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

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8 views

What does this error message mean? The iMac just restarted itself [duplicate]

Anonymous UUID: BA94AC5C-A21D-7A27-8D88-E5FDB68C5FFF Sun Sep 20 10:05:13 2015 *** Panic Report *** panic(cpu 6 caller 0xffffff801cc02617): "m_free: freeing an already freed mbuf"@/SourceCache/...
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0answers
114 views

Is real hibernation possible on OS X? (mac mini/imac, not laptops)

I am looking for a real hibernation feature. Feature-wise I would like to be able to do both of the following: take a 15 minute break from work and take up when I left off without waiting longer ...
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1answer
1k views

How to use an old iMac as an external display for a MacBook via wifi?

There have been several questions how to connect a (new) MacBook to an (old) iMac so the latter will work as a second, bigger display for the former, but all were assuming a hardware connection, i.e. ...
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1answer
28 views

Dialup on 2009 iMac

I'm going to see a family friend who's been having trouble with her decade old Windows machine. I have an old iMac laying around and I thought I would set her up with it. The only thing is, she lives ...
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0answers
16 views

iMac will not save anything. Not files or changes in settings.

Any changes that I make display, key chain i.e. , documents spread sheets etc are erased when I log off and reboot. I recently acquired my computer.
9
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3answers
337 views

Harmful to never put to sleep / shut down a mac?

Is it harmful for a mac in any way to never put it to sleep, or to turn it off? I have a macbook air and an iMac that I set to never sleep in the settings. Only the displays go to sleep. I turn them ...
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0answers
152 views

iMac startup manager not displaying

I have an iMac 27" from late 2009 and I'm trying to fix it but everything I've tried thus far doesn't help. I don't have an Apple keyboard but a normal keyboard should work as well. When turning the ...
1
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1answer
228 views

iMac 8,1: where to put thermal sensor after SSD installation

I'm installing an SSD in an early 2008 iMac (8,1) which has a thermal sensor taped to the current hard drive. After reading nearly twenty threads on the subject I'm having difficulty determining what ...
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0answers
41 views

iMac with USB Headset: Sound Output suddenly turned off when under high load

I own an iMac late 2014 with OSX 10.10.5 and I usually use an USB headset for both in- and output. Now when the iMac is under heavier pressure for a longer time (the fan is pretty loud), the output ...
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1answer
1k views

Can I use an iMac in target display mode with an Apple TV?

Target display mode appears to require a <4K ThunderBolt or DisplayPort connection. Apple TVs exclusively use HDMI output, but Apple sells ThunderBolt to HDMI adapters. I was wondering if it would ...
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1answer
37 views

Printer connected to Mac only works if other Mac is turned on

I have an old iMac G5 with Mac OS X 10.5 (Leopard) and a Canon PIXMA MG5350 printer. It prints without a problem on the old G5. I think the printer is connected via bluetooth. And now I also have an ...
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1answer
569 views

Using iMac 27" for displaying HDMI output

I have an HD satellite box which I previously connected to my old PC. I am interested in using my new iMac 27" 5K as a monitor for its output. I did go through the various answers available, but some ...
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1answer
24 views

iMac screen froze while in use, shutdown, restarted, got worse

iMac (approx 7-8 yrs old) Screen froze while in use. Shut down for 10 mins. Restarted, graphics came on distorted. Apple logo in the middle of screen with small broken lines and specks all over the ...
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0answers
2k views

How do I fix “Your Disk Could Not Be Partitioned” isssue with BootCamp Assistant?

I'm Alex and I'm attempting to install Windows 10 on my iMac 27" (2012) with 3TB+128GB Fusion Drive, but during install procedure I get the same error "Your Disk Could Not Be Partitioned" without any ...
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2answers
3k views

iMac freezes complete, except mouse pointer. What can I do?

Recently, I've notice a strange behavior on my iMac (Yosemite 10.10.4, Late 2009). Everything freezes completely - it's totally unresponsive. HOWEVER, the I can continue to control the mouse pointer ...
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1answer
143 views

Late 2012 iMac not seeing Bootcamp 6 update

I would like to install Windows 10 and use Bootcamp 6 to do so on a 2012 iMac. According to Apple's documentation, this should have appeared and been installed by software update. When I check my ...
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4answers
457 views

How to extract files from a broken non-bootable OS X without reinstalling OS X?

What can I download/install onto a USB drive, have it boot off that USB drive and then copy the files I need to another USB flash drive? The error message I get when booting is "Missing Operating ...
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0answers
450 views

Installing Windows 10 Bootcamp on 27 iMac (2015): USB 3.0 problem

I'm trying to install Windows 10 on my iMac. I've gotten to the part where Windows setup asks for the bootcamp drivers, before Windows is installed ("Collecting information"). I've tried having the ...
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1answer
190 views

Is lowering my ODD fan speed dangerous after installing and SSD?

I've just installed a new SSD in my mid 2010 27" iMac. I put it in place of the disk drive (ODD) so now there is no optical disc drive in my computer. After I did the installation I noticed that the ...
1
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1answer
21 views

24" imac from 2008 as a monitor for macbook pro

The iMac does only have a mini displayport output. And it does it not have target mode, but if I upgrade my iMac's OS to X Yosemite, will target mode come with it? If so, Will I at that point be able ...
0
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1answer
50 views

How to remove windows partition without having to erase the other one?

I have an imac late 2013 with a fusion drive. I've created a windows 10 partition and I'd like to delete it. I tried with bootcamp and disk utility but as you've probably heard before, it came up with ...
2
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1answer
143 views

How do I wipe the hd on an old iMac that is pretty well bricked?

I have an old iMac that I got probably sometime in 2000. It's the kind that has a big old CRT monitor built into it, so I dare not take it apart myself. I haven't used it in a very long time, but it ...
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1answer
453 views

Can I move Mobile Sync folder to another HD

Can I move my MobileSync folder to another HD on my iMac to free up space on my startup HD?
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2answers
285 views

How can I keep my Mac from restarting?

I'm about to download a 1TB collection of files. It'll take about 7 days. I want to make sure that my computer doesn't shut down or restart while the download is happening.
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0answers
68 views

Keep screen off while moving mouse/clicking etc. (iMac)

Usually, with my macbook pro i can turn off the screen by setting the brightness to 0 and keep it off even if i move the mouse or do anything else (usually doing something with applescript). Now that ...
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0answers
35 views

Using Yosemite installer from iMac with new SSD for MBP, will it work?

The SSD that I installed myself about 1-2 years ago went psycho, and I had to connect it to my iMac for getting through and erasing everything on it. I remember that the whole switch was a bit ...
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0answers
62 views

iMac only connects to wifi when very close to router

I have an iMac 4,1 (plastic case, released early 2006). The wifi only works when the iMac is very close to the router. When I use my MacBook in the same room, it can see multiple wifi networks; the ...
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2answers
228 views

Type of SSD for iMac 21.5" (mid 2011)

I have heard that a specific type of SSD is required if you want to use an SSD in an iMac 21.5" (mid 2011). Which type of SSD would this be?
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1answer
136 views

How to block certain IP/Mac Addresses from accessing my AirPort on my 2009 iMac?

I have a 2009 iMac running OS X 10.6.8. I would like to filter certain IP/MAC addresses from accessing my WiFi via "Internet Sharing". I have already set a password, but I would still like to filter ...
0
votes
2answers
498 views

How to downgrade to OS Mavericks 10.9.5 from a new pre-installed Yosemite 10.10.1 iMac late 2013?

I need to downgrade to OS Mavericks 10.9.5 from a new pre-installed Yosemite 10.10.1 iMac late 2013, can you help me out? Is it possible considering Yosemite was pre-installed?!
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0answers
226 views

Why Microsoft RDP's “native resolution” on iMac 5K is 2048x1152?

When I run Microsoft's Remote Desktop at the "native resolution" on iMac 5k, it resolution is set at 2048x1152. Where does this come from? This is such a weird combination and doesn't result in ...
2
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1answer
962 views

Native 5k resolution in Windows 10 on retina iMac

Is it possible to run the native 5k resolution on my retina iMac when using the official Windows 10 bootcamp? Right now, it seems to be capped at 4k. I have the 4.0 GHz i7 with the m295x GPU.
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0answers
20 views

Odd retina iMac issues, hardware related

In the last few days I've had an odd combo of hardware issues on a rImac running 10.10.5. Haven't installed anything new but the most recent update; had been working fine before. Sometimes a USB ...
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0answers
32 views

Black screen when logging out a user

I've seen people asking about black screens on login, but never one on logout. I had several users logged in, and logged one out (using CMD+SHIFT+Q, if that matters). After a second or two, the ...
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votes
3answers
499 views

Backup/Time Machine solution for an office full of iMacs?

In our office we have ~8+ or so iMacs. Currently we're backing up to individual hard-drives via TimeMachine. We're looking at creating a more stable backup solution, one that is kept away from the ...
1
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1answer
292 views

Use old iMac G5 as external Mavericks-style display

I currently have a Mid-2010 iMac (Intel i3 3.06 GHz) running OS X 10.11 "El Capitan" and a really old 17-inch Mid-2005 iMac G5 (PowerPC G5 2GHz) running OS X 10.4.11 "Tiger". I would like to know if ...
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2answers
1k views

Why can't I boot to Disk Utility (iMac A1418) - It displays a lock and a password field?

Someone showed me their iMac that they recently bought second-hand. It boots normally to the login screen with the PIN (EDIT: it is a PIN and NOT a passcode; the message reads "Enter your system lock ...
2
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1answer
51 views

Make iMac remember monitor positions after restart

I have an iMac with the following specs: I have 2 20'' hp monitors that are always connected to my Mac. They are connected with 2 DisplayLink USB to VGA adapters. I keep the monitors positioned ...
2
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0answers
497 views

Airport Extreme (5th gen) throttling ethernet internet speeds

I purchased the router in 2012, and am experiencing slower speeds than expected from my Airport Extreme. Brand new 16x4 channel DOCsis3 modem on Time Warner's approved list. 200 Mbps plan, and ...
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0answers
33 views

Hard drive fan making a rhythmic high pitched noise? (Late 2006 17" iMac)

identifier - iMac5,1 I've had this issue going on for a bit and I've gotten used to it, but I'm really wondering what it is. So, the hard drive fan in my iMac makes this constant high pitched noise ...
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0answers
29 views

Installed Yosemite, now have audio issues

I have searched but nothing covers my actual issue. See the pictures.. For some reason I have soundFlower in my audio selections but I never installed it and I have no clue how to get back o the ...
1
vote
1answer
6k views

Windows 10 installation using Boot Camp crashes in iMac with 'system thread exception not handled (igdkmd64.sys)'

I've installed Windows 10 Pro in my iMac using Boot Camp but when the computer is on for 3-5 minutes, it crashes and shows BSOD with the error 'SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (igdkmd64.sys)'. I'...
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0answers
86 views

Trouble with FaceTime Connection only between macs

I have noticed problems while facetiming with a friend. We have connection troubles when we use Facetime with our Macs (newest iMac models). The macs are both connected to ethernet and we both have a ...
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1answer
29 views

Purchasing an iMac: when is the entry-level model insufficient? [closed]

We're looking at iMacs for my girlfriend, and I was wondering: would the entry-level model be sufficient? When looking at Windows desktops, I tend to suggest a model a few levels above an entry-level ...
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0answers
92 views

iMAC MC508LL/A new hard drive, cannot install from disc

I was trying to repair a friends iMac with a failed hard disc. I bought a 500GB 850Evo SSD to replace the failed hard disc and installed it using the OWC kit. Now I am trying to get it started up. I ...
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1answer
375 views

Use iMac 27" in Target Display Mode with Raspberry Pi

I have this little box called the Kanex XD HDMI to Mini-Displayport converter. It works perfectly with a lot of machines (tried it with a Macbook, PS4 and Xbox 360), but some devices don't seem to be ...
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1answer
184 views

iMac 27" Different Graphic Processors

Just for my curiosity and knowledge, from a software and hardware standpoint, in reference to the iMac 27" graphic processor brand, what are the difference between: The NVIDIA GeForce GT 755M with ...
0
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1answer
321 views

Restarting or resetting diplay and/or GPU without logging out or rebooting?

I have a 2011 iMac 27" running Yosemite. Is there a way to restart the monitor and/or GPU without rebooting the computer or logging off? Is there some sort of keyboard shortcut or keystroke? I ask ...
0
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1answer
171 views

Does my late 2012 iMac 21" support fusion drives?

Back in June 2013 I bought an 21" iMac with a standard 1TB HDD. By now OWC offers upgrades for these machines in the form of an SSD expansion board, which can be used to form a fusion drive with the ...
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0answers
158 views

Removing stand for iMac 24" 2008 Model

From my understanding all 24" iMac models have removable stands so that Vesa mounts can be fitted. Insert a card behind the stand you are meant to be able to get a latch to release to reveal some ...