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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6
votes
1answer
8k 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 ...
0
votes
3answers
3k views

“You restarted/Computer restarted because of a problem” on wakeup, Evernote?

For the last few days I've been getting scared because of these messages that appear very frequently on wakeup, and almost always when I wakeup after a long duration. Sometimes it says "you restarted ...
0
votes
0answers
39 views

Built in keyboard and trackpad on 2015 Macbook Pro not working

A few weeks ago I started noticing that after waking my mac from sleep, or after starting it up, they keyboard and mouse (and sometimes just the mouse) would not be responsive at all. I'd have to do a ...
3
votes
1answer
12k 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
54 views

How to stop my SSD “ejecting” from my iMac when in standby?

I recently purchased an SSD drive for my 2009 27" iMac to replace the DVD Drive. Everything installed fine, performance is good etc. However when the device (SSD) is put to "sleep", OS X sees it as ...
1
vote
4answers
4k 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  ...
4
votes
2answers
15k views

Mac doesn't respond after sleep mode: how to Prevent this?

My mac often doesn't respond after sleep mode. What can be the reason? There are a lot of articles about what to do in this situation. But I can find nothing about how to Prevent it. Mac is macbook ...
1
vote
1answer
27 views

Set Computer to Sleep Mode for Specific Amount of Time from CLI

This terminal command sets the computer to sleep mode: osascript -e 'tell application "Finder" to sleep' How can I make the computer sleep for a specific amount of time, say 20 minutes? Do I need ...
0
votes
1answer
13 views

How do I find out what is keeping my Macbook from sleeping?

My Macbook will drain of battery when it's not plugged in. I thought it was a bad battery (it says it needs serviced) but even if it's a bad battery it should not be taking power when the lid is ...
18
votes
7answers
84k views

Put the display to sleep without putting the whole computer to sleep?

I like to use vnc on my ipad on my bed. I want the mac to go to a black screen so I can fall asleep while using the ipad, and not have to get up to shut down the mac afterwards. Is there anyway to ...
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 ...
0
votes
0answers
15 views

display will not wake when using external monitor

I am using a macbook air. It worked fine until recently. As far as I know I did not change anything. There are two problematic behaviors: Lid open: when waking, the external monitor does not ...
1
vote
3answers
150 views

iMac randomly wakes up from sleep

My iMac (27-inch, Late 2012) randomly wakes up, up to 9 times a day. I'm using El Capitan 10.11.3 (15D21). A syslog | grep -i "Wake reason" shows the following many times: Apr  5 00:02:50 ...
1
vote
2answers
2k views

Mac mini set to never sleep, but seems to be sleeping anyway (does not respond to network)

I've enabled SSH into my mac mini (late 2012 running OS X 10.9.3), and have the energy saver settings set so that the display sleeps after 10 minutes, and the computer is set to never sleep. If the ...
0
votes
0answers
10 views

Why could MBP be making slow churn after RAM update?

I recently upgraded my MBP Early 2011, 2.7 GHz Intel Core i7, RAM from 4GB to 8GB. I'm running Yosemite, so I figured this was a good decision. I've noticed that my MBP now is louder than it used to ...
6
votes
3answers
2k views

How to tell if a Retina MacBook Pro has gone to sleep when the lid is closed?

When I shut the lid on my Retina MacBook Pro (2014), how can I tell it's gone to sleep correctly? On my previous MacBook Pro (~2008), the fans were audible, and there was a sleeping LED indicator in ...
0
votes
0answers
28 views

Why does my Macbook occasionally refuse to log back in after sleeping?

I have a 13" Macbook Pro Early 2015 currently running El Capitan 10.11.3 (15D21). I use it very heavily just about every day for coding, web browsing, etc. I rarely reboot it, basically just to ...
10
votes
2answers
2k 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 ...
0
votes
0answers
15 views

How can I auto resume background jobs upon login

I'm running a bash script over several days. When I put the laptop on sleep and log back in, the script is stopped. I have to send the kill -CONT message to the process for it to resume. Is there a ...
0
votes
1answer
152 views

Yosemite - Require password after sleep is disabled

I am trying to prevent the system to always ask for the password when it wakes up from sleep. I have a MacbookPro with Yosemite 10.10.5. User has admin rights and password different than the ...
1
vote
1answer
21 views

Put computer to sleep and have it ask for password on wake

How do I put computer to sleep and have it re-awake asking for a password? I'm looking for a terminal command to do this. I tried pmset sleepnow did not work.
3
votes
4answers
11k 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 ...
1
vote
2answers
27 views

2015 MacBook Air display awake while lid closed

I want my late 2015 MacBook Air to remain awake when the lid is closed. I have tried Caffeine, Stay Awake, and Theine, as well as changing my power saving settings to 'never' but nothing seems to ...
0
votes
0answers
13 views

How to disable sleep on lid close when security is set to force password on wake

I've seen many instances of solutions using pmset noidle and caffeinate -u -t 60 These don't work. When I close the lid and reopen it within 10 seconds the login prompt appears again. And I want ...
1
vote
1answer
2k views

MacBook Pro sometimes freezes after waking from sleep

Since I updated to Yosemite after it was released my MacBook Pro (Mid 2012 2.5 GHz Intel Core i5) sometimes freezes for several minutes after waking it from sleep mode. It does not happen every time ...
5
votes
2answers
6k 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]: ...
4
votes
2answers
441 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 ...
3
votes
3answers
2k views

How do I stop my MacBook Pro from randomly freezing when trying to go to sleep?

My 2011 MacBook Pro has been having a problem occasionally where I put it to sleep, but it continues to run. Later when I go use it again, I realize that it was on the whole time (usually inside my ...
2
votes
2answers
96 views

Why does my iMac go to sleep while I am using it?

My iMac (2014) running OS X 10.11.3 goes to sleep every now and then several times a day while I am using it. I do not lose any work, but it is very annoying. I do not have any hot-corners for ...
1
vote
1answer
25 views

Trying to wake my Mac using Apple / Power Manager Script triggered by Folder Actions

I've been trying to tweak the following script to achieve this. (original script) tell application "Power Manager Scripting" tell workshop set myEvent to make new event with properties ...
3
votes
3answers
23k 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 ...
2
votes
0answers
214 views

Intermittent Keyboard Failure when Waking from Sleep

So after a pretty catastrophic failure (see: Yosemite Upgrades: Lost and Broken User Accounts ) I have reinstalled Yosemite on my old tower-style Mac Pro and begin the work of restoring from backups. ...
57
votes
7answers
69k views

Is there any way to set a MacBook Pro to not sleep when you close the lid?

The most common use case I have for this is when I'm playing music over AirTunes, but don't want an open laptop laying around. Or when I'm syncing or downloading something. This isn't the same as ...
0
votes
1answer
236 views

Updated to 10.11.4 now getting “Disk not ejected properly” every time my Mac mini sleeps

Been running El Capitan since it was officially released. Updated to 10.11.4 a few days ago. I have a WD Elements USB 3.0 drive connected to my Mac mini (directly to the rear ports, not via a hub). ...
12
votes
6answers
15k views

Waking display from terminal, general waking

This is a two part question. A practical, "how to" question is first, and then I ask for configuration suggestions. First, I put my displays to sleep at night, and I would like to be able to wake ...
0
votes
0answers
54 views

Login Screen Not Appearing on External Monitor in Clamshell Mode

When in clamshell mode, locked, and with display asleep, I expect to be able to wake the display and see the login screen on my external monitor by moving the mouse or typing. Instead, the screen ...
40
votes
6answers
29k 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 ...
2
votes
0answers
88 views

Wake On Lan Sleeping Mac Issues

I am having trouble with Wake On Lan for my Mac. I am trying to wake it over the internet from my phone so I can log in to TeamViewer and control it remotely. I don't know if it is my router that is ...
3
votes
5answers
191 views

ICloud Password prompt

On my Yosemite OSX machine I often get an ICloud prompt after awaking from sleep or after a reboot like this what program is causing this? Is it a valid Apple one or one trying to get my password? ...
12
votes
8answers
2k 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 ...
7
votes
7answers
55k views

How can I stop my MacBook Pro from automatically sleeping when I lock the screen?

Whenever I lock my screen (via either the lock icon -> Lock screen or by using the Control+shift+eject key combination), my screen immediately turns off (not showing the screen saver), and the system ...
1
vote
2answers
2k views

My Mac isn't locking when I put it to sleep

If I go  -> Sleep or even hold the power button, my Mac goes to sleep but when I go to wake it up I immediately see the screen I'd put it to sleep on. Before I was asked for my password again upon ...
0
votes
3answers
36 views

Is it normal for MacBook Pro CD/DVD drive to makes noise on wake after long sleep

Every time I put my MacBook Pro (13in, mid-2012) to sleep and shut the lid, then wait at least 20 mins then open the lid and wake it up, my CD/DVD drive makes an odd sound as if it thinks there's a ...
5
votes
7answers
43k views

How do I prevent my MacBook from sleeping when downloading apps from the App Store

When I try to download large apps from the App Store whether on battery or AC power the displays turns off after time set and downloading also stops. The Energy Saver preferences are set to ...
0
votes
1answer
254 views

Dell P2715Q Needs “Detect Displays” after MBPR 15" goes to sleep

So I have my new Dell P2715Q connected to a Thunderbolt port on my MacBook Pro Retina 15" Mid-2015 using the supplied DisplayPort cable, in SST mode. When I plugged it in the first time, it worked ...
7
votes
5answers
83k 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 ...
0
votes
1answer
43 views

Best practices for Macbook Pro usage [duplicate]

I have a new Macbook Pro and I want it to last and keep a healthy battery. How do I best ensure this? If I am using it, do I let it discharge, or leave it plugged in? If I am discharging it / ...
1
vote
2answers
488 views

Chrome prevents Macbook from sleeping

Chrome prevents my Macbook from sleeping. See screenshot: Some websites say it might be due to a chrome extension, but I've installed no new extensions in the last two weeks (I've only had this ...
0
votes
0answers
54 views

Fixing black screen and login issues

Recently I've been having trouble with my Macbook Pro crashing seemingly at random. This typically happens when I try to wake the machine from sleep (if it matters, I usually cause the computer to ...
0
votes
0answers
22 views

Do cronjob run when the computer is asleep?

I have a macbook air running El Capitan. I wrote a few cronjob that appear to be running even when the computer is asleep. Is this correct, or is my computer not really in a sleep state?