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

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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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2answers
1k views

Does working in Target Disk mode hurt hardware?

I had asked a question on how to connect a MacBook Pro to an iMac such that the iMac gets control of everything and that I used RAM and CPU power of iMac instead of MacBookPro. Here is how I did it: ...
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0answers
15 views

Spinning down hard drives that are not boot drives

If I were to put an ssd in the superdrive of an early 2009 24" iMac and used this as a boot drive while keeping the hdd in it's original place and using as a storage drive, would the storage drive ...
1
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1answer
2k views

Wireless keyboard/mouse problem with iMac during start-up

I have an iMac 21.5" (late November 2010, OS X 10.6.8 with latest updates). I bought a wireless keyboard and mouse at same time. When I started up with ⇧ shift or ⌥ alt/option key down, the computer ...
1
vote
1answer
492 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 / ...
2
votes
1answer
33 views

Apple Bluetooth Keyboards and Mice

My school has 25 iMacs in a lab for students. They each have a wireless keyboard and mouse. The problem is that the keyboard or mouse will run out of batteries and the kids will just grab another ...
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0answers
17 views

After deleting a partition, iMac will only boot to a grey screen — how do I fix this?

I was deleting a partition when my iMac froze and rebooted itself. Now I can't get any further during boot than a grey screen. Things I have tried to fix this include: Booting with CMD-R (boots to ...
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3answers
5k 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 ...
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1answer
13 views

No Response to iMac keyboard or trackpad (wired or usb)

Problem: mid2011 iMac Mavericks was operating perfectly. Logged off, powered down. Next morning, powered up; system boots normally to login screen. No response to keyboard or trackpad...trackpad ...
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0answers
13 views

How to connect bluetooth magic mouse and keyboard on thunderbolt display, if they don't show up?

I used a thunderbolt cable to connect my Macbook and iMac. Pressed cmd+f2 on my iMac and the displays works perfectly. But I cannot use my bluetooth mouse and keyboard to control the Macbook.It ...
1
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1answer
21 views

How to connect Wireless Keyboard when new hdd on imac 27

I have an iMac 27 emc 2390, i just had a hdd failure, so i bought a new hdd, plug it in and then start my imac with the instal dvd in. The point is that my keyboard isn't recognize so i can't boot on ...
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2answers
28 views

Backing up networked iMacs

I have an iMac connected by wire to an external (non-Mac) hard drive which is used to store back-up images via Time Machine. I want to buy a second iMac and network the two together. As far as I ...
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0answers
16 views

Why does my iMac freezes up intermittently?

My iMac freezes up intermittently. The cursor can be moved but nothing responds. I just have to shut it down and restart. It's been doing this before and since my hard drive failed and was replaced. ...
3
votes
2answers
725 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 ...
2
votes
1answer
293 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 ...
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0answers
133 views

Finder crashes - Maverick problems

After upgrading to the Maverick version, I started having many issues that I never had before. First of all, it is very common my iMac to open in a different user (even there is no other users ...
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
544 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. ...
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vote
3answers
2k views

iMac fans stopped, what must I do?

Just a minute ago my iMac's fan stopped spinning (sound like it broke). I heared no noise coming out of it anymore and I quickly checked iStat which reported a fan rotation speed of 0 rpm (usually ...
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0answers
28 views

MS Office no longer working

After removing duplicate files, Microsoft Office 2011 for Mac will no longer start. I know the file "mbupgx.dylib" needs to be reinstated, which I tried, following the path of the error message ...
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 ...
3
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2answers
83 views

iMac wireless speed drops precipitously after extended time away

I had a correct connection to the Internet: But as of a few days ago, whenever I come back to my computer after a while and jiggle the mouse to turn off the screensaver, my internet speed plummets: ...
5
votes
1answer
149 views

What unit does the activity monitor use in the energy tab?

The activity monitor of OS X show in the energy tab the energy impact. What unit does this value use? Is it Watts? If so, 327 seems a bit high for my taste. I am running this on the low end 21" late ...
0
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1answer
23 views

Using 2010 21" iMac as second display

I have a 15" Macbook Pro, late 2010, and a 21" iMac, late 2009. Can I link the iMac and use it with the Macbook Pro as a second display? A friend may give me his desktop to use as a display. Believe ...
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votes
2answers
287 views

Can I share my iMac's internet connection via ethernet

My iMac connects to the internet (and my local network) via WiFi. Is it possible for me to connect another device via ethernet cable to my iMac to access the internet from that device?
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1answer
633 views

iCloud and Email and syncing

I am a little bit confused as to how best to setup my devices to have the best battery life and best syncing options. I have an iMac, iPad mini & iPhone 5. Currently I use Google Apps (Gmail) to ...
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2answers
29 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 ...
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3answers
37 views

just got new imac with fresh Mavericks install, old data still remaining, how to find and delete?

I just bought a 24' used iMac. The previous owner reinstalled Mavericks and sent it to me. I looked at the disk usage info and it appears as if all the old data, movies, music, and everything else, ...
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2answers
160 views

Why is my late 2013 iMac so slow?

For the last three months I have been more or less enjoying my new late 2013 21" iMac. I already have an early 2011 MBP, which is pretty maxed out with a 512GB SSD and 8 GB of RAM, and still feels ...
2
votes
2answers
100 views

2011 27'' iMac kernel panic

My iMac has been giving Kernel Panic recently. its 2011 27in iMAC, and i added 8G RAM about one and half month ago. Around 2 weeks later, the error started and i upgraded the firmware. now im ...
0
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1answer
257 views

How to merge two Mac partitions?

Recently I ran Boot Camp Assistant to install a copy of Windows 7. The "Partitioning Disk" process froze and I force quit it - I know, bad idea - and although I was left with a functioning Mac, I ...
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1answer
513 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 ...
4
votes
2answers
4k 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 ...
1
vote
1answer
574 views

Why do I have to reboot my iMac and Wacom Cintiq after sleep?

I have an iMac and a 24 inch Wacom Cintiq. When I put the iMac to sleep, it freezes and I have to restart both the iMac and the Wacom Cintiq. How can I get around this?
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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 ...
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 ...
4
votes
4answers
4k views

How to share internet connection via thunderbolt?

I have a recent iMac and will buy a new MacBook Air. And I'm finding fastest way to connect internet to the Air. Wi-Fi is still too slow and USB-Ethernet converter offers only 100-Mbit speed. But both ...
2
votes
2answers
1k 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. ...
4
votes
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, ...
2
votes
1answer
2k views

iMac USB Ports Stopped Working

I have an iMac, and because I program I prefer to use the extended USB keyboard. Just as the batteries to my wireless mouse died, my USB keyboard inexplicably stopped working. I've been using this ...
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0answers
23 views

Target Display Mode: how to automate and persist on closing laptop

I have connected my MacBook (Early 2013, OS X 10.9.4) with my iMac (Late 2012, 27 inch, OS X 10.9.4) via a ThunderBolt cable in order to use the iMac screen with my MacBook. I have two related ...
1
vote
1answer
57 views

Why does my iMac take so long to go to sleep?

Note: I have seen this question as well as this question, I don't believe that either pertain to this situation. When I press the sleep button on my iMac it consistently takes 30-31 seconds to go ...
1
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0answers
55 views

Brother HL-1440 Disappears From Mavericks

I'm using OS X 10.9.4 and I have a Brother HL-1440 that I've been using for years, even before I was using an iMac. It's been a real workhorse and doesn't show signs of failure mechanically (it's ...
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0answers
19 views

Builtin speaker disappeared from System Preference -> Sound

I am using a mid 2011 27" iMac. For some reason, after a restart, the built-in speaker disappeared from Sound in System Preference. I have rebooted a few time. Every time I can hear the startup ...
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1answer
108 views

transfer of MS office from iMac to Macbook

I recently bought a new MacBook to replace my iMac where used MS office for mac. I set up my MacBook and transferred everything over, but couldn't run office without the activation key. So i deleted ...
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2answers
260 views

On a mid-2011 iMac, how do I use Bluetooth on Windows 8?

I installed Windows 8 over a Boot Camp installation of Windows 7 on my mid-2011 iMac. By and large it's worked perfectly, UX issues notwithstanding, apart from the rather critical part of a complete ...
0
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2answers
234 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 ...
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. ...
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0answers
57 views

MacBook Pro resolution when controlled from iMac

When I hook my MacBook Pro up to my iMac with a Thunderbolt cable and basically use my iMac screen as a remote monitor, I'm able to use the full 2560 x 1440 resolution of my iMac. However, I really ...
0
votes
1answer
20 views

Remote login error: “DISPLAY is not set”

How to set up X's to be able login on your iMac remotely and run graphical applications? When I login I get this: servername:~ loginname$ xterm xterm: Xt error: Can't open display: xterm: DISPLAY ...