middle of a backup operation. There's a long ...
5
votes
3answers
6k 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 ...
5
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 ...
5
votes
1answer
6k views

OS X Yosemite attempts to eject external drives after sleep

I have 2 external drives that I use respectively for Time Machine and for all my work. I installed OS X Yosemite today and now every time my iMac goes to sleep (I never turn my macs off) it attempts ...
4
votes
2answers
5k views

For least power usage, should I turn off or put my Mac to sleep?

If I'm not going to be using my Mac for a while, am I better off shutting it down completely or just putting it to sleep? Obviously it uses more power to "sleep" than to be off completely, but it ...
4
votes
1answer
2k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a ...
4
votes
5answers
10k 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 ...
4
votes
4answers
668 views

Does it make sense to Quit apps before Sleep?

Will quitting (Cmd+Q) large apps before closing the MacBook lid make getting up and running again faster? I have the impression that my MacBook needs more time to recover from sleep if I have large, ...
4
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
456 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 ...
4
votes
1answer
101 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 ...
4
votes
1answer
10k 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 ...
4
votes
3answers
768 views

MacBook Air/Pro: run script upon lid close?

How can one configure MacOS (10.8 or higher) to automatically and immediately call a user-designated script (probably a bash script) upon the user closing the display lid of a MacBook Air or Pro? ...
4
votes
2answers
2k views

How to determine when a Mac is in Power Nap state?

I've got a mid-2011 Macbook Air running Mountain Lion. Power Nap is enabled. My Time Machine back up goes to a USB external hard drive. My current workflow is to sleep my computer when not in use, ...
4
votes
1answer
228 views

Is it safe to unplug a drive while MacBook is asleep? (i.e., does sleep unmount drives?)

Is it safe to unplug a drive while MacBook is asleep? (i.e., does sleep unmount drives?) I think probably not, at least if a file operation was running when you put the computer to sleep, I guess it ...
4
votes
2answers
653 views

Junk mail filter for iPhone via imap

I have: Mac Book Pro running OS X 10.10.2 iPhone 6 Plus running iOS 8.1.3 On my computer I run Mail, which checks the email every 1 min. On my iPhone it runs every 15 mins. So most of the time, ...
4
votes
1answer
4k views

Why am frequently asked for access to my Keychain?

Since using Migration Assistant to move from an old iMac (2009) to a new MacBook Pro, I find that I'm repeatedly asked for access to my Keychain. Prior to moving to the new machine, once I unlocked my ...
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.* ...
4
votes
2answers
1k views

Why is my Macbook Pro 2011 video garbled after sleep?

Occasionally when I open my new (April 2011) Macbook Pro I'm greeted by an unusable system with a garbled display. Most often I have to force a reboot (hold down power button for 10+ seconds), but ...
4
votes
1answer
1k views

How do I change Mac OS X's sleep behavior with respect to USB plugging/unplugging?

If a USB device is plugged or unplugged, my MacBook Pro wakes up from sleep. Can this behavior be changed somehow? That is to say, I do not want my Mac to wake up when a USB device is unplugged.
4
votes
1answer
238 views

Mavericks 'close the clam' woes

I typically use my "Retina, 15-inch, Late 2013" MBP at work with the lid closed, connected to an external monitor, a bluetooth trackpad, and a USB keyboard. For the last few months, the results of ...
4
votes
1answer
626 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 ...
4
votes
1answer
289 views

iphone sleeps in recovery mode

i am trying to restore 4.3.1 custom firmware made by sn0wbrzee with expert mode. at the last moment of restore itunes shows 1015 error. so i try to reboot, but iphone not rebooted. at last I ...
4
votes
1answer
538 views

Sleeping screen (Cinema Display) keeps waking up. How can I make it sleep until mouse is moved?

I have my Mac Pro (Cyrus) configured not to fall asleep completely but to let the screen sleep when not used for half an hour. I also use the keyboard shortcut for forcing the display to sleep. ...
4
votes
1answer
869 views

Where did the MacPro 6,1 “Computer Sleep” setting go?

Anybody got a clue where the MacPro6,1 power / sleep setting went? The only thing I can set is the "Turn display off after" slider. On my old MacPro2,1 there were two settings: Computer sleep ...
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
2answers
648 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?
4
votes
2answers
7k 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 ...
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
3answers
1k 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
395 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
498 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
3answers
10k 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
5answers
41k views

MacBook fans are running high even under normal load

My MacBook (non-pro) Aluminum is a few years old. Lately I experience the problem that my fans are running high even with moderate usage and the body really heatens up. It did this before, but only ...
3
votes
3answers
5k views

OS X 10.9.4 closes application when sleeping

First time to have MBP retina. My issue on my MBP is when I close my MBP to transfer to another location (house to coffee shop), when I open my MBP I notice that it closes the apps I have open before ...
3
votes
4answers
8k 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
3k 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
3answers
189 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 ...
3
votes
2answers
598 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
3k 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
213 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
4k 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
8k 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
1answer
794 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
192 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
2k 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
6k 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
5answers
4k views

Macbook Air - battery drains while sleeping (but not when shut down)

My macbook air (13-inch, mid 2011) battery drains from ~100% to ~85% over night. The problem only started a few months ago. I'm currently running yosemite, but the problem started while on ...