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

learn more… | top users | synonyms

1
vote
0answers
162 views

Target Display mode: iMac mid 2011 with MacBook Pro 2013 late not working

Hardware & OS LIST list: Mac mid 2011i5 4 GB MacBook Pro Retina late 2013 Thunderbolt Cable 2m OS X El Capitan‎ (both) I'm trying to connect my MacBook Pro with my iMac as extended display. ...
1
vote
1answer
120 views

Mac restarts again and again

I have a huge problem with my iMac. When I boot it, I hear the "start sound", I see the Apple icon and a charging circle. After 2-3 minutes the Mac reboots, black screen then the start sound and then ...
2
votes
2answers
635 views

Moving data from Mid-2010 iMac to Late 2015 iMac

I just ordered a new 27" Late 2015 iMac. I'll be moving my data from a 27" mid-2010 iMac. What's the recommended medium for the migration? I know how to use Migration Assistant, but the old iMac has ...
-1
votes
1answer
18 views

Securing USB Drive in Place on iMac

The internal drive of my iMac went bust recently, the iMac is not under warranty anymore so I do not plan to fix it anytime soon. At the moment I am using an external drive and I am managing. The only ...
1
vote
0answers
568 views

iMac randomly shuts down

We have a late 2012 27 inch iMac. It has a 2.9 GHz i5 processor and a 1 TB fusion drive along with 8 GB of RAM. I recently upgraded it to El Capitan. A couple of months ago it randomly started to not ...
0
votes
0answers
76 views

iMac Thunderbolt external monitor black after sleep or blacking out intermittently

We have an iMac 2013 that has a second screen (3rd party) attached via Thunderbolt. Recently the second screen was having problems coming on in the morning when waking from sleep and we had to hit the ...
1
vote
0answers
19 views

Play a video on shutdown

Hi I am looking at a way if possible to play a small 1 minute ~ 2MB video everytime I shut down my mac is this possible ?
2
votes
1answer
105 views

Time Machine failing with (null) error

I'm getting the following after about half an hour of Preparing Backup: Setting security information: Operation not permitted Error processing extended attributes: Input/output error Error moving - ...
1
vote
2answers
199 views

iMac 27 3.2 GHz core i5 [late 2013] memory upgrade

I'm thinking to upgrade memory on my iMac 27 3.2 GHz core i5 [late 2013]. It has currently built-in 8GB [4GB x 2] RAM. My questions are: 1] Can I upgrade RAM by simply adding 16GB [8GB x 2] in two ...
12
votes
6answers
1k views

Recent items menus have stopped working on my iMac

Recently I noticed that on my iMac, running El Capitan, the Open Recent menu has stopped getting updated, both in the Apple menus, and for apps, and both for the Open Recent menu item, and the list ...
0
votes
2answers
74 views

Should I clean iMac fan ducts?

Should I try to clean the fan ducts at the top and bottom of my five year old iMac? I have seen people say vacuuming or blowing air may mess up the innards.
0
votes
0answers
79 views

I only have 2.48 GB of 8 GB RAM available on my Mac after I installed Windows 10

My iMac (iMac12,2) has a pair of 4 GB memory for 8 GB total. It shows up in OS X. Booting to Windows 10 (64-bit) only 2.48 GB of total physical memory are available. Is there a way to use ...
0
votes
1answer
21 views

Apple iMac powermac 6.1

How Come my old iMac Powermac 6.1 isn't recognized by my iPhone 4s ? and how do I connect my mobile hotspot from my T-Mobile iPhone 4s to my old iMac Power Mac 6.1? I try to just plug it in with the ...
0
votes
2answers
40 views

Where to source replacement internal fans? (For a mid-2011 iMac)

I'm looking to replace one of the internal fans in my iMac (mid-2011, 21.5" version) - is there anywhere these can be sourced?. I can't seem to find it online, and only see the part mentioned in ...
1
vote
1answer
120 views

iMac 2008 Core 2 Duo does not list my bootable USB stick in the boot menu?

Hi i am trying to install OS X El Capitan on iMac 2008 model Core 2 Duo processor, and 4GB Ram. The way i followed is i created a USB bootable stick and insert to mac machine and restarted the ...
0
votes
0answers
10 views

White banding on iMac while logging in. What does it mean?

I have a late 2012 iMac which is behaving sluggishly. I rebooted, and when I try to log in, it hangs for a long time (it’s hard to make out, but it’s rainbow pinwheeling), and then I get a weird ...
0
votes
0answers
84 views

Mac Problem after graphic card and system update

so we have an iMac here 27" Mid 2011. It had a known issue with the graphic card and it crashes with serveral graphic errors. So an apple reseller put in a new one. its a a new ATI Radeon HD 67** ...
0
votes
0answers
42 views

Diagnosing why a mac needs safe mode to boot

"Fresh" install of snow leopard 10.6 needs safe mode to boot. It's a 2006 24" iMac and I can't upgrade the software to lion since it's not availiable on app store (I don't really want to shell out any ...
2
votes
1answer
9k views

Why does Apple recommend a 2TB FD over a 1TB Fusion Drive for iMacs with 32GB of memory?

Under the 'Choose Storage' section on Apple's iMac configuration page there is a blue link titled 'How much storage is right for you? (Choose Storage) '. In that dialog it says: For the best ...
0
votes
0answers
37 views

How to stop my SSD “ejecting” from my iMac when in standby?

I recently purchased an SSD drive for my 2009 27" iMac to replace the DVD Drive. Everything installed fine, performance is good etc. However when the device (SSD) is put to "sleep", OS X sees it as ...
1
vote
0answers
75 views

Can an appleTV wake up an iMac to stream it's itunes

Let's say I have an imac with all of my videos on, which has been synced with itunes. If my computer has gone onto standby, but I am in the other room with an appleTV and want to watch something from ...
1
vote
0answers
95 views

How to further diagnose a probably broken graphics card?

I got a somehow broken iMac Mid-2010 (Mac11,2) with a Radeon HD 4670 video card from a friend and now have to repair it. Diagnosis history: The iMac with El Capitan installed doesn't start properly ...
0
votes
0answers
24 views

Are slow format speeds indicative of more severe hard drive problems?

I have an mid-2011 iMac, that has 4GB of RAM and a 500GB HDD (not SSD). Over the past few months I have experienced: Fairly frequent beach balls/general system slowdowns A worrying number of errors ...
0
votes
3answers
4k 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
vote
0answers
30 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
vote
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
69 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
votes
0answers
51 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 ...
0
votes
1answer
42 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
1answer
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 ...
1
vote
1answer
22 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 ...
1
vote
2answers
294 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
votes
0answers
1k 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: ...
0
votes
0answers
30 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
votes
0answers
39 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
76 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
votes
0answers
114 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
vote
0answers
539 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
60 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
48 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
52 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
455 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 ...
0
votes
0answers
86 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
549 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
26 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 ...
0
votes
0answers
14 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
273 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
votes
0answers
100 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
156 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 ...