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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My MacBook seems to be an insomniac (won't sleep)

As of several days ago, my MacBook refuses to go to sleep either automatically or manually. I have taken the following troubleshooting measures to no effect: Reset PRAM Rest SMC Boot in SafeMode ...
5
votes
4answers
1k views

How might text be selected while typing the login password on my Mac?

When I wake up my Mac I am presented with the login screen. I begin typing my password in the empty password text box. After typing the first few characters, the password text becomes highlighted (...
5
votes
3answers
10k 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 ...
5
votes
3answers
4k views

Enable standby mode / deep sleep on SSD macs with mounted SD-card

This question arose from the comments page of The Nifty Minidrive's Kickstarter page The Nifty Minidrive is essentially a microSD card adapter that fits perfectly into the SD-slot of the MacBook Pro /...
5
votes
2answers
183 views

Is there a way for locking the screen and putting it to sleep/activating the screen saver to be two different events on a MBP?

This question is very similar to what I want to accomplish, except for the fact that I also want to be able to put the display to sleep at times without triggering it to ask me for a password. I ...
5
votes
1answer
93 views

Allow system to sleep even with audio stream running

For a bit of background info: I have a 2010 MacBook Pro 15 with OSX 10.10.2 installed. I'm looking to make the laptop go to sleep even when a proccess that sets PreventUserIdleSystemSleep=1 is open. ...
5
votes
2answers
7k views

OS X Mavericks wakes my Mac from sleep every hour or so

Ever since upgrading to Mavericks, it looks like my Mac Mini wakes from sleep about once an hour or so. In the Console, I get the following message: Oct 30 02:12:06 gary-mac WindowServer[93]: ...
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votes
1answer
1k views

Switch from sleep to hibernate after set time

Is there a way to set a MacBook Pro (10.8.2) to go into normal sleep when I close the case but then switch to hibernation after, say, 15 minutes? It's clearly capable of going from sleep to hibernate ...
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2answers
12k views

How can I prevent external hard disk from sleeping when connected to Airport Extreme?

I have a 1TB external hard disk from Seagate connected to the USB port of my Airport Extreme and everytime I need to access it I have to wait some time until it leaves the sleep mode. Is there a way ...
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votes
3answers
5k views

Lion - Macbook randomly wakes up from sleep when lid is closed

I have aluminium macbook (not pro). I have recently updated to Lion. So far so good - had some minor issues with printer, sshfs, mac fuse. Managed to resolve almost all of them. There is one issue ...
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4answers
18k views

Mac wakes up from sleep every two hours on Mac OS X Yosemite

Since upgrading to the first stable release of Mac OS X Yosemite a few days ago, my Mac Mini wakes up roughly every two hours from sleep for about a minute, then goes back to sleep. This is ...
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1answer
262 views

How to trigger lid close action programmatically?

Is there a way to trigger the lid close action programmatically with a script or through terminal? I am testing this by placing a small magnet near the SD slot on my MacBook Pro.
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2answers
5k views

Permanently mapping a network drive on MacBook Pro?

THE QUESTIONS: How can I make my MacBook Pro automatically mount a network share when it wakes up? How can I make sure that when it is mounted it is mapped to the same path (/Volumes...) MY SETUP: ...
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votes
2answers
719 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?
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votes
4answers
2k 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 ...
5
votes
1answer
404 views

Use caffeinate to prevent sleep on lid close on battery

The native caffeinate utility is not working to prevent my macbook from sleeping when I close the display. Instead, the system sleeps and various network services ( VPN, screenshares, VOIP calls, ...
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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 ...
5
votes
1answer
2k 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
75 views

Is it normal for there to be a 5min+ period of high CPU usage when going to sleep under El Capitan?

I have recently upgraded my 8GB MacBook Pro (mid 2010, model ID: MacBookPro6,2) from OS X 10.6.8 to 10.11.4. Under Snow Leopard, after I closed the lid it would take something like 30 seconds to ...
5
votes
1answer
226 views

How has it suddenly become so much faster to wake OS X from “safe sleep”?

Because I'm super paranoid about security, I configure my MacBook to always "safe sleep" and destroy its FileVault key on entering standby: $ sudo pmset -a hibernatemode 25 DestroyFVKeyOnStandby 1 ...
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votes
2answers
515 views

Can I prevent OS X from resizing and moving windows when sleeping while attached to an external monitor?

I have my Retina Macbook Pro connected to a ASUS 2560x1440 display via the HDMI port. I keep the laptop lid closed so the monitor is the only display in use. When I sleep my computer (via hot corners ...
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votes
3answers
13k 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 ...
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votes
3answers
10k 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 ...
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votes
3answers
12k views

How to keep mute button available during call

I use my iPhone for conference calls regularly, with a Bluetooth headset/microphone. Often I keep my mic muted except for when I speak. It is awkward that when I want to speak, I need to wake-up and ...
4
votes
2answers
6k 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 ...
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votes
5answers
11k 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 ...
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votes
4answers
774 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
2answers
5k 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. ...
4
votes
1answer
467 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
105 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
18k 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
1k 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
260 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 ...
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votes
4answers
1k views

Will ejected internal HDD really stay ejected until I mount it again?

I want to get 2TB HDD in addition to 512GB SDD I have. I want to be able to "turn off" that drive so that it stays off even after sleep cycles and everything... I'm worried because now when I have an ...
4
votes
1answer
6k 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
2k views

External hard drive spinning up during sleep

Every time I close the lid on my macbook air, my external hard drive seems to spin up for about 5 seconds every 30 seconds, and this will go on continuously, even for several hours. The noise itself ...
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.* ...
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votes
2answers
2k 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
2answers
186 views

Is it possible to set my Mac to hide all windows on waking up?

Whenever I wake my Mac up, it shows my workspace exactly how I left it. If I closed the lid while browsing my library on iTunes, for example, it will show that screen upon waking up, after I input my ...
4
votes
1answer
260 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 ...
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2answers
4k views

MacBook Air 2013 screen issues after sleep

I'm having some issues with my MacBook Air (2013). Whenever the system enters hibernation, as it does after a couple of hours of sleep, the screen gets distorted when it comes back from sleep. When ...
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. ...
4
votes
1answer
697 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
303 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
557 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
1k 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 ...