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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10
votes
7answers
18k views

How to add hibernate mode to MacBook Pro

I have recently switched to Mac from Windows hence I do not have much information. I want my Mac to go to safe sleep state on closing the lid. I also need an extra option available somewhere which ...
1
vote
5answers
9k views

MacBook display backlight doesn't turn on after waking from sleep

I have a 2009 white MacBook that doesn't seem to be waking from sleep properly. I close the lid at night to put it in sleep mode, and when I open it the next day, the display backlight doesn't turn on ...
1
vote
1answer
14 views

Process running for several minutes in Sleep mode

My Mac OS is OS X Yosemite (Version 10.10.2). Normally I put the mac in Sleep mode before going to bed, and I realize very often that the machine starts to run in the night just for several minutes ...
1
vote
4answers
9k views

MacBook not sleeping when I close the lid

My MacBook has never slept when I close the lid. I´ve tried all the remedies listed here in the forum from resets to experimenting with pmset settings. Should my MacBook sleep as soon as I close the ...
3
votes
4answers
3k views

After sleep, my iMac is very slow to respond for a 45seconds+

When my iMac enters sleep, and then I wake it up -- either shortly after, or the next day, while it responds to the wake request quickly, it's basically unresponsive for 45 seconds+ after. ...
2
votes
2answers
2k 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 ...
1
vote
3answers
977 views

Safari 8.0 web process at 100% CPU every time I start Safari after resuming from sleep

Whenever I start Safari 8.0 (on Yosemite 10.10) after resuming my Mac from sleep, it kicks off a web process which consumes 100% CPU and soon gets the fans on my MBA going: What's strange is that ...
9
votes
4answers
572 views

Schedule a Mac to sleep, just one time

Is it possible to schedule a Mac to sleep just one time? I know I can set a schedule for it, but I want to have control over it. So occasionally I'll go to bed but leave a file transferring, and I ...
2
votes
3answers
282 views

Can MacBooks backup when in hibernation mode?

Can MacBooks (late 2010 Air in particular) backup when in hibernation mode? The reason why I am asking this is because I want to backup my MacBook air at midnight however I am not sure if my computer ...
1
vote
3answers
81 views

sleepimage wrong size

I have an early Early 2011 MBP, which I installed 16GB of RAM in, despite the fact that Apple claims the maximum is 8GB. This is a hack which is known to work, but I'm having some trouble with ...
1
vote
1answer
1k views

Internal keyboard + touchpad stopped working, on Macbook air 'early 2014', Yosemite 10.10.2

my internal keyboard and touchpad - stopped working a few days ago. When it first happened - I made the macbook sleep-wake-up several times - and it came back to normal. External keyboard+touchpad - ...
0
votes
1answer
1k views

Apple TV Not Waking on Demand for Computer Behind Switch

I can Home Share between a Mac Mini, Mac Pro, and my AppleTV with no problems as long as the two computers are awake. The ATV finds and streams the libraries with no problems. The Mac Mini and ATV ...
6
votes
2answers
1k views

Mac Pro loses network connection after wake from sleep since Yosemite upgrade

I have a really strange issue since i updated to Yosemite. When i wake up my 2012 Mac Pro, the network connection is totally lost. Output from dmesg (sorry, couldn't copy/paste at this time): - Nic ...
2
votes
3answers
8k views

My MacBook Pro is not sleeping when I close the lid on battery

I purchased my macbook back in 2011, and this problem just started. When I unplug and close my computer to put it in my backpack for school, it does not sleep. I take it out and its very hot and has ...
0
votes
0answers
20 views

Intermittent trackpad functionality after sleep in Windows 7

I'm using a 15" Mac Book Pro Mid 2010, running Yosemite and Windows 7. I've reinstalled both OS X (Snow Leopord and up) and Windows 7 operating systems a few times over the years. But within the last ...
2
votes
1answer
1k views

Safari will not “Remember Me” on Facebook

My question is very similar to this question: Safari 7.0.4 doesn't remember my login status. "Remember me" not working (OS X 10.9.3) Except it differs in 3 key ways: The solution did ...
3
votes
1answer
2k views

“powerd” process uses a lot of CPU

Oftentimes, after I wake my Mac from sleep, powerd (which is the power management daemon? Which in particular deals with sleeping the Mac and waking it?) uses high CPU, usually around 25% to 50% on my ...
0
votes
0answers
40 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 ...
0
votes
0answers
35 views

How can I mute the sound of my MacBook Pro each time I open it?

I just had an embarrassing moment in class where I opened my MacBook Pro (running Mavericks, if that helps) and it continued playing a video I had started earlier, disturbing the class. It took me a ...
1
vote
2answers
123 views

Inconsistent access to Bonjour services on sleeping devices

This may turn out to be two different questions/answers, but I suspect they're somewhat related. Let's see... Among other things on my home network, I have a MacBook Pro (mid-2010) and a Macbook ...
5
votes
1answer
60 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. ...
1
vote
1answer
97 views

Macbook Pro on Yosemite - screen going to black

I have a fresh install of OS X Yosemite. There is an issue where the screen goes black or seems to go to sleep while I am using it. When this happens, it's iffy on getting it come back on. The esc key ...
0
votes
1answer
54 views

Is it safe for Mac not to sleep for over a month

My 17 Inch, Late 2011 MacbookPro has a problem with its discrete graphic card it boots with vertical pink stripes screen then switches to a gray screen where it remains stuck for a while and then ...
1
vote
2answers
164 views

Macbook pro - mid 2012 screen going black

My screen keeps going black as if it is going to sleep but will then not wake up, no matter how many various key combinations i retry. I get the following stack trace upon restart which makes it look ...
1
vote
3answers
2k views

MacBook Pro wakes immediately after sleeping

When I put my MacBook Pro to sleep, it will immediately wake up again after ~5 seconds, then go to sleep again and keep on sleeping and waking. This happens no matter if I close the lid or use the  ...
2
votes
3answers
200 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, ...
0
votes
1answer
28 views

Auto unmount time machine drive on sleep

I keep a drive attached to my MacBook for Time Machine backups when I'm at my desk. I also regularly work from places other than my desk. Most of the time, if I close the laptop lid I intend to leave ...
7
votes
3answers
984 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 ...
3
votes
0answers
43 views

How to disable Command-Control-Power shortcut?

I frequently use Command-Option-Power shortcut to send my Macbook to sleep (especially since closing the lid when I have external monitor doesn't trigger sleep). Unfortunately, this shortcut is very ...
10
votes
4answers
8k views

My Mac mini's computer name keeps changing when it resumes from sleep

When I wake my Mac mini from sleep, it occasionally comes up with a dialog saying "The name of your computer "whatever" is already in use on this network. The name has been changed to "whatever (1)"" ...
10
votes
6answers
1k views

Mac Mini 2011 - monitor wakes up messed up

I have an Mac Mini from 2011. Sometimes (I would say 80% of the time) when I wake up the monitors, after they've been sleeping, my main monitor (a Benq G2220HD 22″, connected via DVI → Mini ...
0
votes
1answer
1k views

Black Screen of Semi-Death after Sleep/Fast User Switching

On occasion, I get a "black screen of death" where the mouse cursor is visible and working, but no amount of mouse or keyboard activity will wake the machine back up. This typically happens after ...
0
votes
0answers
52 views

caffeinate with launchd Doesn't Work when I Close My Laptop's Lid

I have a launchd task that periodically initiates a time machine network backup. I've had problems with corrupted sparse bundle disk images, which I've assumed is due to the either the computer ...
1
vote
0answers
27 views

2009 Mac Mini Wakes Up Immediately After Sleep. What Could be Wrong?

This computer would sleep fine before. Now it wakes up immediately after sleeping, either from a timer, or from the Sleep menu item. Even if all USB ports (except the wireless mouse) are empty Even ...
0
votes
0answers
54 views

MBP Retina constantly crashes in sleep mode

My Mid-2014 MBP (bought a month ago) constantly crashes in sleep mode and reboots. This night it happened at 04:12 am, 05:08 am, 05:29 am, 06:37 am, 07:51 am, 08:10 am and 08:45 am. It unfortunately ...
3
votes
5answers
4k views

Why does my Macbook Pro try to shut down when I leave it unattended?

When I close the lid of my Macbook Pro (Lion), it goes to sleep, which is good: it powers down without closing my applications. But if I just leave the computer unattended for a while without closing ...
0
votes
1answer
38 views

Mac OS X - report time on battery since last AC unplug but exclude sleep time

Is there an app or existing command to report the battery time since the laptop was last unplugged from AC but exlude the time spend during sleep on battery? This can be inferred from pmset -g log so ...
1
vote
1answer
45 views

Can I write a script to take an action right before the computer is going to go to sleep?

I think my computer is randomly not syncing email correctly with Apple Mail, but it's only a problem when it wakes from sleep. That issue is neither here nor there. What I'd like to do is write a ...
0
votes
0answers
40 views

Is it possible to do a “hard reset” on trackpad driver to solve erratic trackpad behaviour: clicks but no movement

I have a 13" MBP mid-2011 which has some trackpad issues. Every once in a while (can not replicate this reliably) the trackpad "freezes" after waking up. It will click (can select text or click ...
2
votes
4answers
26k 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 ...
1
vote
2answers
1k views

Macbook Air intermittently can't find startup disk

About six months ago, my Macbook Air started having a strange issue where it would often not be able to find the startup disk, giving me the flashing question mark. Initially, I was convinced the hard ...
2
votes
0answers
39 views

Set timeout when falling asleep before network disconnects

I'm using OS X Mavericks (latest) on a 15″ 2014 MBP. There's an option to make the system not lock the screen for x number of seconds/minutes after the screen goes dim. I'm looking for an option to ...
7
votes
3answers
2k 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 ...
1
vote
1answer
127 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, ...
0
votes
1answer
1k views

Serious Boot / Sleep Problems

Two days ays ago I closed the lid of my macbook pre for the night as I have done for the last 2.5 years but when I opened the lid in the morning the screen didn't show. It seemed to be 'alive' (ish) ...
0
votes
0answers
66 views

Put Mac to sleep while connected via Juniper VPN, after wake up no Internet connection?

Usually, I do to the following: Connect to a VPN via Juniper's Network Access client. Put my Mac to sleep (without disconnecting from VPN). When I resume my Mac from sleep, the top panel indicator ...
2
votes
1answer
96 views

Mac randomly wakes up. Wake reason: (User)

My mac randomly wakes up for no reason and says the user is the reason, when it is not. Here's syslog |grep -i "Wake reason": Feb 25 20:13:44 Garys-MacBook-Pro kernel[0] <Notice>: Wake reason: ...
2
votes
2answers
631 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
15k views

How do I prevent my iMac from sleeping while media is being played or streamed?

I know this problem has been around for a while. With the release of Mountain Lion Macs got the bad habit of falling to sleep when they are not used by a human. My iMac falls to sleep when I walk ...
5
votes
2answers
422 views

MacBook Pro going to sleep by itself because of watchdog daemon

For a couple of weeks, my Mac has been going to sleep by itself. This seems to happen more often when I'm running more stuff on my Mac (Chrome + Spotify + etc…) In my console, the message is the ...