2
votes
1answer
105 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 ...
2
votes
4answers
1k 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
44 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. ...
0
votes
0answers
23 views

MacBook Pro Dual Screen Setup - Not working without Charger on Screen Down [duplicate]

Possible Duplicate: Turn off internal display without closing lid I have a MacBook Pro 13 inch. I use a Samsung SyncMaster 920NW (19 inch, resolution: 1440 x 900) as the second screen with ...
2
votes
1answer
127 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
93 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
365 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 ...
9
votes
4answers
20k 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 ...
0
votes
0answers
279 views

Why is after updating to Mountain Lion, my MacBook's screen starts to blink/flash with a grey background?

After updating to Mountain Lion, my MacBook's screen starts to blink/flash with a grey background. What could be the problem?