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

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3answers
15k views

How to run Apple Hardware Test on older Mac

I have replaced original hard drive to samsung SSD and upgraded memory too. I have now installed El Capitan and want to run Apple Hardware Test. I have already tried 'D' , Option + 'D' both didn't do ...
1
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0answers
32 views

Boot iMac from Macbook

The new MacBooks are the best But their processors are pretty anemic. Not a big deal when I'm out and about, but not great for serious work. What I'd like to do: Get an iMac with decent specs, ...
1
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0answers
2k views

Memory problem after upgrade to El Capitan

I have an iMac 27 inch ( Late 2013 ) system.It has 8 GB RAM. Today i upgraded to El Captain from Yosemite. El Captain installed successfully. Now it is showing 4 GB Memory. I dont know what happen to ...
0
votes
1answer
133 views

My SSD seems slow, could it be the link speed?

I just replaced my old HD from a late-2009 iMac with a new Samsung SSD 850 EVO 1TB. It was installed by an official Apple repair store but I am worried because it seems slower than my new macboook ...
0
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0answers
90 views

Whirring/whining noise but only after sleep

I have a mid-2011 21.5" iMac. OS X Yosemite 10.10.5, 2.5 GHz i5, 20 GB RAM. About a week ago (coinciding with no significant update or other event that I can think of) it began making a whirring/...
0
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1answer
78 views

Realtime SCART input with audio on an iMac

I was just wondering if there's any hardware I could purchase which would allow me to basically use my iMac as a television, for analogue signals mainly as I can already watch digital content on it ...
1
vote
2answers
2k views

El Capitan gives me a kernel panic error right after installing

Almost immediately after the installation reboot, and seconds after the apple logo appears the following error shows up; panic(cpu 0 caller 0xffffff8017d263a6) : "zone_init;kmem_suballoc failed"@/...
1
vote
1answer
23 views

Is reinstalling Mavericks possible via recovery mode with two HDs and without a backup?

I can't get my iMac working and I don't have a backup. If I choose to reinstall Mavericks or Lion (it shipped with Lion, I upgraded to Mavericks) will that wipe over the core HD? I got core HD 350 ...
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2answers
428 views

Transfer iTunes library and music to external hard drive

I have an iMac running OS X Yosemite 10.10.5, with iTunes 12.3. I want to transfer my music to an external hard drive, but here is the difference: I don't want to transfer it to another computer. I ...
3
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0answers
2k views

Repeated crash errors following El Capitan Upgrade

I upgraded to El Capitan and I keep getting repeated crash errors for the following: Process: com.apple.geod [803] Path: /System/Library/PrivateFrameworks/GeoServices.framework/Versions/...
0
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0answers
35 views

Sometimes Internet stops working

While I'm navigating in the Internet with Google Chrome the Internet stops working, it doesn't load the websites suddenly sometimes. I have an Edimax repeater and when I connect from the modem and ...
0
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0answers
56 views

Apple Wireless keyboard unable to pair with iMac (mid 2010, Macos 10.10.5)

I've an apple wireless keyboard and iMac 21.5 inch (mod 2010). Keyboard refuse to work out of the blue and I receive a message that the mac os 10.6.8 was no longer supported. I upgraded t0 10.10.5. ...
1
vote
1answer
92 views

Updating Yosemite 10.10.5 ? on iMac

I want to update my iMac OS X Mavericks Version 10.9.5 to OS X Yosemite 10.10.5. Do I need to backup my files ? or not ?. I'm afraid to update it because I don't want to erase my important files. I'm ...
0
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0answers
198 views

Shared Folder - File Permissions Never Right & Files hidden for some users

I'll go ahead and clarify how I set this up. Skip down to "Issues at Hand" if you want what the problems are. Current Setup: We currently have 10 mac computers, 4 of which are mac mini's and 6 are ...
1
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0answers
1k views

Backspace Key Not Working on Mac Keyboard

Can't explain it, my official wired Mac Keyboard that came with my iMac (20-inch, Early 2009) currently running OS X Yosemite 10.10.5 (14F27) has a backspace key that suddenly stopped working. I've ...
0
votes
1answer
82 views

User account on iMac won't allow applications to open

When my friend logs into his user account and tries to open the Mail App, he just gets the spinning ball and it won't open. Safari and other apps will open, but they take forever. When his wife or ...
0
votes
1answer
53 views

1st Reboot after fresh Yosemite Install - Chime + Apple logo + status bar…then

status bar goes about 1/3 of the way and then it dissappers along with the logo and I get just the white screen. When I boot into Safe Mode I have no audio and sometime the screen flickers. I ...
2
votes
0answers
57 views

What is Yosemite doing when it has a seizure?

Ever since I installed Yosemite on my iMac, it's become unresponsive for about 5–10 seconds when I do any of a variety of common actions. The following usually trigger a delay: a few seconds of no ...
-1
votes
1answer
559 views

Should I update to El Capitan? [closed]

I don't know whether I should update my iMac to El Capitan or not. I'm planning to use it daily as my primary computer for the next 5 to 7 years (yes, seriously) and too afraid to update to the next ...
0
votes
0answers
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/...
1
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0answers
118 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 ...
1
vote
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. ...
0
votes
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
votes
3answers
353 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 ...
0
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0answers
166 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
vote
1answer
239 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 ...
0
votes
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 ...
0
votes
1answer
38 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 ...
0
votes
1answer
620 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 ...
1
vote
1answer
25 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 ...
1
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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 ...
6
votes
3answers
4k 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 ...
1
vote
1answer
147 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 ...
0
votes
4answers
516 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 ...
0
votes
0answers
457 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 ...
0
votes
1answer
208 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
vote
1answer
24 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
votes
1answer
51 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
votes
1answer
164 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 ...
1
vote
1answer
505 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?
-2
votes
2answers
319 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.
0
votes
0answers
69 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 ...
0
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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 ...
1
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0answers
63 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 ...
0
votes
2answers
249 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?
0
votes
1answer
150 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
517 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?!
0
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0answers
235 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 ...