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votes
1answer
35 views

Hot to get rid of “ghost pixels”?

So I just noticed that some parts of the window I just closed are still being displayed but very lightly. I don't know the correct terminology for them but it looks very interesting. The only problem ...
0
votes
1answer
89 views

Turn off an iMac's screen in single user mode

I have an old (yet fairly powerful) iMac that I would like to be able to use for servers. Obviously, the best way to run a server would be to boot it up into single user mode/verbose mode for maximum ...
1
vote
1answer
2k views

Wifi on iMac Constantly Dropping

I have had this iMac for a couple of years, and I have had constant issues with the wifi periodically disconnecting (only recently cared because I have actually started using it). I have recently ...
0
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0answers
1k views

Network cable is plugged in, but iMac isn't recognizing connection

So, while doing a little home networking, I decided to place my iMac on a ethernet connection. Well I plugged in the ethernet cable and normally it will recognize the present cable but not immediately ...
1
vote
0answers
84 views

iMac freezes when power button pressed

iMac Specs: 24" Apple iMac OS X Lion (10.7.5) 2.4 GHz Intel Core 2 Duo 4GB 667 MHz DDR2 SDRAM The normal behavior when pressing the power button while the iMac is running is to put the computer to ...
0
votes
1answer
271 views

Dock takes up 4GB of memory in Lion OS

I recently purchased an iMac, and upgraded the memory to 8GB, however, my iMac has been really laggy these days, so today, I checked the memory usage. It turned out that Dock took up 3.9G of memory, ...
0
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1answer
1k views

How to record screen on iMac 27 if the video is from Mini DisplayPort?

I am trying to record the replay from my PS3. I have an ATLONA HDMI to mini displayport to display PS3 video on my iMac, but I can't figure out how to record the video. I know quicktime can record ...