iMac, a range of all-in-one Macintosh desktop computers from Apple

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2
votes
4answers
2k views

After sleep, my iMac is very slow to respond for a 45seconds+

When my iMac enters sleep, and then I wake it up -- either shortly after, or the next day, while it responds to the wake request quickly, it's basically unresponsive for 45 seconds+ after. ...
2
votes
4answers
3k views

Internet connection no longer reliable after installing Mountain Lion

I installed Mountain Lion yesterday and find that when my 2 year old iMac comes back from sleep it finds the router and connection but fails to allow internet connection. In other words it indicates ...
9
votes
3answers
438 views

iMac external display (EA232WMi) won't sleep

I'm using an iMac 11,3 (27 inch, mid 2010) with an external display (an NEC EA232WMi). Over the past week or so (beginning just prior to 10.9.2), when the iMac's display sleeps, the external display ...
2
votes
3answers
942 views

iMac suddenly stopped seeing my WiFi network, which works with every other device in the house

My iMac suddenly stopped recognizing my WiFi network. Numerous other devices are connected to the same network (2 MacBooks, iPhone and LG Nexus). The network doesn't display in available networks ...
2
votes
3answers
6k views

Can an xbox360 be connected to a thunderbolt iMac to be used in target display mode

I've attempted to do some research, but I've unable to determine if the imac can be used as a monitor (in target display mode) for my xbox 360. It seems like the only option is some kind of weird ...
2
votes
3answers
1k views

Adjusting brightness on 27" iMac used as external DisplayPort monitor for PC

I have a Windows7 64-bit machine attached to a 27" iMac as an external displayport monitor It's working well, except I cannot adjust the brightness. I have attached a Mac keyboard both on the Mac ...
1
vote
3answers
260 views

Cannot Share Screen with MBA which is behind Airport Extreme

I'm trying to connect from iMac mid 2010 (10.8.3) to my MBA 2011 (10.8.3) using the Share Screen button in Finder. I'm able to connect, but unfortunately the connection is closed in a minute and it's ...
4
votes
2answers
6k views

Apple USB Keyboard not working on 27" iMac (Intel Core i7)

I have two similar iMacs (27" - i7 - os10.8.4 ) and use Apple's extended USB keyboards on both of them. After a power outage neither keyboard will work on one iMac (A) although both keyboards work ...
2
votes
2answers
2k views

Early 2009 iMac upgrading to Bluetooth 4.0

I have been searching on Amazon and most of the USB dongle type Bluetooth 4.0 adapters specifically say not compatible with OSX. My question is; has anyone seen a Bluetooth 4.0 option to upgrade my ...
2
votes
2answers
184 views

iMac login screen a mess. Logging in crashes the machine. Able to go into safe mode

IMac 27" late 2009, replaced DVD drive with 256Gb SSD, replaced original failed drive with a 2Tb drive. Lived happily ever after for 3 years. So this is started a few days ago. All of a sudden ...
2
votes
2answers
120 views

sleep display on imac in console mode

I'm attempting to run a flaky imac (running 10.8.5) as just an ssh server, headless and without the GUI running. I've made this work by disabling the com.apple.loginwindow.plist and ...
2
votes
2answers
1k views

How do I capture video in real time from a Canon 5D Mark II to iMac in Final Cut Pro?

We really need your help. We are shooting a movie and searching for a solution how to capture video from HDMI port of Canon 5D Mark II to an iMac 27 inch in real time. The iMac doesn't have an HDMI ...
1
vote
2answers
296 views

iMac late 2009, Screen mess up - black windows

Yesterday I was working on my iMac 27" Late 2009 with OS X Mavericks 10.9, suddenly Google Chrome's tabs started to flicker. I thought restart would stop this - but after the computer boot up again it ...
1
vote
2answers
66 views

Mac is really slow and I can't get Apps to open

When I try to open an App it does nothing. I go online and it is extremely slow. I have tried some of the idea's on here but, nothing has helped. I also tried to download a Clean up program. It isn't ...
0
votes
2answers
51 views

imac retina memory configurations

An imac retina 27" i5 (model 15.1) comes with 8GB (2X4GB) of RAM. I am purchasing 2x8GB chipsets. Will I cause a problem with my imac if I just add the 2x8GB sets yielding 24GB, or must I remove the ...
0
votes
2answers
93 views

Dock randomly switches between screens. Any way to stop?

I have a iMac running OS 10.9.3 that has 2 monitors connected to it. Randomly, thourhgout the day the dock will flip either to the left or right screen. Its pretty annoying. Does anyone know what is ...
0
votes
2answers
779 views

Driver for TP-LINK TL-WN721N Wi-Fi Adapter

I used to plug in my TP-LINK TL-WN721N Wi-Fi adapter in a port in my old computer that used to run Windows. That's how I connected to the internet, but now I bought an iMac which I couldn't connect to ...
0
votes
2answers
231 views

Hardware issue on iMac, flashing question mark

I have an iMac 2008/2009 issue and recently the computer would not boot and I would get a flashing question mark. Ran through all the usual steps, try boot in safe mode, flash RAM, try single user ...
0
votes
2answers
49 views

Black background on any app window

Suddenly my computer (iMac 27" late 2012) screen appears like the screenshot I am attaching (happens with all apps) Could it be just software issue that can be fixed or looks like a hw problem?
0
votes
2answers
183 views

ram upgrade works in safe mode but not in normal mode

I have new installed 8 gb ram in to my 2010 imac i3. It kernel panic when booted, but worked when I start it in safe mode. It also shows as 12 GB ram. ( 4 Gb original and 8 gb new. ) How can I ...
0
votes
2answers
83 views

Can you give me buying advice of a 6970 card in a 27" iMac for just Photoshop, Lightroom, no video or games?

Thinking of buying the 27" iMac---I've given up waiting for the new desktop. Only to be used for my images, files up to 1GB, no gaming, no video production. Will the 6970 card be worth the extra ...
0
votes
1answer
46 views

Can you delete documents from the library on Mac without serious consequences for your computer?

When I checked my Mac's harddrive I noticed that it was almost completely filled with files in the category 'other'. I used mac cleaning software to see what files were taking up a lot of space and ...
0
votes
1answer
94 views

iMac 2009 works slow

iMac (model 2009, purchased in late 2012) sometimes becomes extremely slow. I've opened the "System monitor" and discovered that there is a huge lack of RAM. But as you can see there is no app ...
0
votes
1answer
55 views

Two computers to one new one using time machine

I want to transfer both my computers info to the new one. I did it, but it came out in two different places. Can I merger the two?
0
votes
1answer
300 views

iMac screen won't turn back on after a sleep session in Windows 8.1

I do a lot of hardware programming, and some of the chips I write applications for don't have IDEs and/or compilers that are compatible with anything other than windows, so I do use Windows quite ...
0
votes
1answer
365 views

iMac 27'' mid-2011 stuck on startup (grey screen)

Okay, so I'm having the dreaded grey screen on my iMac - precisely : i'm having it doing a normal startup i'm having it trying to boot from recovery partition i'm having it trying to boot for ...
0
votes
1answer
691 views

Late 2012 Imac 27'' constant beach ball loading and slow downs

I just bought myself an iMac 27'' late 2012 model. I am constantly getting beach balls and the computer slows to a crawl taking anywhere from 30 seconds to a minute to get back to regular speeds. ...
0
votes
1answer
297 views

Install modern Linux as only OS on 2006-era 32-bit EFI Intel iMac with no CD Drive, no Admin Password, no Mac Install Disk

I have been given a 2006-era 32-bit EFI Intel iMac. I would like to install some modern Linux as the only OS on it. I know there are several guides on the subject, but I have several limitations ...
0
votes
1answer
35 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 ...
0
votes
1answer
84 views

Can I change sensitivity of line input level? (as opposed to setting the volume)

I'm connecting a standard stereo tape output to an iMac line input socket. Setting input level in System Preferences > Sound > Input > Line In requires the slider to be barely "off the stop" before ...
0
votes
1answer
419 views

Boot Camp 5 drivers not installing on Windows 8 (iMac)

So I have a mid-2010 iMac 22" that I just installed Windows 8 on, but cannot get the Boot Camp 5 drivers to install. I was unaware that my mid-2010 iMac was technically unsupported for the Windows 8, ...
0
votes
1answer
669 views

iMac 2011 and WiFi 5GHz problem

I have a problem with a Wi-Fi 5GHz connection on my iMac. I configured the 5 GHz network in the network settings, but iMac doesn't discover it. Usually it is connected to the 2.4 GHz network, and ...
0
votes
1answer
163 views

Why can I no longer get an internet connection when using my old Macbook and AirPort Express?

Up until recently I was using my 2007 MacBook perfectly fine with my old AirPort Express. A few days ago I purchased a used mid-2010 iMac which is now running OS X 10.8.3 (something I'm still not too ...
0
votes
1answer
104 views

can i put this ram into my imac 21.5 mid 2010 corsair cmso8gx3m2a1333c

After installing computer wont boot up, just beeps. Uninstalled and put original 2x2gb samsung back in and computer booted up just fine.. Reinstalled the corsair and still nothing but beeping. Tried ...
0
votes
1answer
163 views

Wireless Keyboard Connection

I have the wireless bluetooth connecting keyboard for the iMac and it continues to disconnect even when the batteries are brand new. Is there anyway to enhance the bluetooth connection so that it will ...
0
votes
1answer
397 views

Did you have issues using a Microsoft 4000 keyboard with your Mac?

When I had a iMac (about 3 years ago), I tried connecting my Microsoft 4000 keyboard to it and I remember that there were some issues with key mappings. I do like Mac keyboards, but at times I like ...
0
votes
1answer
191 views

Stop iMac from sleeping when used as an external display

I have an iMac which I sometimes use as an external display for my Macbook Air. Normally, I want the iMac to go to sleep after about 30mins except when I have the Air attached. Is there any app (or ...
-1
votes
1answer
75 views

iMessage promt on iMac start up

Every time I turn my iMac desktop on, I'm prompted to sign into iMessage. Wasn't a big deal at first, but it's become a huge annoyance because I can't just click X to get rid of it, I have to go ...
-1
votes
1answer
513 views

Any difference from Apple instructions when installing Bootcamp to dual-drive iMacs?

Apple's Bootcamp instructions make no mention of how to proceed with a dual-drive iMac. Are there any differences in formatting/installation procedures involving either or both of the drives? I am new ...