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

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12
votes
6answers
44k 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 ...
10
votes
5answers
10k views

ntpd not updating time

I had updated my old iMac to Mavericks just fine. I then bought a new (certified refurbished, actually) iMac and migrated everything over from a Time Machine backup. The new iMac's clock loses ...
6
votes
3answers
14k views

Install OS X in VirtualBox on iMac?

Is it possible to install OS X 10.6 Snow Leopard in VirtualBox on an iMac (i3) running OS X 10.6.8? I have the 10.6 install CD, DMG, and ISO, but can't get any of them to boot from VirtualBox.
1
vote
2answers
1k views

iMac crashes after upgrade to OS X Mavericks

We have an iMac and after upgrading to OS X Mavericks. We have been been experiencing random shutdowns - below is the error report. I would be really grateful if someone could point me in the right ...
8
votes
2answers
7k views

Can I get sound out of both iMac and attached Thunderbolt Display?

I have a dual monitor setup (iMac + Thunderbolt Display). The System Preferences > Sound > Output setup only allows me to choose between one or the other monitor. This causes the sound to come only ...
0
votes
3answers
4k views

iMac not logging probably due to keychains problem

iMac OS X Lion. I have 2 accounts with password. On the first account, I was messing up the keychains thing. If I recall correctly, I think I deleted all private keys I had and added exported keys ...
5
votes
1answer
2k views

How can I check to see if my Mac is running in dual channel mode?

I've just upgraded my iMac's memory with a new 2x8GB kit: Although I know this "should" be dual channel (as both banks have the same amount of RAM), I'd like to know for sure. How can I check?
3
votes
2answers
688 views

Enable HiDPI on 23" iMac?

I have a 23" iMac running Lion (10.7.3). I've checked that the "Enable HiDPI display modes" checkbox is enabled in "Quartz Debug" (it was checked the first time I opened it), but there are no HiDPI ...
2
votes
2answers
2k views

iMac going in and out of sleep every few seconds

If I put my iMac (2011, i7) to sleep, it'll wake up after 5 seconds, then go back to sleep after a few seconds, and repeat constantly. The only way to stop it is to restart. This seems to be happening ...
2
votes
3answers
2k views

What is the point with iMac + SSD?

The newly released iMac can be built with an optional 256 GB SSD. To complement this, the new iMac's also contains the Intel Z68 chipset: Z68 mproves performance by putting files that are ...
1
vote
2answers
6k views

2012 27″ iMac fan starts running at high speed when shut down and won't stop

My 2012 27″ iMac is working quite well, even the fan doesn't behave strange as along as the computer is running or is in sleep mode. But it becomes strange when I shut down the Mac, because when the ...
1
vote
2answers
306 views

Can an 2009 iMac have an odd total amount of RAM?

I have an iMac 20-inch early 2009 model. There is 2 GB of RAM (2 x 1 GB sticks). Can I upgrade the amount of memory to 3 GB, replacing just one of the two RAM sticks?
0
votes
2answers
738 views

Two older Macs (G3 / Intel) need their drives erased. No install discs

I have two older Macs in which I want to erase the hard drive. Secure-erase is a plus, but not a show-stopper at this point. I don't have any Mac OS X discs so I can't use disc utility. What I'd ...
0
votes
1answer
485 views

Access and control home office network, iMacs, and XServes

I have a home office network comprised of: 1 Time Capsule 2 27" iMacs with dual cores running Mac OS X 10.6.8 2 XServes each with 2 quad cores running Max OS X Server 10.6.8 I use the ...
0
votes
1answer
500 views

How much RAM can a 2007 iMac hold?

The box says I can add up to 3 GB (for a total of 4GB), but is this restriction hardware based, or because of the operating system? If I upgrade to OS X 10.6 or higher, can I increase the RAM to 8 GB ...
0
votes
2answers
2k views

How do I replace the hard drive in my circa 2008 iMac?

My circa 2008 iMac hung up today and wouldn't reboot -- it just hung on boot with the Apple logo and the spinner. I booted the Snow Leopard DVD and ran Disk Utility on the drive. It told me the drive ...
11
votes
4answers
8k views

How do I stop my computer name from automatically, and incorrectly, changing?

Ever since I upgraded my 2009 iMac to Mavericks, I often get a message stating 'The name of your computer "Foo" is already in use on this network. The name has been changed to "Foo (2)".'. The number ...
5
votes
1answer
3k views

Using iMac as Mac Pro display

I currently have a iMac (27-inch, Late 2009, 3.06 GHz Intel Core 2 Duo) which I would like to use as display for a new Mac Pro. How do I do that?
4
votes
10answers
2k views

What is wrong with my iMac? (video corruption, unstable)

I have a 24" Early 2009 iMac. During "intensive" use (such as Photoshop, WebGL, etc.), the system starts to become very unstable, resulting in bizarre graphics corruption and other weird behaviour. ...
4
votes
3answers
2k views

How can I download something with display turned off (Ctrl+Shift+Eject)?

In Lion I could just press Ctrl+Shift+Eject to turn off display on iMac. In Mountain Lion it looks like this shortcut turns off whole computer. It looks like sleeping mode. So my downloads stop when ...
11
votes
6answers
9k views

Can 'Find My Mac' work while the computer is sleeping?

Is the 'Find My Mac' feature of iCloud supposed to work while the computer is sleeping? I use this feature to check on things every once in a while, as well as show the feature off to other people. ...
8
votes
5answers
748 views

External hard drive seems to block applications randomly

Since updating to OSX Lion on my late 2009 iMac, I have noticed some strange behaviour while using my computer. Every hour or so (I'm not actually sure about this pattern), the application that I am ...
8
votes
3answers
798 views

Control iMac and LED Cinema Display Brightness Simultaneously

I have a iMac 27'' and a LED Cinema Display 27'' connected to it. And I've noticed that to be able to control brightness I need to open the Display.prefPanel and modify the brightness of the displays ...
7
votes
4answers
17k views

Can I use my Macbook Pro Retina as extra monitor for my iMac through Thunderbolt

I just bought a new late 2013 iMac and a new late 2013 Macbook Pro retina. Also bought an Apple thunderbolt cable. Pressing CMD+F2 (enabling Apples "Target Display Mode") on my iMac lets me use the ...
6
votes
2answers
3k views

Can my Thunderbolt Macbook Air drive my Mini DisplayPort iMac as an external display?

I've run an iMac as an external display for a Mac laptop before, but am wondering if my new setup can work like that. I have: 2011 Macbook Air with Thunderbolt 2009 iMac with Mini DisplayPort mini ...
5
votes
5answers
17k views

Can I share my iMac's internet access to iPhone via USB?

I have an iMac, connected to the Internet via Ethernet, and an iPhone 4. I would like to share the iMac's Internet connection to my iPhone via the USB Cable (because my wife dreams of a wifi-less ...
5
votes
1answer
1k views

Mixing memory sizes

I'm looking at upgrading the memory in my mid-2011 iMac. Is there any problem with sticking in 2 4GB modules alongside the existing 2GB modules?
4
votes
2answers
21k 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 ...
4
votes
1answer
117 views

How to save a file quickly and no need to wait for the external hard drives to “wake up”?

Recently I have decided that since Mac does such a nice job for indexing the files, I will store many files on the Mac, so I bought a 6TB Thunderbolt external drive which is in RAID 0 Strip mode, and ...
4
votes
2answers
8k views

Using an iMac as a monitor for a mac mini

I currently have an old 21 inch iMac that won't run Lion because it doesn't have a 64 bit chip. Other than that it works absolutely fine. I am however a part time developer and so I really need to ...
2
votes
1answer
321 views

Disable second monitor

The problem I have a 2008 iMac running OS X 10.7 with its mini-DVI output port connected to an second monitor via a DVI-D adapter. It's nice having a second monitor, but it's sometimes superfluous ...
1
vote
2answers
12k views

Usign iMac as a Display for MacBook Pro

I did some research on this and they were saying Press Command+F2 So did I ! But here are the issues I saw with this method: The youtube video that was previously running on iMac continued to run, I ...
14
votes
2answers
4k views

How can I disable the 2nd hard drive in my 27" iMac?

I have an 2010 27" iMac with an SSD and a regular hard drive. Now that I've been using the machine for some time and have not come close to filling the SSD, I'd like to disable the spinning hard drive ...
6
votes
4answers
941 views

What are the main difficulties people face migrating from Linux to Mac OS?

Coming from a Linux background what are the main difficulties I will face if I start to work on iMac? I use to work on Linux with consoles and I know I have a huge apps repository (synaptics) for ...
5
votes
3answers
17k views

What can be done to fix a 2011 iMac that will not boot past the white screen?

I have now tried opening the iMac and removing the cables to the SSD, it still gets stuck on the white screen. I tried again, removing the cables to the HDD as well and the same thing occurs. No idea ...
5
votes
1answer
660 views

What's the easiest way to free up disk space on my iMac with a huge photo library?

This is a hybrid hardware/software question with a few more factors than the typical "freeing disk space" question. I have an older iMac with (I think) about a 250 GB hard drive. It's been running ...
5
votes
4answers
386 views

Console + iMac 27" 2011 External Display

Can i use the iMac 27" mid 2011 as an external display for, let's say, a Playstation 3? Is this possible for the latest iMac?
4
votes
4answers
20k views

Is it ok to mix 2 GB and 4 GB DIMMS in an iMac (mid 2011)?

I've been told it is important to use matching DIMMs when installing memory to take advantage of the 128 bit throughput. I'm looking to buy a new 27" iMac (mid 2011) which has 4 memory slots. If I put ...
3
votes
1answer
424 views

iMac will not boot

An office iMac will not boot - it sits at the gray startup screen with the progress circle spinning continuously. I have tried: Booting in safe mode (same result) Booting in recovery mode (same ...
3
votes
4answers
706 views

Cursor as full screen crosshairs

I have a 27" iMac running Snow Leopard. In a wide range of applications I often need to use a straight edge to compare different values on charts, even sometimes charts generated by different ...
3
votes
2answers
348 views

How can I operate 2 XServes and 2 iMacs from 1 keyboard and 1 mouse (both bluetooth)?

I have 2 Xserves and 2 iMacs. I would like to control them with 1 Apple wireless keyboard and one Apple Magic Mouse. I have seen a device from IOGear a Bluetooth 2.1 USB Micro Adapter, which made ...
3
votes
3answers
11k views

How should different sized RAM be added to iMac?

I have a mid-2011 iMac which came with 4GB RAM (2x2GB). I just bought 8 GB (2x4GB) and added it to get a total of 12GB. The current configuration is as follows: Given that the RAM is a different ...
3
votes
5answers
11k views

Is it possible to use an iMac's screen as a second monitor?

Is it possible to use an iMac (early 2008 model) as a second monitor (note: not with a second monitor)? I have a Windows 7 laptop (for work) and when working at home it would be nice if I could ...
2
votes
2answers
137 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
1answer
6k views

Which SSD Thunderbolt Product For Main Boot Drive for my iMac?

So I have a 2012 iMac. I got the base model 21.5" which means I have a painfully slow 5400 RPM hard drive. The pure SSD option would have cost $1,300 ($1 more than the $1,299 base price) if I could ...
2
votes
4answers
3k views

Can I direct the audio signal from Apple TV?

I have the following equipment: I have all my music files stored in iTunes on the pictured iMac. When I play music it follows a path from the iMac through the Time Capsule to the Airport Express. ...
2
votes
1answer
573 views

Display external video on iMac

I am considering purchasing an iMac. Our office situation is such that the new computer will be placed where a monitor is presently located for a Windows laptop connected via a docking station. Is it ...
1
vote
0answers
66 views

Why Can't I Make a Macally G-S350SUAB2 Boot Family's iMac?

I can't seem to be able to get the Macally G-S350SUAB2 enclosure that my dad loaned me for development use to boot a copy of OS X 10.9.4 Mavericks which I installed using my dad's early- or late-2011 ...
1
vote
1answer
117 views

Best version of OSX for 2008 iMac?

(This is a follow-up to How to improve old, slow iMac -- new SSD? Or more RAM?) I replace the HD on our old 2008 iMac 8,1 with an SSD, and it seems much faster. However, it WAS running 10.9; now it's ...
1
vote
1answer
939 views

How to improve old, slow iMac — new SSD? Or more RAM?

I have an old iMac for the kids: iMac 8,1 Core2 Duo with 3GB (2+1) RAM that was recently upgraded it to Mavericks 10.9 It's running quite slow; free RAM is always pretty low. Apps run "OK" once ...