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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0
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0answers
185 views

How to disable AddressBookSourceSync in El Capitan

AddressBookSourceSync continually prevents idle sleep. I don't use address book syncing and in previous versions I used just to delete the app. However this is now prevented by System Integrity ...
18
votes
6answers
78k 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 ...
1
vote
1answer
180 views

rMBP Early 2015 wakes from sleep every minute

My Macbook Pro 13" after upgrading to El Capitan 10.11.2 wakes from sleep every minute. This effectively drains battery overnight. Tried to reset SMC, turned off wifi but nothing helps. Does anybody ...
3
votes
1answer
617 views

How do I (re)mount missing Firewire drives? Why do they vanish?

I have several Firewire drives that occasionally "go missing" even though they are connected to my Mac and powered on (the power light is illuminated). These drives do not appear in Disk Utility or ...
3
votes
1answer
67 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, ...
7
votes
11answers
74k 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 ...
0
votes
0answers
132 views

After Installing El Capitan I Will be Logged Out Frequently

MacPro late 2009 with 3 monitors. OSX 10.11.1 Will run great on 1 monitor without screen/system freeze or logouts. At times it is an instant logout, other times, the primary monitor freezes, or is ...
0
votes
0answers
60 views

Macbook reboots twice after sleep

Macbook Pro, El Capitan. Anyway it occurred also with the old version of Mac OS X. May be a bad RAM stick? I write here the Apple Report: Anonymous UUID: 4C60E02F-404C-D0CB-4E5F-C463228584E1 ...
0
votes
0answers
26 views

Wake up MacBook (Air) with sound silenced

I've had the issue repeatedly that I would open the lid of my MacBook Air (2012) and it would resume playing either video or music that was on at the moment it went to sleep (could be for example ...
0
votes
2answers
42 views

Why is my macbook pro non-retina slow to sleep (15-20 s) despite no sleepimage?

So, the situation: non-retina macbook pro mavericks OS X or newer have to wait 15+ seconds for macbook to sleep already tried setting hibernatemode=0 (no sleepimage) see the following text after ...
14
votes
2answers
70k 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 ...
33
votes
5answers
23k 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
2answers
505 views

Macbook pro continuously wakes up while in sleep mode

I've a 15" Macbook pro (mid-2015) OSX 10.11.1 and I noticed that my macbook looses 20% power while in sleepmode for 12 hours. This is a small part of my log file when my macbook was in "sleep" mode: ...
0
votes
1answer
57 views

Why does my iphone 6s not wake up for a phone call?

Sometimes when unplugging my iPhone 6s from the charger, the screen stays black without waking up. I have checked and determined that did charge the battery so I know it had a good connection. If I ...
0
votes
0answers
51 views

Yosemite and hibernate - Macbook seems to turn off

I'm a bit surprised with my Macbook behaviour (Yosemite). I tried to set up real hibernation mode (25), and it worked fine. After daily work, I close the lid, computer hibernates, and I open it up ...
3
votes
2answers
171 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 ...
0
votes
0answers
77 views

Macbook Pro 13" i7 early 2015, wake up problems

I have a macbook pro 13" early 2015 with i7, running latest El Capitan. When I come to work and hook it up to my 27" Thunderbolt display, my keyboard that is connected to the monitor does not turn on ...
1
vote
1answer
255 views

Sleepless Mac although disabled PowerNap

I have got a late 2012 Mac Mini. I like that, when I put my mac to sleep, it sleeps but, my Mac, since I bought it, even if I put in sleep mode it keep working. For example tonight I heard it ...
0
votes
0answers
74 views

After waking, mac not connected to wifi

I have a new macbook running El Capitan and it's connected to my home wifi. However, when it sleeps for some minutes (15-20min usually) and I awake it, my internet connection will not work, even ...
1
vote
3answers
320 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 ...
1
vote
1answer
98 views

iTunes' music sharing disconnects when Macbook sleeps

My Macbook Pro, OSX El Capitan 10.11.1, disconnects from my Windows PC's shared iTunes library whenever it (my Macbook) sleeps. To reconnect it I have to restart music sharing from the Windows ...
0
votes
1answer
269 views

Display connected via DisplayPort disconnects, reconnects when resuming, resizing windows on display

I have a new LG 29UM55 29" Ultrawide monitor, resolution of 2560 x 1080, connected via DisplayPort to my 2012 MacBook Air 13" via a Cable Matters Mini DisplayPort to DisplayPort cable that reportedly ...
0
votes
0answers
28 views

How to turn off TP-Link radio before sleep

I have a TP-Link USB card that uses its own WIFI config utility. It doesn't officially support 10.11 El Capitan, but I was able to install the kext and application manually. Now, the computer won't ...
1
vote
0answers
47 views

My MacBook 2012 has sleep/wake problems with SSDs as internal drive

Whenever I have an SSD (crucial mx100 or samsung 850) as my internal hard drive, my macbook has problems with sleep/wake. If I unplug my macbook and let it sleep, the hard drive does not wake up. It ...
1
vote
2answers
18 views

How can I disable all audio output from my OSX machine when the screen is locked

Essentially, I often forget to turn the sound down/off when leaving my OSX machine for the day. Since my computer is in my living room, I inevitably get a notification of some kind while watching TV, ...
1
vote
1answer
58 views

Macbook Pro can't wake up (resume) after the battery dies

2015 15" Macbook Pro, AMD Radeon graphics. When the battery runs out and the macbook is reconnected to power, I press the power button and the screen turns on. It shows a corrupt, purple and green ...
2
votes
4answers
3k views

Keep MacBook Pro awake in a clamshell mode + HDMI switcher setup

I'm running a setup with the latest Retina MacBook Pro, a Windows desktop and a single external monitor. Both machines are outputting display to a HDMI switcher, which connects to the monitor. I can ...
0
votes
0answers
28 views

sleepimage manipulation

How can I cause Mavericks to generate the sleepimage without actually putting the computer to sleep? How can I manually cause Mavericks to replace current contents of the memory with the sleepimage? ...
3
votes
1answer
1k views

What keeps waking my Mac up from sleep?

My Mac constantly wakes itself up from sleep for apparently no reason. Middle of the night, middle of that day, it just can't stay asleep. Why? I ran pmset with the following results: [redacted]:~ ...
0
votes
0answers
29 views

How to disable bluetooth energy saving mode on OSX?

I have some bluetooth 3.0 devices that will take a while to reconnect once they turn off after a period of inactivity. In a Windows OS, there is an option that allows us to turn off bluetooth energy ...
2
votes
1answer
53 views

My Mac Mini won't go to sleep

For some reason my mac mini refuses to start the screensaver or go to sleep unless I put the mouse into a hot corner. Energy saver is set to 3 mins as is system sleep. Any ideas would be greatly ...
2
votes
0answers
62 views

Macbook Air 13" 2015, won't return from sleep unless physically rotated

My girl bought a Macbook Air 13", newest generation a couple of weeks ago. It has been working flawlessly until now. When she tried to wake it from sleep, the screen was black and didn't respond to ...
3
votes
5answers
5k 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
0answers
118 views

OSX crashes and reboots several hours after going to “sleep” (lid closed)

I have a MacBook Pro as my work laptop. When I go home, I close the lid and take the laptop with me. Very often, the next time I open my laptop I find that the OS restarted "because of a problem". ...
0
votes
1answer
178 views

Macbook Pro (Early 2015) bluetooth issues after waking from sleep

Just got a new MacBook Pro (Retina, 13-inch, Early 2015), but there are several problems with bluetooth. Most of them occur when waking from sleep: Sometimes the bluetooth icon shows "Not ...
0
votes
1answer
39 views

Mac book Air Does not start without charger connected

When I close the lid of my macbook then it does not boot on opening the lid again. The battery is 100% charged, It boots only when I connect the charger and takes 3-4 minutes charge before it starts ...
0
votes
0answers
99 views

Apple TV 4th Gen - How to Sleep / Power Off with Third Party Remote

My new Apple TV (4th generation) is connected to a HDMI matrix and distributed to multiple locations in my house simulatanous. I leave the original Siri remote (with the track-pad) in the living room ...
1
vote
1answer
46 views

Does Deepsleep (Standby mode) resets uptime?

Recently, I noticed that my MacBook Pro retina 15" 2015 mid takes a quite long time to wake up from sleep. Today, I realized that my machine didn't wake up but actually boots up. How did I know that? ...
0
votes
1answer
95 views

How to prevent MacBook Pro from sleeping with turned off external display?

I have two displays connected to my MacBook Pro Retina 2015, running 10.10. It is connected to power, so it will not sleep once I close the lid. However, if I am doing long during calculations over ...
1
vote
0answers
13 views

Are Mail rules still applied when a Mac is in Power Nap mode?

I understand that when a Mac is Power Napping it will periodically check for new emails via Mail. Will Mail rules still apply to any new emails that are received when the Mac is in Power Nap mode?
1
vote
0answers
47 views

Third party USB Ethernet adapter won't wake up

I have a mid 2015 Retina MBP 15" and regularly use multi screens and hard wired ethernet. So I've bought a third party HandAcc USB ethernet adapter with Realtek 0x8153 chipset (the device also ...
0
votes
0answers
68 views

Right way to switch keyboard/mouse between Mini and MacBook

I have a Mac mini and a Macbook. I have a dual-display setup with my own keyboard and mouse. Most of the time it's all connected to my Mac mini, but I often want to use my keyboard+video+mouse with my ...
31
votes
7answers
13k 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 ...
3
votes
2answers
4k views

MacBook Air: Close lid and lock features

I wonder if there is some way to customize the lock screen feature of my MacBook Air (running Mountain Lion) in such a way that: 1: When I close the lid, and then open it, the screen is not locked ...
0
votes
1answer
179 views

Escape black screen on MacBook Pro after disconnecting external display

Here's the scenario: In my office, my MacBook Pro (Early 2011, running 10.10) is plugged into an external display over DisplayPort. I disconnect the laptop, close it (putting it to sleep), and take ...
0
votes
0answers
45 views

How to resolve Wake Sleep Crash in Yosemite?

It seems that my iMac has crashed again during sleepmode. Obviously I can format the system and start all over again, but I was wondering if there is a way to get my system started again without ...
6
votes
2answers
2k views

Mac wakes up for no reason during night (El Capitan)

Since El Capitan (10.11) I have problems with draining battery. So I searched through forums and didn't find right answer, but they gave command which show logs. So this is the log. <Notice>: ...
1
vote
1answer
125 views

Can I unplug my Mac mini from power once it's in hibernate mode?

Suppose I want to work on my Mac mini here, reach a certain point in my work, then put it in hibernate mode and unplug the power. From what I understand the hibernate mode will save the status of the ...
1
vote
0answers
56 views

After a long sleep, my MacBook Pro seems always log me out

Got a new MBP Retina Display May 2015 15'' model. It is upgraded to OS X El Capitan. Whenever I put the MBP into sleep for a little bit long ( like 1 day ), when I come back, wake it up and enter ...
2
votes
2answers
593 views

Wifi doesn't work unless I cycle it off then on again coming off of sleep

I have a Macbook Pro Retina, 15in, and I have the above issue. In a related question (Wifi doesn't work unless I turn it off then on again) a user commented: For as long as I can remember, ...