1
vote
1answer
46 views

Why does my iMac take so long to go to sleep?

Note: I have seen this question as well as this question, I don't believe that either pertain to this situation. When I press the sleep button on my iMac it consistently takes 30-31 seconds to go ...
0
votes
0answers
62 views

iMac doesn't recognize external Monitor after wake up

I know there are a lot different topics on this, mostly for MBP's, but I did not found any solution for me though. I have an iMac 27" late 2013 with 16GB RAM and an external Acer S232HL connected via ...
0
votes
2answers
46 views

How to make the iMac go to sleep after certain amount of time?

My MacBook Pro has settings for putting the Mac to sleep after a certain amount of idle time. My iMac does not have that setting. See the screenshot (sorry, it's in German). I want to make sure that ...
1
vote
0answers
28 views

Is it possible to have an iMac maintain target display mode even through sleep/screensaver

I want to be able to make it so that my iMac doesn't exit target display mode until the thunderbolt cable is pulled from my Macbook. I love target display mode in theory, but every time I lock my ...
2
votes
1answer
71 views

Fusion Drive constantly spinning up and down

I've got a 1TB Fusion Drive (with a Seagate 7200 rpm hard drive) in a Late 2013 27" iMac. While the iMac is asleep, the hard drive spins up and down every minute or so (without fail), creating an ...
0
votes
0answers
36 views

Desktop shows for split second on wake before password requested

If I wake my Mac from sleep I always get a split second flash of my active desktop before the screen is replaced by my usual password unlock screen. When I unlock, I get my desktop as normal, as it ...
0
votes
2answers
129 views

27" iMac won't stay asleep

My 27" iMac wakes up from sleep randomly, even though I went through the "energy saver" preference pane, and bluetooth is only active for my mouse and keyboard. What could be causing this?
2
votes
2answers
932 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. ...
0
votes
0answers
248 views

iMac Display not waking up

The past two mornings, the display on my iMac wouldn't come back up when clicking the mouse or keyboard as it has for the past 3 years. The curious thing is that when I access it through Finder on ...
0
votes
1answer
434 views

iMac with Mavericks sometimes won't sleep

My mid 2012 iMac 27" with Mavericks sometimes won't sleep. Its screen is light up in the morning and I'm still logged in. Energy settings: pmset shows: Last login: Wed Jan 22 23:08:58 on ttys000 ...
1
vote
1answer
96 views

iMac behaves inconsistently when waking from long periods of inactivity

I have a late 2012 model iMac with OS X Mavericks installed. When I go to wake the iMac after a long period of inactivity (2 days for example) it behaves in one of two ways: Sometimes the iMac wakes ...
1
vote
1answer
184 views

Screensaver after morning wake

I would like the screen saver (which shows family photos) to launch each morning when the computer wakes in the morning. I used the Energy Saver option to sleep the computer each night and to wake it ...
0
votes
1answer
199 views

iMac screen won't turn back on after a sleep session in Windows 8.1

I do a lot of hardware programming, and some of the chips I write applications for don't have IDEs and/or compilers that are compatible with anything other than windows, so I do use Windows quite ...
0
votes
0answers
363 views

Wake on LAN with iMac

Which iMac models support wake on LAN (ethernet)? I've enabled "Wake for Administrator Access" but I can't wake up the Mac from Off or Sleep states. I'm using my tried-and-true tomato firmware which ...
0
votes
1answer
34 views

iMac monitor unexpectedly comes back on

I turn the monitor off (using control+shift+eject) while listening to music on my iMac 27". But recently it has starting coming back on almost right away, which I assume is from the vibration of the ...
0
votes
2answers
1k views

iMac wakes up without any noticeable reason

I have a iMac 27" late 2012, OS X 10.8.4 and last night it woke up from sleep-mode while I was 3 meters away from it. Nobody but me was in the room. The login-Screen was visible. After some seconds ...
0
votes
1answer
422 views

iMac black-screened, wouldn't wake up; here's the error message

I put my 1 year old iMac (running OSX 10.8.2 with all updates) to sleep in San Diego. I then tried to wake it up from Vegas using my other iMac (same OS) using the following command: Cmd-K >> ...
7
votes
2answers
5k views

Why Does My iMac Wake Itself Up?

I have an early 2009 24" iMac. Lately, when in sleep mode it will occasionally wake up for around ten seconds with the screen off, then go back to sleep. Wake on LAN is turned off so I can't figure ...
3
votes
1answer
306 views

iMac sleeping even when set to never sleep

Running 10.7.5, I've got a fairly new iMac (6 months old) 27", set to never sleep, yet when I got in to work this morning it was asleep. How to fix this? Output from pmset -g in Terminal: Active ...
2
votes
0answers
203 views

iMac OS 10.8 sleeps even when set to never sleep

This is new behavior within the last month. I have the iMac set to never sleep so that I can access it via Logmein remotely. But the last several weeks the machine goes completely to sleep. Any ...
3
votes
1answer
408 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 ...
2
votes
0answers
285 views

sleep, screensaver and Filevault

I am mystified: first, I have an iMac and a mbp, both running mountain lion. In System Preferences > Security > General > Require Password after sleep or screensaver, I can adjust the time to 4 hours ...
1
vote
1answer
563 views

Why do I have to reboot my iMac and Wacom Cintiq after sleep?

I have an iMac and a 24 inch Wacom Cintiq. When I put the iMac to sleep, it freezes and I have to restart both the iMac and the Wacom Cintiq. How can I get around this?
2
votes
2answers
31k 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 ...
2
votes
2answers
2k views

iMac going in and out of sleep every few seconds

If I put my iMac (2011, i7) to sleep, it'll wake up after 5 seconds, then go back to sleep after a few seconds, and repeat constantly. The only way to stop it is to restart. This seems to be happening ...
11
votes
5answers
35k 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 ...
3
votes
1answer
686 views

External HDD Unmounted After Sleep

I have the new iMac 21,5" and a Samsung G3 Station 1,5TB external HDD. When I plug my HDD, connecting to energy and via USB, no problems, Mac OS recognizes it and I can use it normally. The problem ...
1
vote
2answers
920 views

Should my iMac hibernate automatically

I've got a 2009 iMac (Intel Core 2 Duo) and I've noticed that the disks never sleep. I ran a power monitor and the iMac is using a third of our electricity every day! I've checked via pmset that ...