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

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What would I see if my iMac is running in dual channel mode? [duplicate]

I only see in Hardware overview MEMORY: 8 GB How do I know its dual channel or not?
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1answer
175 views

Does the 27-inch iMac (MC511LL/A) have a true thunderbolt port or just a mini-display port?

I'm trying to connect a thunderbolt external drive to my Mac: http://www.everymac.com/systems/apple/imac/specs/imac-core-i5-2.8-27-inch-aluminum-mid-2010-specs.html However, the disk is not being ...
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1answer
322 views

Difference in disk usage MS DOS vs Extended Journaled

Searches on Google and the Apple forums didn't get me any answers or couldn't clarify this for me, hence this question. I have two following external USB hard drives connected to my iMac: "Lacie1" ...
2
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2answers
381 views

How do i clean inside of my iMac?

I want to clean the inside of my iMac. The mac : iMac Mid-2007 How do i clean the dust from inside or clean inside of it. Basically im saying how do I open the mac?
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0answers
95 views

iMAC 20-inch - Early 2008 - Brightness automatically dims, no settings to prevent this

My display automatically dims itself after a while and it's really annoying. Of course I tried to search for a solution, but I've got no options like the answers say. They mention "Energy Saver", and ...
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0answers
125 views

Windows 7 Bootcamp Video Driver Issues

I installed Windows 7 32-Bit on my iMac a while ago and im experiencing some video driver issues. I basically use bootcamp for my gaming and stuff. I installed Grand Theft Auto IV on it with the patch ...
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0answers
97 views

iMAC Late 2009 - Only boots in Safe Mode

iMAC Late 2009 - Gets stuck on Grey Screen with Apple Logo. Only way to boot it is in Safe Mode Ran Apple Hardware Test (Extended) - Came out Clean Did Hard Drive Verify - No Issues I have Reset ...
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1answer
223 views

Why doesn't MiniDisplay out work with Thunderbolt-only Target Display Mode iMacs?

I realize this is kind of an AnandTech-fu level question. Technically speaking, why doesn't a Thunderbolt iMac work in Target Display Mode with a computer that only has MiniDisplay out? That is, ...
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1answer
478 views

iMac with Mavericks sometimes won't sleep

My mid 2012 iMac 27" with Mavericks sometimes won't sleep. Its screen is light up in the morning and I'm still logged in. Energy settings: pmset shows: Last login: Wed Jan 22 23:08:58 on ttys000 ...
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1answer
94 views

How do I stop my Excel spreadsheets from opening when starting my IMac and also the first time I open Excel?

When I first turn on my IMac each day, it opens all of my Excel spreadsheets, including ones that were not used previously. (Using Microsoft Office Mac 2011) When it gets to one that is passworded, ...
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1answer
67 views

apple imac 2008 BootCamp

i have a 2011 imac downstairs in my house and i created a usb windows 7 install on that and when i plug it in it notices it as an install disk however when i plug it into my imac 2008 and click insall ...
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1answer
306 views

iPhoto 9.5.1 update

I have been trying to update iPhoto through App Store on my iMac, but I constantly fail. It always downloads the whole package - 1.15GB, then it does its mumbo jumbo, but everytime it looks promising, ...
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1answer
213 views

Sourcing a replacement graphics card for an iMac

I have a Early-2009 2.93 GHz 24" iMac, which has a faulty graphics card. I'm keen to try replacing it myself using this excellent guide. Unfortunately the guide doesn't mention any advice on ...
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0answers
93 views

Can I use an external enclosure for an iMac superdrive?

I have replaced my imac (27", late 2009) superdrive by a SSD. I would like to put my superdrive in an external enclosure. There is a lot of such enclosures around ...
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2answers
336 views

Maverick's installation: Can i install Mavericks on a non-case-sensitive partition?

I'm trying to install photoshop on my iMac but it looks like I can't install Mavericks if I have a case-sensitive partition. Is it a known bug? Can I do anything to fix it?
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1answer
148 views

How do i disable launchpad animation on mac?

I want to disable the animation when I open Launchpad on a Mac. Is there any way? I somehow lag out when using Launchpad, is there any fix to it?
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2answers
13k views

How do I boot into Internet Recovery on a iMac?

i have this problem i tap on COMMAND+OPTION+R and I want to boot into Internet Recovery on a iMac and for some reason it just continues the screen and boots onto OS X Utilities. Someone help me?
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1answer
61 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.
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1answer
684 views

How can I go back to Mountain Lion from Mavericks [duplicate]

My question it simple: How can I go back to Mountain Lion from Mavericks? My iMac (late 2010, Processor 3.4 GHz Core i7, Memory 8GB 1333 MHz DDR3) became EXTREMELY slow with Mavericks - It was great ...
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2answers
90 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 ...
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1answer
69 views

Setting Up Raid iMac

I have one lacie 2big thunderbolt 4th unit setup as raid 1. I want to add a lacie 2big thunderbolt 4th unit. How do I get it set up so the entire unit 1 is mirrored onto unit 2(Raid1)?
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1answer
97 views

iMac behaves inconsistently when waking from long periods of inactivity

I have a late 2012 model iMac with OS X Mavericks installed. When I go to wake the iMac after a long period of inactivity (2 days for example) it behaves in one of two ways: Sometimes the iMac wakes ...
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0answers
147 views

External Bluetooth 4.0 dongle on 2009 iMac

I have a late 2009 iMac and I am developing a BLE app for iOS. At this point of time I don't have an iPhone or an iPad either to test the app on, so I have to user the simulator for the same. My ...
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1answer
1k views

Can I upgrade the Radeon Pro graphics card in my iMac early-2008?

I have a 20″ early-2008 iMac with Radeon Pro (256 MB) and I wish to upgrade it. Are there any suitable (and more powerful) replacements for it (the video card)?
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1answer
44 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 ...
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1answer
188 views

Screensaver after morning wake

I would like the screen saver (which shows family photos) to launch each morning when the computer wakes in the morning. I used the Energy Saver option to sleep the computer each night and to wake it ...
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3answers
30k views

iMac: update OS X from 10.5.8 to 10.6 (and beyond)

A friend of mine has a desktop Apple computer (I googled Apple computer images and it looks like an iMac). He has Mac OS X version 10.5.8. When we tried to upgrade it the OS reported that there are no ...
0
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1answer
55 views

how to keep two iMac's in different locations completely synchronized [duplicate]

I alternatively live in two different places, a few month in Europe and then a few months in Asia. In both places I have an iMac with OSX version 10.8.5 I started by copying the complete content of ...
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1answer
611 views

Upgrade from Mountain Lion to Mavericks and my iMac got slower

I imagine I am not the first one to notice this problem, but unfortunately the update of Mavericks so far have not even addressed this issue. I have a late 2011 iMac, and while the transition from ...
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1answer
24 views

Drive Genius 3 Demo does not have a menu. How do I uninstall it on my iMac? [duplicate]

I have the Drive Genius 3 demo and it does not have a menu or an Uninstall. How do I delete the demo version of Drive Genius 3?
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2answers
40 views

Deleting files requires password and doesn't increase free space [duplicate]

I've been using my Mac for around 2 years, and 3 years overall with uni. I keep deleting files. When I do this, it comes up asking me to confirm my password that would normally come up after logging ...
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1answer
485 views

Sharing screens/monitor between Asus Laptop and iMac

I have the following equipment: An iMac 27" (mid-2011 windows 8 BOOTCAMP with 2 thunderbolt port and 1 miniDisplayPort) An ASUS ROG laptop (with 1x VGA port/Mini D-sub 15-pin for external monitor / ...
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1answer
1k 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?
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1answer
839 views

Strange behaviour of Target Display Mode with iMac, Mac mini and Thunderbolt display

I bought a 27" iMac and hooked it up to my Thunderbolt display. The iMac is also thunderbolted to my Mac mini. When I press meta-(fn-)F2, the following happens: The iMac screen goes dark. The ...
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4answers
564 views

iMac slow and unresponsive after Mavericks

There have been a few questions and answers about memory usage, whether one should pay attention to the Activity Monitor, that Memory Pressure is more indicative of a system being maxed out on RAM, ...
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1answer
123 views

Ideal iMac For programming (and some photoshop) [closed]

I am going to get a 21.5" iMac. It will primarily be used for Android, iOS, and web development, but may occasionally be used for some photoshop. Any other uses I have for it will be insignificant ...
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10answers
1k 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. ...
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1answer
53 views

Facebook causes iMac to become unresponsive

I noticed that when my iMac's display goes to sleep while Safari is showing Facebook (i.e. Safari is the current active app and its active tab is Facebook.com) I am unable to turn the display back on. ...
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0answers
649 views

Magic Mouse Gesture not working OS X Mavericks

I am using Magic Mouse with my iMac having OS X Mavericks 10.9. Everything was working fine since today morning, I realized that my magic mouse is only responding to scrolling and primary, secondary ...
1
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1answer
856 views

No sound from headphones under ubuntu 13.10

I have a fresh ubuntu on iMac. I have managed to set up the sound from the native speakers, however, there is still no sound from the headphones. I have disabled automute in alsamixer, but this didn't ...
0
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1answer
207 views

iMac's Built-in microphone doesn't work on Windows 7

I have an iMac on which i have installed Windows 7 32-bit. I have used Bootcamp version 4.0.4033. I have done it with the Apple tech support person. My built-in microphone doesn't work in Windows. I ...
0
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1answer
26 views

iMac (without network connection) had a date in the year 2000 after rebooting

I was having problems with USB devices, so I rebooted my iMac (late 2009 model running OS X 10.7.5). Before rebooting, I turned off wifi. When I logged in again, System Preferences showed the date set ...
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1answer
80 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 ...
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1answer
152 views

Mavericks in Appstore twice?

I bought my iMac a month ago and it was already set up correctly. I had to run an update on Mavericks and that was it.. After a while "OS X Mavericks" appeared on the App Store, and i can download ...
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2answers
2k views

Notifications stopped working for Messages (Mavericks)

I'm using a 27" iMac with Mavericks. About 2 weeks ago, Messages stop creating notifications whenever I received a message from someone. I used to get a notification in the upper right corner of the ...
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2answers
544 views

how do I set my HD to be case-sensitive

I am running on OSX Maverick. I just realized that my machine is case insensitive. How do I reset my HD to be case-sensitive?
1
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1answer
369 views

Two systems and SSD lifetime increase

I bought a Late 2013 iMac with new generation PCIe Samsung XP941 M.2 based SSD 256Gb. Really powerful SSD. But of course, I was scared about SSD rewrite cycles and wanted to check it because I want to ...
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5answers
7k 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 ...
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4answers
353 views

How to make iMac lock itself if left for 2 minutes?

So users need to insert password to login to my iMac
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1answer
244 views

Can I use an iMac as an external monitor if not booting up the OS?

My 2012 iMac was in a room with room temperature of about 39 C, and now the hard drive seems to be not working well, taking 5 minutes to launch an app. If I boot up Win 7 using bootcamp, Win 7 ...