Putting a device into a low-power mode where only RAM is powered to conserve power at the expense of time to resume operation

learn more… | top users | synonyms (2)

7
votes
3answers
920 views

How to get a mac to wait longer for external disk to wake up upon resuming from sleep?

My Mac has an external disk attached, and I often get "disk not ejected properly" warnings after resuming the computer from sleep. These warnings appear only when the disk has spun down during the ...
7
votes
3answers
616 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 ...
7
votes
2answers
3k views

How to not let the system sleep when putting display to sleep with Ctrl+Shift+Eject in Mountain Lion?

In Lion I always used Control ⌃+Shift ⇧+Eject ⏏ to put my display to sleep when I walked away from my computer. The system would continue running and not go to sleep. Now in Mountain Lion when I put ...
7
votes
2answers
2k views

Mavericks screen lock occurs immediately instead of after 15 minutes of sleep

I'm on OSX 10.9 on a late 2013 Macbook Air. iCloud Keychain is disabled, FileVault is turned off, and my Energy Saver settings are all at their defaults. I want to require a password after 15 minutes ...
7
votes
2answers
2k views

Why did my rMBP13 (late 2013) wake up every minute until battery depleted with reason: ? (Question Mark)?

Can someone help me to diagnose this issue? My new MacBook Pro 13 Retina (8GB / 2.6Ghz / 512GB) awoke in my bag earlier today and apparently did not go back to sleep so ran down the battery and was ...
6
votes
4answers
3k 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 ...
6
votes
4answers
5k views

Can I schedule startup and shutdown with different settings for weekdays and weekends?

Everyday, I usually start my Mac Mini at 16:00 and shutdown it at 2:00 using the Energy Saver schedule settings. I would like to be able to set a different behavior on the Weekends starting Mac Mini ...
6
votes
3answers
5k views

How do I require password prompt EVERY time I close my MacBook's lid?

This doesn't seem to always work. Also (perhaps related?): when I close the lid of the laptop when it's connected to the Thunderbolt display, how do I make the display go black? Basically, I am ...
6
votes
3answers
6k views

Swiping trackpad no longer wakes Macbook Pro from sleep in OS X Lion

Since upgrading my Late 2010 MacBook Pro to OS X Lion, I noticed that swiping my finger across the trackpad no longer wakes it from sleep mode. Clicking the trackpad or pressing a key on the keyboard ...
6
votes
5answers
772 views

MBP 17" (2010) goes to sleep and can't wake it up

My laptop goes to sleep and when I open the lid it wakes up just fine (or I move the mouse if I didn't close the lid). Now sometimes when I open the lid, it doesn't wake up. The status light which ...
6
votes
3answers
17k views

Does closing the lid put a MacBook Pro to sleep? Would it hurt the computer if I carry it around without shutting it down?

When I first got my MacBook Pro, it took less than 30 seconds to start up. Now, after several months, it takes about two minutes to startup and I can tell that it is not as responsive when using some ...
6
votes
2answers
3k views

Why are there two different sleep states on a MacBook?

It seems that there are two different sleep states on my MacBook: Sleep State 1: Invoked by: closing the lid or by the sleep timer. Awaken by: touching the trackpad, clicking the trackpad, pressing ...
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, ...
6
votes
4answers
5k views

MacBook Air has delay when waking from sleep

I have a MacBook Air (11-inch, Late 2010). Ever since I purchased it, I have noticed that it has quite a delay waking from sleep. It takes sometimes up to 5-10 seconds to fully wake up and allow me ...
6
votes
3answers
2k views

How can I stop AirPort from waking my Macbook Pro?

Recently I have noticed my MacBook Pro is completely discharging when I leave it to sleep. After investigation I've discovered traces similar to the following in the Console output: 24/01/2014 ...
6
votes
3answers
6k views

Why does my MacBook Pro take so long to go to sleep?

Until recently, when I pressed Option-Cmd-Eject, my MacBook Pro used to go to sleep almost immediately (e.g. within three or four seconds). It's a MBP 8,2 with an SSD and 8GB RAM. Since a week or so, ...
6
votes
2answers
2k views

How can I get Snow Leopard to properly reconnect to my Windows network drives after it goes to sleep?

My mac goes to sleep. It wakes up. The volumes mounted to a Windows server in my house all work. I can see pictures and listen to music. Until I can't. After two or three sleep/wake cycles, I can't ...
6
votes
4answers
3k 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 ...
6
votes
2answers
2k views

My MacBook won't go to sleep anymore

Since the update to Mavericks, my MacBook has stopped going to sleep when I close the lid. I did some investigation and found out a command (pmset -g) to identify the process(es) that prevent it from ...
6
votes
1answer
5k views

Macbook Pro Retina 2014 - Quick return from Sleep - Black screen with cursor before login window

I just got a MBPr. When the display switches off, like its going to sleep and I quickly hit a key to wake it back up. It shows a black screen with a cursor for about 15-20 seconds before the login ...
5
votes
1answer
855 views

What processes run while my Mac is asleep?

What processes, if any, run while my computer is put to sleep (not hibernation mode)? For example, if there's an application which prints a line every second to a file, will it print lines while the ...
5
votes
5answers
21k views

How often should one shutdown a Macbook instead of just closing the lid?

I have found contradictory opinions on this. Some say Windows users tend to shut down but that it is not necessary, and I tend to do that too. Others say it is preferable to shut down, as it does not ...
5
votes
2answers
1k views

What is the difference among the various event schedulers for OS X / Darwin?

I'm confused about the differences among the three (that I know of) tools for scheduling running of code on OS X / Darwin: cron launchcd pmset I understand that cron is largely deprecated, but it ...
5
votes
1answer
12k views

Disable Stand By Mode on Retina MacBook Pro?

I learned that the retina MacBook Pro has a Deep Sleep Mode that is initiated when left idle for a long time. This, however, causes my laptop to take about 3-5 seconds to wake up after it sleeps, such ...
5
votes
5answers
1k views

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
1answer
6k views

How to make a Mac (Macbook Pro) not hibernate?

I have already set in the Energy Saver of System Preferences that Computer sleep: on Battery Power, Never when plugged in, Never But still if I close the cover of the Macbook Pro ...
5
votes
4answers
795 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
7k 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
1answer
684 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 ...
5
votes
3answers
2k 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
7k 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 ...
5
votes
2answers
10k views

Can I change the action that occurs when I close my laptop's lid?

Is there any way to change what happens when I close the lid of my laptop? Do macs have the option of hibernating vs. sleeping like PC's do? If so, which of these is the default behavior when I ...
5
votes
1answer
158 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.
5
votes
2answers
311 views

Bluetooth Issues after Sleep in OS X Yosemite (10.10)

I seem to be having persistent issues with Bluetooth connectivity, especially after waking up my Macbook Pro from a long sleep. I have a speaker that automatically turns off after a certain period ...
5
votes
2answers
3k 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: ...
5
votes
3answers
5k 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 ...
4
votes
2answers
11k views

Wake Other Computers from Mac OSX

Is there a terminal command within Mac OSX that will allow me to use WOL (Wake On LAN) to wake up other computers? Windows has wolcmd, is there an equivalent within OSX? I am trying to wake a ...
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
5answers
4k views

MBP Lock screen hotkey without sleeping?

I'd like to press a key combo to get my computer to the lock screen. In Windows the shortcut was Windows key + L. On Mac I press CMD+ALT+Power which turns the laptop off and puts it into sleep. I want ...
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
9k 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
599 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
452 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
85 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
3answers
553 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
1k 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
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 ...
4
votes
1answer
212 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 ...