1
vote
1answer
20 views

Prevent display from turning off with certain applications

I have a MacBook Pro, and during media presentations, my screen automatically turns off according to the settings app (which of course is operation as usual, to be expected). I'm looking for an ...
1
vote
0answers
22 views

My monitor doesn't sleep if my mac is connected via HDMI: who's at fault?

I have a MacBook5,1 running 10.8, and an Asus VW246 monitor. I connected it to the monitor using a "MiniDisplayPort->DVI(f) adapter" + a "DVI(m)-DVI(m) cable". Now I've bought a single ...
0
votes
2answers
163 views

Is there a way to prevent a Macbook Air from sleeping when external monitor is plugged in but power is not?

I have a 13-inch Mid 2012 Macbook Air running 10.9.3. I usually run with the lid closed plugging into 2 Apple cinema displays. Everything works great, except when I accidentally bump the power cable, ...
3
votes
1answer
132 views

Black screen with dual monitors (10.9.3)

I have been experiencing a problem with my Macbook Pro (latest version) when connecting it to a dual monitor. I usually click on the trackpad to wake the computer immediately after it has gone into ...
1
vote
1answer
62 views

Trouble with Macbook display — brightness cuts out or gets wavy if I move the screen around

Macbook Pro, 2008, 15 inch Running Mavericks 10.9.2 If I move the screen around at all while it's running the brightness will almost always reset to as if it was zero or it gets these wavy ...
0
votes
0answers
211 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
610 views

How To Turn Off Mac’s Monitor screen

How can I turn off tmy Mac's monitor. I know I can turn off the display by setting a hot cornet or by using ctrl + shift + Eject but I dont want this. I want to leave my Mac on and connect to it via ...
0
votes
0answers
222 views

Mac Mini either won't wake up from sleep or stuck at screen saver

I have a Mac Mini hooked up via HDMI to an Acer Monitor. It's my second computer, I also have a Windows box hooked up. They are both hooked up to the same keyboard and mouse via a KM switch. ...
8
votes
3answers
383 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
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 ...
1
vote
0answers
321 views

External Display Won't stay asleep: stuck in sleep / wake loop

I have a mid-2012 MacBook Pro (running Mountain Lion) connected to an HP Pavilion 23xi external display. The external is connected via DVI-->Thunderbolt adapter, is set as the primary display and the ...
3
votes
1answer
319 views

App windows move spontaneously on display wake (2 monitors) - OS X 10.8.3

OS X 10.8.3 Mac Mini Late 2012, 2.6Ghz quad-core i7, set up with 2 displays, like this: Thunderbolt Port HDMI Port /*****************|------|**********\_______________ | ...
7
votes
4answers
6k views

External monitor resolution setting is lost after MacBook “wakes up” from sleep

I have recently purchased an external monitor that I am connecting to my MacBook Pro (Late 2009) using the MiniDisplay-to-VGA adapter. I have both the external monitor and the MacBook's monitor set to ...
1
vote
4answers
5k 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 ...
0
votes
0answers
387 views

Why didn't my Macbook sleep (USB Keyboard/Mouse was connected, lid open)

First off, let's begin with some research that I did before asking this question. Now, in my situation, I was using my Macbook Pro (Mountain Lion) with an Apple USB keyboard connected to the ...
1
vote
5answers
6k views

How to fix a Macbook that does not always draw its internal screen after waking from sleep and having unplugged external display while asleep?

I have a 2012 MacBook Pro (Retina) which I mostly use on my desk. The computer is "docked" via a Thunderbolt display, and additionally a third-party DVI display, which I have hooked up via an Apple ...
4
votes
1answer
83 views

Energy saver: do the battery settings apply during charging?

I have my Macbook pro 17 (early 2011, OSX 10.6.8) set to turn off the display at 30 minutes on AC, and 10 minutes on battery. I've noticed recently that if the battery is charging (the little battery ...
2
votes
2answers
30k 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 ...
0
votes
0answers
1k views

How can I disable Power Save Mode on Dell ST2410 Display under OS X?

Hoping someone can help me figure out this problem. I have a Dell ST2410 display hooked up to my Mac mini via the mini display port hooked up to a DVI adapter and then DVI in on the display. The ...
4
votes
2answers
925 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
501 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. ...