IMac (21.5, late 2012) 2.9GHz, i5 - Fusion Drive?

Hello everyone, I have iMac 21.5, i5 2.9GHz late 2012.
Going to the Apple Store, can be mount a fusion drive? how much cost?
thanks to all

Hi,
let me share my experience:
I had a similar problem with my new 27'' late 2012 iMac with 1 TB fusion drive and 16GB RAM. There was a consistent noise as if the HD was permanently working. All functions and HD checks were normal. The HD started even buzzing when scrolling a website - sounded like a trapped fly.
I brought it back and they exchanged the HD: Better, but still not to the standard expected from this high-end machine. I brought it back a second time, thinking I was overly sensitive, asked them to check again and was even willing to upgrade to a SSD if the technician would call this "normal".
They exchanged the HD for the 2nd time, and also the LCD display and:
it is gone - completely gone !
And it appears overall performance of the machine is faster than before.
Hope it helps, if someone has similar doubts as I had.
Cheers
JK

Similar Messages

I have a mid 2011 27 inch iMac and a late 2012 mac mini. I am using the 27 inch iMac as the display for the mac mini. I was trying to use bootcamp on the mini but after I started downloading windows I can't get it to display on the iMac.

I have a mid 2011 27 inch iMac and a late 2012 mac mini. I am using the 27 inch iMac as the display for the mac mini with a thunderbolt cable. I was trying to use bootcamp on the mini but after I started downloading windows I can't get it to display on the iMac.

Hi there,
The simplest way is to drag it across wirelessly using the 'Airdrop' application once both computers are near one another. 'Airdrop' can be found near the top, on the left hand side menu, within 'Finder'.
AJ

IMac-27inch model (late 2012) running slow after Mountain Lion 10.8.5 supplemental update

I have the iMac 27-inch (late 2012 model), 8GB RAM, 1TB Hard Drive. All of a sudden after the Mountain Lion 10.8.5 Supplemental update it started running like molasses (apps take forever to open, takes forever to wake out of sleep, long boot up times, etc.) I ran verify disk, verify disk permissions, etc. I found that when I ran verify disk permissions, it stated that the iTunes permissions weren't right so I repaired disk permissions, reboot, still same problem. Ran verify disk permissions again, once again iTunes permissions issues, repair disk permissions, restart, same problem over and over again like Ground Hog Day, please help...

First, back up all data immediately, as your boot drive might be failing.
Step 1
This diagnostic procedure will query the log for messages that may indicate a system issue. It changes nothing, and therefore will not, in itself, solve your problem.
If you have more than one user account, these instructions must be carried out as an administrator. I've tested them only with the Safari web browser. If you use another browser, they may not work as described.
Triple-click anywhere in the line below on this page to select it:
syslog -k Sender kernel -k Message CReq 'Channel t|GPU D|I/O|find tok|n Cause: -' | tail | open -ef
Copy the selected text to the Clipboard (command-C).
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V).
The command may take a noticeable amount of time to run. Wait for a new line ending in a dollar sign (“$”) to appear.
A TextEdit window will open with the output of the command. Normally the command will produce no output, and the window will be empty. If the TextEdit window (not the Terminal window) has anything in it, stop here and post it — the text, please, not a screenshot. The title of the TextEdit window doesn't matter, and you don't need to post that.
Step 2
There are a few other possible causes of generalized slow performance that you can rule out easily.
Reset the System Management Controller.
If you have a portable computer, check the cycle count of the battery. It may be due for replacement.
If you have many image or video files on the Desktop with preview icons, move them to another folder.
If applicable, uncheck all boxes in the iCloud preference pane. See whether there's any change.
Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.
Check your keychains in Keychain Access for excessively duplicated items.
Boot into Recovery mode, launch Disk Utility, and run Repair Disk.
If you're booting from an aftermarket SSD, see whether there's a firmware update for it.
If you have a MacBook Pro with dual graphics, disable automatic graphics switching in the Energy Saverpreference pane for better performance at the cost of shorter battery life.
Step 3
When you notice the problem, launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.
Select the CPU tab of the Activity Monitor window.
Select All Processes from the menu in the toolbar, if not already selected.
Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)
Step 4
If you have more than one user account, you must be logged in as an administrator to carry out this step.
Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

After updating to 10.9.3 on my iMac 21.5 late 2012 trouble with sleep mode(after waking up ethernet connection is lost)

...and i have to wait when ethernet is connect
in network settings error(Ethernet cable is connected, but the computer does not IP-address - "google translate") then self assigned ip(like 169.254 ....) then adapter tekes ip from my router and ethernet is starting working
tested on other imac 21.5 late 2012 10.9.3 same problem after waking up i have to wait a moment

Problem was resolved with a reinstall of ML fromm the Recovery disk.

Does this shelf fit my iMac 27 inch late 2012

Hi,
Does the Twelve South BackPack 2 Adjustable Shelf fit my imac 27 inch late 2012?
I just ordered one from apple just now and noticed afterwards (should have read it all first) that it said not compatible with imac (fall 2012) models.
Is that me? I bought the imac in January 2013, it's the new slim model. Should I cancel the order or will it fit. I wanted it to hold the USB Superdrive out of sight?
Thanks, Crankyhead.

Best Buy carries that item (at least in this area) and they also have the iMacs, so I'd suggest going there and checking it out.
FWIW, there is no 2013 model iMac; anything sold at this time is the late/fall 2012 model. As for whether it fits or not - I don't have a late 2012; I bought a backpack for my mid 2010 and did not care for it (didn't appear to be solid enough to hold a hard drive which is probably heavier than a superdrive), so I returned it.

IMac (27-inch, Late 2012) i want to put ssd blade

iMac (27-inch, Late 2012)
3,2 GHz Intel Core i5
24 GB 1333 MHz DDR3
Hello I want to put SSD blade in my iMAC 27 , maybe someone of you know where to find the ssd blade finishing dig up the entire Internet , but do not understand , really that ssd . Suitable for MacBook Pro and MacBook in 2013 and also 2012? I planned put 512GB max 256GB Help me !!

The SSD blade drive is a very thin SSD that looks a lot like a memory module. It connects to a PCie slot instead of an HD sata port.
According to EveryMacs overview:
For storage upgrades, if the 21.5-Inch "Late 2012" iMac models were not configured with an SSD or a "Fusion Drive" at the time of purchase, there is no way to add a PCIe-based "blade" SSD later as the needed connector is not present. However, the 27-Inch "Late 2012" and all "Late 2013" iMac models do have this connector on the motherboard even without a pre-installed SSD, so it is possible to add a PCIe-based "blade" SSD after the purchase of the system.
http://www.everymac.com/systems/apple/imac/imac-aluminum-tapered-edge-faq/differ ences-between-imac-aluminum-late-2012-late-2013-models.html
One of these should work:
http://www.newegg.com/Product/ProductList.aspx?Submit=Property&N=100008120%20600 038516%20600038517%20600038515%20600489717%20600171532%20600171533%20600488413&I sNodeId=1&name=M.2
With that said you will have to completely disassemble the iMac to install an SSD blade in it. That means not only removing screws, but also glue, and other securing mechanisms, not easily removed.

I have a 2012 Mini with a fusion drive that won't boot from a usb cloned drive. It came with 10.8.2 pre installed. I have zapped the PRAM and reset the SMC. Any thoughts?

I have a 2012 Mini with a fusion drive that won't boot from a usb cloned drive. It came with 10.8.2 pre installed. I have zapped the PRAM and reset the SMC. Any thoughts?

When I tried using a recently downloaded (from the App store) version of MtLion 10.8.2 (12C60) I could NOT get the new MacMini to install or boot from a USB I had previously made. I was however able to use the Recovery Mode of the MacMini to create a bootable SSD which I had installed. The problem arose when I went back into Recovery DU as it saw the seperate drives (SSD & HD) as a broken Fusion Drive. Interestingly DU from the boot volume had NO issues and reported NO faults. It was the Recovery DU that identified the faulty Fusion Drive configuration. At this point I am definately out of my depth but my speculation is that the Recovery Volume is being used in some fashion to form the method or pattern that DU assigns files to the drives, System Report sees the drives as seperate volumes with all their individual characteristics.
Disk Utility did not make a bootable USB, I don't have or use CCC or Super Duper.
Here is the longer version I've been compiling:
Having bought a late 2012 Mac Mini(6,2) i7 2.66GHZ with the standard 1TB 5400 HD and 4GB of RAM (base model) I immediately decided to install a Mercury Elite 6g 240GB SSD and up the RAM to 16GB. I received both shipments on the same day and had all my new toys in front of me. After following the video advice on OWC’s website for the installation of the second drive I started the mini and formatted the SSD to accept the OS from Recovery on the original HD. This MacMini shipped with 10.8.2 (12C2034) as the OS, the normal build of 10.8.2 is (12C60). Having used Recovery Disk Utility to format the SSD it came back with an error that DU could’t Repair. I went ahead and installed the OS on the SSD and the Mini booted normally from both drives. The issue I encountered with this setup was that iMovie encountered an “unexpected error” and would not save a completed project. I therefore decided to figure the drive issue out because I suspect the new Fusion File Management software didn’t like my configuration with drives that Recovery DU saw as needing to be “fixed”. After spending some time on the phone with both OWC and Apple Support I took the plunge and used Internet Recovery Disk Utility and allowed both drives to be “fixed” after which DU created a Fusion Drive (Logical Drive) that I then ran Repair Disk on and it showed up as a single drive in DU. It works perfectly as described by Apple’s site:
http://support.apple.com/kb/HT5446
Having checked the Link Speed and Negotiated Speed they both show as 6g so I’m pleased not to have lost performance due to it being fuzed to a 3g 5400 drive. The biggest drawback is that Apple’s Fusion Management only allows for 1 additional partition and I would have preferred more than that.
I have sourced some additional information here:
http://blog.macsales.com/15619-special-note-for-adding-an-ssd-to-a-2012-mac-mini ?
http://blog.macsales.com/15619-special-note-for-adding-an-ssd-to-a-2012-mac-mini ?
http://blog.macsales.com/15619-special-note-for-adding-an-ssd-to-a-2012-mac-mini ?
http://blog.fosketts.net/2011/08/05/undocumented-corestorage-commands/
If anyone has a factory Fusion Drive could you please post the Link and Negotiated Speeds of both drives? This information can be found in Apple > About This Mac > More Info… > System Report > Serial ATA and the drives should show up as discrete drives with their info listed separately.

IMac (27-inch, Late 2013) with iMac (27-inch, Late 2012) in TDM issue

With the late-2013 iMac 27" (3.5 GHz, 32 GB RAM, 3 TB Fusion, Mavericks 10.9.4) as the primary and the late-2012 iMac 27" (3.4 GHz, 16 GB RAM, 3 TB Fusion, Yosemite Beta 10.10) in TDM, the screen on the target display blinks off and on (goes black and comes right back after a split second). It happens intermittently, regardless of which Thunderbolt port is used to connect the two computers. The other Thunderbolt port on the primary is used to connect two external FW800 drives via a Thunderbolt-to-FW800 adapter.
Through exhaustive testing, and in constant consultation with AppleCare senior advisors, I have seemingly ruled out all obvious potential hardware or software culprits:
An AVR is feeding both computers consistent power.
Each computer's RAM and video cards have been tested with TechTool Pro 7: everything passed.
The Thunderbolt cable has been replaced.
Reset the NVRAM and SMC on both computers (though with all the testing I've done since, it might not hurt to do this again).
Both computers have been running the latest version of OS X (the target display is currently running Yosemite Beta).
Made sure to enable TDM after the primary iMac has completed its full startup process.
Turned down the display brightness on both computers.
Trashed the com.apple.windowserver.plist file on the late-2013 iMac.
None of these steps have resolved the problem and I am having NO other issues with either computer. I'm stumped, as are the AppleCare senior advisors I've been working with. This issue has been present since I first connected these two computers this way. Design flaw not revealed in testing? Problem part not revealed in testing?
Anyone here seen anything like this or have any ideas of what else I can try? Help would be greatly appreciated!
Thanks,
Dana

Purchase a Windows PC?? Gasp, indeed! No, after months of software and hardware troubleshooting with an AppleCare senior advisor, and me refusing to believe my brand new 2013 iMac could have a hardware defect, I finally took my entire configuration (both iMacs, voltage regulator, back-UPS) in to my local Apple Store. They were able to replicate the issue, but then misdiagnosed the problem and replaced an internal display cable. Within minutes of reconnecting everything at home, the problem returned. So AppleCare sent an authorized service tech to my home to replace the logic board. That seems to have finally solved the problem. Inconveniently, the tech didn't have what he needed to flash the new logic board with my serial number right then, so I had to wait two weeks to get that done. It did finally get done though, and now all is well.
Good luck with your issue!

I have a MacBook Pro (13-inch, Mid 2010) and iMac (27-inch, Late 2012) - can I work between both?

I have been using my MacBook Pro for several years and still use it on-the-go but at home now I have the Late 2012 iMac, I bought a Thunderbolt cable but found it wouldn't work with the MBP.
When I'm working on the laptop - and I return home - is there a way I can then transfer the work to the iMac and vise-versa.
Obviously cloud services like Dropbox exist but I'm looking for an alternative as I transfer quite a lot of files.

Hi there,
The simplest way is to drag it across wirelessly using the 'Airdrop' application once both computers are near one another. 'Airdrop' can be found near the top, on the left hand side menu, within 'Finder'.
AJ

IMac 21,5 late 2012, Fusion drive noise

I have the new 21,5 iMac with Fusion drive 1 TB, 16 GB RAM. I have hoped to hear nothing from the Mac. But I always have a low, but permanent noise which I suppose to come from the fan oder the hard drive.
Can anyone comment on his/her experiences with fusion drive in a new 21,5 iMac and the noise coming from that?
Thx
Holger

Hi,
let me share my experience:
I had a similar problem with my new 27'' late 2012 iMac with 1 TB fusion drive and 16GB RAM. There was a consistent noise as if the HD was permanently working. All functions and HD checks were normal. The HD started even buzzing when scrolling a website - sounded like a trapped fly.
I brought it back and they exchanged the HD: Better, but still not to the standard expected from this high-end machine. I brought it back a second time, thinking I was overly sensitive, asked them to check again and was even willing to upgrade to a SSD if the technician would call this "normal".
They exchanged the HD for the 2nd time, and also the LCD display and:
it is gone - completely gone !
And it appears overall performance of the machine is faster than before.
Hope it helps, if someone has similar doubts as I had.
Cheers
JK

MBA 13" (2013) vs iMac 21.5" (Late 2012)

Hi, I just bought the new MBA because I needed a laptop and wanted to try out a mac and osx. I originally thought I needed a laptop because I was going to be bringing it with me all over the place but as it turns out I won't be using it at my place of work. So it's being downgraded into a stay-at-home main computer. I feel that might be a bit silly so I wanted to ask whether I shoukd return it and get something else. I was also thinking of getting a refurb MBP but then I thought about an iMac.
Obviously this is last year's model and I've been reading that Apple will probably refresh the line later this year. I'm just wondering what some of your opinions might be.
This is the iMac I'm looking at http://store.apple.com/us/product/FD094LL/A/refurbished-imac-29ghz-quad-core-int el-core-i5
How would it suffice as a main computer? Will it last for several years because it would be a shame to buy it but have the parts and system become outdated so quickly. I've looked up the graphics card but I was wondering how well it runs in general and was hoping some owners could elaborate on this.
As far as I'm planning to use this for, its just going to be mainly browsing, maybe some light gaming (depending on the power of the card), and maybe some streaming. I know for a fact that I will need to get bootcamp on there and get Microsoft Access so there's that.
I'm just curious if it was worth it to trade. Or to stick with the MBA? Or just get a cheap windows pc/laptop because all I really need is to run Access. I can probably browse on any PC and play games on my consoles.

Hi Dàmien,
it would work if you had on "older" imac with Mini-Display Port Input and and Mini-Display-Port cable (not a thunderbolt cable) to connect your MBP Late 2013 with the "older" iMac.
I can confirm that working:
iMac 2013 runs Win7 under Bootcamp and an iMac 2009 serves as 2nd screen for the Windows desktop.
In your case just replace the iMac 2013 with your MBP 2013 and that should be fine. But you need a Mini-Display-Port iMac at this point as far as I can tell.
Hope that helps.
Thanks,
Martin

Is it possible to replace a broken glass screen from an iMac 21.5" (Late 2012 model)

Hi
My new imac fell on my desk an on the ground ending with a broken glass screen. The image is still intact without colour distorsion.
I'd like to know whether it is possible to change the glass screen.
How ?
Where can I buy a replacement part ?
Is this a replacement that can be carried out by my Apple Store ?
Many thanks for your help.

You should talk to your Apple Store. The newest iMacs are very difficult, if not impossible, for the average person to repair. The glass on previous iMacs could be replaced DIY but the new slimmer version is supposed to be specially glued together.

IMac 21,5 late 2012 won't power up

woke up this morning to a new imac that is totally dark. last night i noticed display disfunction while playing Civilization but i attributited it to having the game's resolution set too high. but it to sleep and no pushing power button results in no activity, dark screen! check poower, treied different plug. nothing.

5 seconds of no power? You're doing it wrong. Unplug ALL peripherals and do it this way:
To reset the SMC
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
That may or may not help, but following the correct procedure is the first step.

IMac 21.5 inch- Better with a 1TB fusion drive or 16GB of ram?

Hello all.
I have decided to get an iMac. But, I need help on deciding what is a better upgrade. I am planning on dual booting windows and playing the video game: Battlefield 4. While this won't be for a while (I'd need to buy windows, then anti-virus blah blah blah....), I would like to know what is the better upgrade in the long run.
Thanks for the help.
M.

Because ram in the 21.5 in model isn't user upgradable getting the maximum amount you can afford would be my choice.

IMac 27" (Late 2012) Freezing and Crashing

I purchased an ex-demo iMac 27" (Late 2012 - 3.4Ghz, 3TB Fusion Drive, Nvidia 680MX 2GB) that was upgraded to 32GB Ram last July.
Since I've recieved it it has intemittantly locked up, occasionally you get the your computers been restarted screen but mostly it just freezes completely. There's no pattern it can be at the login screen, on the desktop with no software running or when any software I use. There's no particular thing that seems to cause it.
I have run the Apple Hardware Test in Extended Mode Multiple Times and it reports no issues. I've run MemTest Continuosly for 24 hours and it reports no issue.
I've done clean installs of OSX multiple times (both Mavericks and Mountain Lion) and its had no effect. Even with a barebones OSX install it still freezes so I've ruled out software.
I've switched the RAM to rule out memory - still freezes.
I've used both WiFi and and Ethernet to rule out network - still freezes.
I've removed the Fusion Drive Logical Volume and installed OSX to the SSD and then to the HDD to rule out hard disks. This included zeroing the hard drive to ensure there was no bad sectors etc. This didn't make any difference.
I contacted Apple who told me to take it to an Apple Store or Apple Authorized Service Provider. I took it in to my local AASP they've told me they can't find anything wrong - everything works fine for them.
I'm wondering whether the issues are environmental. I've seen a few reports that "Dirty Power" can cause issues, has anyone had any similar experiences that have been solved by a UPS?
Failing that I'm at a loss at what to do. The iMac is unusable as it freezes every few hours.
Anyone have any ideas of what else I could try?
Thanks,
James

1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve your problem.
2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
3. Below are instructions to run a UNIX shell script, a type of program. All it does is to gather information about the state of your computer. That information goes nowhere unless you choose to share it on this page. However, you should be cautious about running any kind of program (not just a shell script) at the request of a stranger on a public message board. If you have doubts, search this site for other discussions in which this procedure has been followed without any report of ill effects. If you can't satisfy yourself that the instructions are safe, don't follow them.
Here's a summary of what you need to do: Copy a line of text from this web page into the window of another application. Wait for the script to run. It usually takes a couple of minutes. Then paste the results, which will have been copied automatically, back into a reply on this page. The sequence is: copy, paste, wait, paste again. Details follow.
4. You may have started the computer in "safe" mode. Preferably, these steps should be taken in “normal” mode. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
5. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply.
6. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in your browser, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
Triple-click anywhere in the line of text below on this page to select it:
PATH=/usr/bin:/bin:/usr/sbin:/sbin; clear; Fb='%s\n\t(%s)\n'; Fm='\n%s:\n\n%s\n'; Fs='\n%s: %s\n'; Fu='user %s%%, system %s%%'; PB="/usr/libexec/PlistBuddy -c Print"; A () { [[ a -eq 0 ]]; }; M () { find -L "$d" -type f | while read f; do file -b "$f" | egrep -q XML\|exec && echo $f; done; }; Pc () { o=`egrep -v '^[[:blank:]]*($|#)' "$2"`; Pm "$1"; }; Pm () { [[ "$o" ]] && o=`sed 's/^ */ /' <<< "$o"` && printf "$Fm" "$1" "$o"; }; Pp () { o=`$PB "$2" | awk -F'= ' \/$3'/{print $2}'`; Pm "$1"; }; Ps () { o=`echo $o`; [[ ! "$o" =~ ^0?$ ]] && printf "$Fs" "$1" "$o"; }; R () { o=; [[ r -eq 0 ]]; }; SP () { system_profiler SP${1}DataType; }; id | grep -qw '80(admin)'; a=$?; A && sudo true; r=$?; t=`date +%s`; clear; { A || echo $'No admin access\n'; A && ! R && echo $'No root access\n'; SP Software | sed '8!d;s/^ *//'; o=`SP Hardware | awk '/Mem/{print $2}'`; o=$((o<4?o:0)); Ps "Memory (GB)"; o=`SP Diagnostics | sed '5,6!d'`; [[ "$o" =~ Pass ]] || Pm "POST"; o=`SP USB | awk '/:$/{d[++n]=$0}; /M.*: /{split($0,a,":"); m[n]=a[2]} END {for (i in m) {if (m[i] !~ /^ Apple/) print d[i] m[i]}}'`; Pm "USB"; o=`pmset -g therm | sed 's/^.*CP/CP/'`; egrep -q 'No th|pms' <<< "$o" && o=; Pm "Thermal conditions"; o=`pmset -g sysload | grep -v :`; grep -q '= [^GO]' <<< "$o" || o=; Pm "System load advisory"; o=`nvram boot-args | awk '{$1=""; print}'`; Ps "boot-args"; d=(/ ""); D=(System User); for i in 0 1; do o=`cd ${d[$i]}L*/L*/Dia* && ls | awk -F_ '!/ag$/{$NF=a[split($NF,a,".")]; print}' | tail`; Pm "${D[$i]} diagnostics"; done; o=`syslog -F bsd -k Sender kernel -k Message CReq 'GPU |hfs: Ru|I/O e|n Cause: -|NVDA\(|pagin|SATA W|ssert|timed? ?o' | tail -n25 | awk '/:/{$4=""; $5=""; print}'`; Pm "Kernel messages"; o=`df -m / | awk 'NR==2 {print $4}'`; o=$((o<5120?o:0)); Ps "Free space (MiB)"; o=$(($(vm_stat | awk '/eo/{sub("\\.",""); print $2}')/256)); o=$((o>=1024?o:0)); Ps "Pageouts (MiB)"; s=( `sar -u 1 10 | sed '$!d'` ); [[ s[4] -lt 85 ]] && o=`printf "$Fu" ${s[1]} ${s[3]}` || o=; Ps "Total CPU usage" && { s=(`ps acrx -o comm,ruid,%cpu | sed '2!d'`); o=${s[2]}%; Ps "CPU usage by process \"$s\" with UID ${s[1]}"; }; s=(`top -R -l1 -n1 -o prt -stats command,uid,prt | sed '$!d'`); s[2]=${s[2]%[+-]}; o=$((s[2]>=25000?s[2]:0)); Ps "Mach ports used by process \"$s\" with UID ${s[1]}"; o=`kextstat -kl | grep -v com\\.apple | cut -c53- | cut -d\< -f1`; Pm "Loaded extrinsic kernel extensions"; R && o=`sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix\.cron)|org\.(amav|apac|calendarse|cups|dove|isc|ntp|post[fg]|x)/{print $3}'`; Pm "Extrinsic system jobs"; o=`launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)|\.[0-9]+$/{print $3}'`; Pm "Extrinsic agents"; o=`for d in {/,}L*/Lau*; do M; done | grep -v com\.apple\.CSConfig | while read f; do ID=$($PB\ :Label "$f") || ID="No job label"; printf "$Fb" "$f" "$ID"; done`; Pm "launchd items"; o=`for d in /{S*/,}L*/Star*; do M; done`; Pm "Startup items"; o=`find -L /S*/L*/E* {/,}L*/{A*d,Compon,Ex,In,Keyb,Mail,P*P,Qu,Scripti,Servi,Spo}* -type d -name Contents -prune | while read d; do ID=$($PB\ :CFBundleIdentifier "$d/Info.plist") || ID="No bundle ID"; egrep -qv "^com\.apple\.[^x]|Accusys|ArcMSR|ATTO|HDPro|HighPoint|driver\.stex|hp-fax|\.hpio|JMicron|microsoft\.MDI|print|SoftRAID" <<< $ID && printf "$Fb" "${d%/Contents}" "$ID"; done`; Pm "Extrinsic loadable bundles"; o=`find -L /u*/{,*/}lib -type f | while read f; do file -b "$f" | grep -qw shared && ! codesign -v "$f" && echo $f; done`; Pm "Unsigned shared libraries"; o=`launchctl getenv DYLD_INSERT_LIBRARIES`; Pm "Inserted libraries"; o=`find -L {,/u*/lo*}/e*/periodic -type f -mtime -10d`; Pm "Modified periodic scripts"; o=`scutil --proxy | grep Prox`; Pm "Proxies"; o=`scutil --dns | awk '/r\[0\] /{if ($NF !~ /^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./) print $NF; exit}'`; Ps "DNS"; R && o=`sudo profiles -P | grep : | wc -l`; Ps "Profiles"; for f in fstab sysctl.conf crontab launchd.conf; do Pc $f /etc/$f; done; Pc "hosts" <(grep -v 'host *$' /etc/hosts); Pc "User launchd" ~/.launchd*; R && Pc "Root crontab" <(sudo crontab -l); Pc "User crontab" <(crontab -l); R && o=`sudo defaults read com.apple.loginwindow LoginHook`; Pm "Login hook"; Pp "Global login items" /L*/P*/loginw* Path; Pp "User login items" L*/P*/*loginit* Name; Pp "Safari extensions" L*/Saf*/*/E*.plist Bundle | sed 's/\..*$//;s/-[1-9]$//'; o=`find ~ $TMPDIR.. $ -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $ | wc -l`; Ps "Restricted user files"; cd; o=`SP Fonts | egrep "Valid: N|Duplicate: Y" | wc -l`; Ps "Font problems"; o=`find L*/{Con,Pref}* -type f ! -size 0 -name *.plist | while read f; do plutil -s "$f" >&- || echo $f; done`; Pm "Bad plists"; d=(Desktop L*/Keyc*); n=(20 7); for i in 0 1; do o=`find "${d[$i]}" -type f -maxdepth 1 | wc -l`; o=$((o<=n[$i]?0:o)); Ps "${d[$i]##*/} file count"; done; o=$((`date +%s`-t)); Ps "Elapsed time (s)"; } 2>/dev/null | pbcopy; exit 2>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
7. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign ($) or a percent sign (%). If you get the percent sign, enter
exec sh
in the window and press return. You should then get a new line ending in a dollar sign.
Click anywhere in the Terminal window and paste (command-V). The text you pasted should vanish immediately. If it doesn't, press the return key.
If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know your password, or if you prefer not to enter it, just press return three times at the password prompt.
If you're not logged in as an administrator, you won't be prompted for your password. The test will still run. It just won't do anything that takes administrator privileges.
The test may take up to a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line "[Process completed]" to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report your results. No harm will be done.
8. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
When you post the results, you might see the message, "You have included content in your post that is not permitted." It means that the forum software has misidentified something in the post as a violation of the rules. If it happens, please post the test results on Pastebin, then post a link here to the page you created.
Note: This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
Copyright © 2014 Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Terms of Use of Apple Support Communities ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

IMac (21.5, late 2012) 2.9GHz, i5 - Fusion Drive?

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