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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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
1k 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
9k 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 ...
4
votes
1answer
263 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
513 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
190 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
602 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
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
2answers
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
357 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
334 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
5k 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
2answers
36k views

How can I turn off a Mac's display without sleeping the Mac itself? [duplicate]

Possible Duplicate: Is it possible to put the display to sleep without putting the whole computer to sleep? I have an iMac, and sometimes I want to play some music over night, without the ...
3
votes
4answers
6k 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
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 ...
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
2answers
2k 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
105 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
3k 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
7k 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
604 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
146 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
5k 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
2answers
5k 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 ...
3
votes
1answer
269 views

OSX disable wake on USB

Recently I've obtained a trackball, and I'm trying to use it with my Mac Mini running 10.9.5. The trackball is plugged in via USB port. The ball is rather sensitive, so it picks up very small ...
3
votes
2answers
7k views

While my MacBook sleeps, the network drops off?

I have just moved over to a Macbook Pro from my old Macbook. Thanks to the Migration Assistant, it was an easy task, but I am now having an annoying issue: I have both computers on with all the same ...
3
votes
2answers
315 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
5k views

Mountain Lion won't wake up after an extended sleep

I've recently upgraded my MacBook Air to Mountain Lion. Now whenever the machine sleeps for a long time (more than two hours or so) while disconnected from the mains, it won't wake up. I had to hold ...
3
votes
1answer
3k views

Warning message when trying to change Standby mode settings

I tried changing the Standby mode settings using the command sudo pmset -a standbydelay 5400 . I set it to 5400 so that it is delayed to 1.5 hours compared to 70 minutes as default. However, I get ...
3
votes
1answer
548 views

Does applescript's 'delay' function work when the computer is asleep?

I'm trying to make an alarm clock for myself with AppleScript after my old (physical) one crapped out. I've got a script that'll schedule a pmset wakeup at the requisite time. There's just the matter ...
3
votes
1answer
985 views

Problem with applications not resuming where left off after low-battery sleep/hibernate on Lion

I am having problems with applications re-launching from scratch, rather than continuing where they left off, when resuming my Mac (alumimum MacBook, fall 2008) after its battery runs low. This ...
3
votes
1answer
554 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 ...
3
votes
3answers
1k views

RAM Disk gets unmounted when coming out of sleep

I have a script set up to create a RAM Disk at login. But I have now noticed that the RAM Disk (And sometimes other networked disks) get unmounted when I put the laptop to sleep and wake it up again. ...
3
votes
1answer
106 views

Access to NAS mount during Power Nap wake up

On my mac I have Time Machine configured to backup to a Sparse Disk Image Bundle that is located on my Raspberry pi, which it connects to over SMB and mounts on boot. As long as the mac is awake there ...
3
votes
1answer
97 views

Mac doesn't sleep when lid is closed, but upon opening the lid it falls asleep?

When I close the lid, my macbook pro does not go to sleep. However, when I open the lid, it will go to sleep. How do I correct this problem?
3
votes
2answers
3k 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 ...
3
votes
1answer
128 views

Coming out of screen-lock, sometimes my machine will sleep/lock 30 seconds after

I haven't pinpointed any potential triggers yet, but sometimes when I come out of sleep or from having a locked screen, after typing my password in and re-entering the OS, about 20 or 30 seconds ...
3
votes
1answer
7k views

How to fix Mountain Lion that is very slow after sleep by timeout?

I have updated to Mountain Lion on Mac Mini (mid 2011), and now my Mac is very slow after sleep. I am waiting for several minutes before the next selected program is working properly. I have tried: ...
3
votes
2answers
586 views

Macbook doesn't stay asleep when lid is closed

I have a 2006 Macbook running Snow Leopard. I suddenly noticed that my computer's battery would be at a different level when I woke it up than it was when I closed the lid to put it to sleep. After ...
3
votes
1answer
473 views

Target iMac does not wake up with the main iMac

I have two 27" iMac connected via a Thunderbolt cable. I press Command+F2, the target computer joyfully becomes a second screen for the primary iMac. Joy of joys! I come back in the morning, or after ...
3
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. ...
3
votes
3answers
809 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
394 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
5k 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
302 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
593 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 ...