2
votes
0answers
144 views

Mac OSX: strange shaking (jitter) of screen

I noticed that sometimes a strange interference in rendering happened on my screen. I thought it was some minor issue with hardware. It happened 2 or 3 times a few months ago and I didn't think much ...
2
votes
1answer
502 views

MacBook screen very dark after resuming on OS X 10.8

I have a MacBook late 2008 aluminum model (5,1). Occasionally, after reopening my MacBook's lid, the screen doesn't light up. With effort I can see that the password prompt is actually rendered very ...
3
votes
7answers
9k views

How to Screen Sharing / VNC to an iMac without waking the display?

I have an iMac mid 2011 at home. When I was not home, I may need to access my mac with Screen Sharing. However the iMac display will turn itself on when I connect via Screen Sharing. The problem is I ...
1
vote
0answers
58 views

How to Instantly Lock your Mac OS X Screen, using keyboard, in Mountain Lion [duplicate]

I have a Macbook Air, and I want to know if there is a way to instantly lock my screen, using only my keyboard. I saw that it is possible to lock it using the following shortcut: Control+Shift+Eject. ...
3
votes
2answers
246 views

How can I determine if the screen is asleep in Mountain Lion, from the command line?

I have a script that needs to run every so often, but only if the screensaver is active or if the screen is asleep (to make sure nobody is actively using the computer first). I need to have a way to ...
2
votes
1answer
115 views

Connect to external TV without main screen

I have a Macbook Pro 13 "(late 2009) with a screen that just stopped working. In the technical assistance they told me that the problem would be the logic board or the display, any of them quite ...
0
votes
0answers
545 views

Mac Mini boots with bad display settings after it was turned off for a while (Mountain Lion)

I got a Mac Mini (Late 2009) and a Samsung SyncMaster P2470LHD and this seem to happen every time it’s left off for some time. On the first boot the screen resolution is always wrong: the Dock will be ...
13
votes
4answers
29k views

How to get back the missing monitor option in Mountain Lion's menubar?

When plugging in an external monitor on every OS X < 10.8 you could set the monitor options to show up on the menu bar. How do I get this option on Mountain Lion? I connect a DVI monitor via the ...