0
votes
1answer
17 views

Dead IMac screen

The screen on my 2012 IMac stopped working, and does not respond to the usual quick fixes. How can I display the IMac and its menus on another computer to explore other diagnostics? On a Mac Pro?
0
votes
0answers
16 views

iMac 20" 2008 screen problem

I have problems with my screen, a kind of rare resolution and colours, like posterized or solarized image. The hardware test says theres no problem. So I reinstall Mavericks and the first ten minutes ...
3
votes
2answers
78 views

How to clean iMac screen?

I've messed up and used a generic LCD cleaning product on a glass iMac screen. According to the label it consists of distilled water and surfactants (or surface-active components, don't know how to ...
4
votes
2answers
7k views

iMac 27" Screen goes black screen

My iMac 27" screen went black on start up after logo, but I could still see my mouse pointer. I've restarted my computer and it is still not helping at all. I'm running Mavericks 10.9.2 with an i5 ...
0
votes
1answer
58 views

Using iMac 2012 as a monitor for MacBook Pro 2012

Can I use a Macbook Pro as a monitor for an iMac? Both of them are on sale from a startup that went out of business, and were originally bought in 2012.
0
votes
0answers
102 views

QuickTime Player Green Screen [duplicate]

I am trying to record a video with Quicktime Player but whenever I record it shows a green screen. When I try to watch the video when I record the screen: P.S I am using an iMac...
0
votes
0answers
290 views

iMac Screen fail, vertical lines

One day after I on the iMac, I hear the initial sound, and I see this: As the activity indicator is spinning, I've been waiting for a long, but it never finishes to load. Then I tried to boot in ...
1
vote
1answer
2k views

iMac doesn't start, all i see is colored lines and then checkered lines on a white background

I have iMac 2010 which is out of warranty. I recently came up to the computer and it was sleeping and was not waking up. I held the powered button for a while, so it turned off. Then I pressed it ...
0
votes
2answers
392 views

iMac monitor leaves watermark-like window stamps after a while

I'm not sure how to compile a logic title for this question, so if the title is unclear, suggest an edit. Here's a description of the problem I am experiencing: Whenever my iMac has been on for a few ...
7
votes
3answers
1k views

Turn off iMac main screen while working on external

I have an external display on my iMac and I would like to work only on the external display and turn off/disable the iMac one, just like the "clamshell mode" on a Macbook for example. It works with ...
3
votes
0answers
160 views

iMac with aftermarket SSD - blank login screen [closed]

Here's a tough one for you. I installed an SSD in the optical drive slot of my 2009 iMac a few months ago. It's the system drive, working in conjunction with the old internal hard drive. On occasion, ...
1
vote
3answers
12k views

Screen sharing MacBook-pro to iMac

I wonder if there is someway of sharing the screen on my macbook pro (which stands on the right of my iMac) to the iMac, so that I can use the same keyboard and mouse for both computers. I believe ...
1
vote
2answers
4k views

iMac second monitor alternative

I would like to have a dual screen setup with my 21" iMac, but I'd like to avoid the expensive 27" official monitor from Apple. Is there a specific 21" screen that would fit well in size, resolution, ...
4
votes
2answers
2k views

Turning off ambient light control?

I have a mid-2011 27" iMac. I have realized that the screen brightness adjusts depending on the ambient light. When the sun hides behind the clouds, and the room gets darker, the brightness decreases. ...
11
votes
5answers
33k 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 ...
2
votes
4answers
2k views

Is there an application for Windows7 (in bootcamp) to adjust the level of brightness of screen of iMac?

I want to darken the screen of my iMac because it is too bright for me. I use an application called shades, but it doesn't work in bootcamp. I found the software for Windows Vista called VistaShades ...