Crazy to buy a maxed out late 2013 iMac now?

Was waiting to see if there would be any update but alas, no. Not sure I want to be an early adopter of a retina 27" iMac. Looking at a nearly maxed out non-retina (aka late 2013) 27" iMac. Only about $400 less than similar equipped retina model. Am I crazy or what? Use is just home computing and home video/photo editing. I just looked at retina 27 in store. I can see the difference if I try I don't see point in waiting for next gen chips either.

I just did something similiar. I waited and waited for the Retina iMac to be released before I made my final iMac decision. I was on board for even max'ing out the Retina iMac until I learned it would not support Target Display Mode. I already own a Macbook Pro w/Retina. And while I understand not seeing 5k each and every time, I expected (current technology limitations or not) the Target Display Mode to simply reproduce the same resolution as the Macbook Pro when connected via Thunderbolt.
Once I learned that the Retina iMac did not work as a secondary monitor I made my Late-2013 iMac decision. I understand where you are coming from because I had the same 'fears'.
It kills me to not have the 5k version when it exists, but last year's version (including TDM functionality) fit my day to day needs better.
KC3Dogs

Similar Messages

Which 3rd party ram can I buy to max out my imac 2.93ghz i7 without the imac shutting down?

Which 3rd party ram can I buy to max out my imac 2.93ghz i7 without the imac shutting down? I know and apple knows that there is an issue with this but, I'm wondering if there is anyone here that has solved this issue. Apple wants waaaaay too much for 16 gigs of memory.

There was an issue with mid/late 2010 iMacs mostly, as evidenced in one of the threads:
https://discussions.apple.com/thread/2588800
However, I'm not aware of any current or remaining problems. I have a mid 2010 iMac and solved the problem by sticking with a total of 12 GB RAM (4 GB OEM original and 2 x 4 GB added from OWC). So, if you're not sure, contact OWC - they were actively working on the problem last year and if you buy 16 GB from them and they don't work, you can easily return it. Or, be super safe, and stick with a total of 12 GB - I'm finding that 12 is really quite enough even though I do a fair amount of photo, graphics, and video editing.

WHAT TO BUY TO MAX OUT THIS PISMO BRONZE KEYBOARD POWERBOOK

Hi, pls advise what to buy to max out this powerbook and where best to buy upgrades from.
POWERBOOK (FIREWIRE) 3,1
CPU TYPE PowerPC 750 (83.2)
CPU SPEED 400MHz
37GB HARD DRIVE AT THE MOMENT
I want to install an airport card, or would you advise me to get ausb key to access wifi?
also, is it worth trying to upgrade the graphics card current one being an ATY, RAGE M3
CAN I UPGRADE THE CD ROM DRIVE THAT CAN BE REMOVED BY PULLING A LEVER AT THE FRONT?
what about a back up power cord which one would you all recommend?
My plan was to try to put in a 100gb hard drive 7200rpm
an airport card and max the ram to 1gb.
I am a novice in opening up this powerbook, when you remove the cover you see 1 memory module, where is the second located?
Any other tips to increase the speed/power of this powerbook.
I just want to keep it as a spare working machine for business.
Many thanks All
Amin

The USB airport dongles aren't that great, require specialized drivers, which may or may not work, and that model supports the original airport card which looks like:
and can not be purchased at the Apple Store. Several places that sell used and refurbished Macs in England may be able to get you that card. I'd do a search on Google for such places. It supports 802.11b, but not 802.11g or 802.11n speeds, though most WiFi Access points offers 802.11b support.
You can upgrade GPU support via Villagetronic's:
http://www.villagetronic.com/eprvtbook.html
This only offers a better GPU for external displays. The internal will still be the original. You can't upgrade the original GPU directly.
http://www.macsales.com/
http://www.mcetech.com/
and
http://www.macresq.com/
all offer CD-RW and DVD-RW drives for that model. Note though, iDVD, if it does run will run extremely slowly if at all. The oldest Mac that supports iDVD with any reasonable speed is the G4/733 processor PowerMac desktop. And that at 1 hour of video encoded in 2 hours.
The internal hard drive can only be upgrade to 120 GB per partition, and only Parallel ATA, and not SATA. Therefore any internal drive you might be looking for would have to conform to those specs, and I'd only purchase internal drives by Seagate and Western Digital. Note that for higher capacities, 5400 RPM drives are as fast as the 7200 RPM drives that are lower capacities because of the denser track density.
The official RAM limit on the article here:
http://support.apple.com/specs/powerbook/PowerBook_FireWire.html
Should be observed. I would not exceed 512 MB, even though some RAM vendors may say it is possible to do so. Mac OS X is particularly sensitive to the specs of the computer being observed. If you exceed such specs, kernel panics, and heat issues may crop up.
P.S. Please note, avoid using all uppercase. It makes it look like you are shouting, and based on internet net etiquette may be considered rude by some. I'm sure that's not your intention, just thought I'd give you the heads up!

Installing Windows 7 on Late 2013 iMac w/ Fusion Drive

Sorry in advance for the long post, but I have tried to exhaust all possibilities, and bring as much knowledge about our environment to the table to avoid confusion.
Here's our goal: Install Mac & Windows on a Late 2013 iMac with a 1TB Fusion Drive
Install our Mac Image with Deepfreeze on Partition 1
Install our Windows 7 x64 Image with DeepFreeze on Partition 2
Here's why our goal cannot work out of the box:
Deepfreeze for Mac, is not supported on a Fusion Drive. Now before anyone says "just don't use deepfreeze"...we are using it, and that is that.
In order to get our existing image to work on the iMac, we had to split the Fusion Drive.
Splitting Up the Fusion Drive
We booted into Recovery, Opened up terminal, retrieved the LvGUID, deleted it, and split up the SSD from the HD.
So now, we have a 128GB SSD, and 1TB HD showing up under Diskutilitiy.
We then partitioned the 1TB HD, into two, 500GB Partitions. One for Mac OSX 10.9.4, and the other for Windows.
The 128GB SSD is going to be used for scratch space, temp, etc. And is irrelevant at this time.
Deploying our Mac Image
After splitting the Fusion Drive, we netbooted and installed a "NetRestore" of our image. Worked completely fine, no issues. DeepFreeze Works fine, the 128GB SSD shows up just fine, and the other 500GB Windows Partition shows up fine. All drives / partitions can be written to with no problem.
Deploying our Windows Image
Deployed our Windows Partition image as we have done in the past, by booting into a windows PE Disk. (We have other various 2009, 2010, and 2011 iMacs across campus, with NO FUSION DRIVES installed, and dual boot them successfully using the same procedure. Minus the splitting of the fusion drive part of course) After the Windows image is deployed to the windows partition, we then boot it up to a Windows 7 Install disk to fix the MBR, Bootrec, and BCD options to allow it to boot properly. Here's where we run into issues: Upon getting the Windows 7 Install screen, the USB Keyboard and Mouse, DO NOT WORK.
Here's the options we've tried to get them to work properly
1. Tried another known working Mac USB Keyboard & Mouse = Failed
2. Tried a known working Windows Keyboard & Mouse = Failed
3. Plugged Just a known working Mac Keyboard into each USB Port to see if recognized = Failed
4. Plugged Just a known working Windows Keyboard into each USB Port to see if recognized = Failed
5. Plugged Just a known working Mac Mouse into each USB Port to see if recognized = Failed
6. Plugged Just a known working Windows Mouse into each USB Port to see if recognized = Failed
7. A Windows 8.1 Recovery USB will boot and the USB Mouse & Keyboard are recognized and installed! (YAY!!) However, we cannot repair a Windows 7 install with Windows 8.1..
BootCamp Drivers & Support Media
Downloaded the Current BootCamp Support drivers to enable the USB and other various drivers to be loaded during setup (Placed the $WinPEDriver$ and AutoUnattend.xml, and BootCamp folder on the Root of a USB, and modified a Windows7 Installation disk and placed on the root as well) The drivers do not load. Have also placed on a brand new USB2, and USB3 flash drive formatted at FAT32, to see if that made a difference, which it did not. The BootCamp USB made within Mac, it loads saying "Now booting into Boot Camp Assistant Created USB Drive..." or something like that (Don't remember the exact Message)
Side Note:
Restored Fusion Drive to its original State, and booted from the BootCamp USB drive, still no usb Mouse & Keyboard Support.

I have same issue
Tried everything differend hdd,ssd as well
Basically when trying instal win 7 via iOS maverick when reboting and windows booting to the first scree everything freezing cant do much.
Also tried install clear ssd without any system, but soon after format ssd or hdd I have error that I cant use this disk to install windows!!!!!!!!!!!!!!!!!
What is funny Windows 8 installing without any problem!!!
what is going on APPLE??wher is support
This issue I have only on Late 2013 on my other Late 2012 this issue not exist and everything working as should.

Why does my iPad keeps connecting and disconnecting from the new late 2013 iMac

Hi there,
I've recently bought a new late 2013 iMac and ever since then I'm not able to connect my iPad 2 to it. When I do connect it keeps connecting and disconnecting again and again for some reason. The cable is fine and I've tried it with other devices. Just wondered why this is and whether you guys can help me out.
Thanks a lot!
CitizenJohnny

Hi,
I had the same problem and just found a solution. I tryed restoring all content and settings on the iPad (Settings > General > Reset > Erase All Content and Settings). It took lots of time, however it didn´t work because when I connected the iPad and iMac the problem persisted.
Then I thought it wasn´t an iPad problem but iMac OSX problem. So I searched the web for "Reinstall Mavericks" and found this http://support.apple.com/kb/PH13871?viewlocale=en_US&locale=en_US.
It also takes like 6 hours with my internet speed. Next day I connected the iPad and everything is just fine.
I described both processes because I don´t know if in the end the iPad reset helped in the solution.
Hope that helps! good luck

Late 2013 imac randomly restarts

I have a late 2013 imac, 27in, 3.5ghz i7 cpu, 3tb hard drive, , i ordered the kingston recommended Ram 32 GB [ KTA-MB1600L/8G],is work for the first day after that the computer restart itself randomly , so the problem is i open too much websit on Chrome or connect to much USB DEVICE ? or something else ??
Any thoughts on what is happening? Thank You !
Wed Mar 5 03:35:43 2014
panic(cpu 0 caller 0xffffff80158dbe2e): Kernel trap at 0x00000000017ff000, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x00000000017ff000, CR3: 0x000000003f8eb030, CR4: 0x00000000001606e0
RAX: 0x0000000000000004, RBX: 0xffffff8056096780, RCX: 0xffffff80158b0a9f, RDX: 0xffffff80158dc3a0
RSP: 0xffffff83cd7bbf40, RBP: 0xffffff83cd7bbf90, RSI: 0x0000000000000000, RDI: 0xffffff8056096780
R8: 0x0000000000000001, R9: 0x0000000000000001, R10: 0x0000000000008000, R11: 0x0000000000000202
R12: 0x0000000000000000, R13: 0x0000000000000007, R14: 0x0000000000000001, R15: 0x0000000000000003
RFL: 0x0000000000010282, RIP: 0x00000000017ff000, CS: 0x0000000000000008, SS: 0x0000000000000000
Fault CR2: 0x00000000017ff000, Error code: 0x0000000000000010, Fault CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff83cd7bbbd0 : 0xffffff8015822fa9
0xffffff83cd7bbc50 : 0xffffff80158dbe2e
0xffffff83cd7bbe20 : 0xffffff80158f3326
0xffffff83cd7bbe40 : 0x17ff000
0xffffff83cd7bbf90 : 0x7fff7f20af00
0xffffff83cd7bbfc0 : 0xffffff83cd7bbf40
0xffffff8056096780 : 0x0
Unaligned frame
Backtrace terminated-invalid frame pointer 0xf
BSD process name corresponding to current thread: WindowServer
Mac OS version:
13C64
Kernel version:
Darwin Kernel Version 13.1.0: Thu Jan 16 19:40:37 PST 2014; root:xnu-2422.90.20~2/RELEASE_X86_64
Kernel UUID: 9FEA8EDC-B629-3ED2-A1A3-6521A1885953
Kernel slide:     0x0000000015600000
Kernel text base: 0xffffff8015800000
System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)
System uptime in nanoseconds: 10492776507974
last loaded kext at 1717603031959: com.parallels.filesystems.prlufs          2010.12.28 (addr 0xffffff7f97f1b000, size 94208)
last unloaded kext at 3228964179023: com.parallels.filesystems.prlufs          2010.12.28 (addr 0xffffff7f97f1b000, size 90112)
loaded kexts:
com.nvidia.CUDA          1.1.0
com.paragon-software.filesystems.ntfs          100
com.apple.filesystems.smbfs          2.0.1
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.iokit.IOBluetoothSerialManager          4.2.3f10
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.AGPM          100.14.15
com.apple.driver.ApplePlatformEnabler          2.0.9d1
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleGraphicsDevicePolicy          3.4.35
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.driver.AppleHDAHardwareConfigDriver          2.6.0f1
com.apple.GeForce          8.2.4
com.apple.iokit.IOBluetoothUSBDFU          4.2.3f10
com.apple.driver.AppleHDA          2.6.0f1
com.apple.driver.AppleUSBCDCECMData          4.2.1b5
com.apple.driver.AppleUSBCDCACMData          4.2.1b5
com.apple.driver.AppleMikeyDriver          2.6.0f1
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleIntelHD5000Graphics          8.2.4
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleMuxControl          3.4.35
com.apple.driver.AppleBacklight          170.3.5
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleIntelMCEReporter          104
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.nvidia.NVDAStartup          8.2.4
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.AppleLPC          1.7.0
com.apple.driver.AppleIntelFramebufferAzul          8.2.4
com.apple.driver.AppleThunderboltIP          1.1.2
com.apple.iokit.SCSITaskUserClient          3.6.6
com.apple.driver.CoreStorageFsck          380
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.AppleUSBHub          666.4.0
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.5.1
com.apple.driver.AppleSDXC          1.5.2
com.apple.iokit.AppleBCM5701Ethernet          3.8.1b2
com.apple.driver.AirPort.Brcm4360          831.21.63
com.apple.driver.AppleAHCIPort          3.0.0
com.apple.driver.AppleUSBXHCI          670.4.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleSMBIOS          2.1
com.apple.driver.AppleACPIEC          2.0
com.apple.driver.AppleAPIC          1.7
com.apple.nke.applicationfirewall          153
com.apple.security.quarantine          3
com.apple.driver.AppleBluetoothHIDKeyboard          170.15
com.apple.driver.AppleHIDKeyboard          170.15
com.apple.driver.IOBluetoothHIDDriver          4.2.3f10
com.apple.driver.AppleMultitouchDriver          245.13
com.apple.kext.triggers          1.0
com.apple.iokit.IOAcceleratorFamily          98.14
com.apple.nvidia.driver.NVDAGK100Hal          8.2.4
com.apple.nvidia.driver.NVDAResman          8.2.4
com.apple.driver.DspFuncLib          2.6.0f1
com.apple.vecLib.kext          1.0.0
com.apple.iokit.IOSerialFamily          10.0.7
com.apple.driver.AppleUSBAudio          2.9.5f4
com.apple.iokit.IOAudioFamily          1.9.5fc2
com.apple.kext.OSvKernDSPLib          1.14
com.apple.iokit.IOSurface          91
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.driver.AppleGraphicsControl          3.4.35
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.driver.X86PlatformPlugin          1.0.0
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.AppleHDAController          2.6.0f1
com.apple.iokit.IOHDAFamily          2.6.0f1
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.iokit.IOAcceleratorFamily2          98.14
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.driver.AppleThunderboltEDMSink          2.1.3
com.apple.iokit.IOUSBHIDDriver          660.4.0
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.6
com.apple.iokit.IOUSBMassStorageClass          3.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6
com.apple.driver.AppleUSBComposite          656.4.1
com.apple.driver.AppleThunderboltDPInAdapter          3.1.7
com.apple.driver.AppleThunderboltDPOutAdapter          3.1.7
com.apple.driver.AppleThunderboltDPAdapterFamily          3.1.7
com.apple.driver.AppleThunderboltPCIDownAdapter          1.4.5
com.apple.driver.CoreStorage          380
com.apple.iokit.IOUSBUserClient          660.4.2
com.apple.driver.AppleThunderboltNHI          2.0.1
com.apple.iokit.IOThunderboltFamily          3.2.7
com.apple.iokit.IOEthernetAVBController          1.0.3b4
com.apple.iokit.IO80211Family          630.35
com.apple.driver.mDNSOffloadUserClient          1.0.1b5
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOAHCIFamily          2.6.5
com.apple.iokit.IOUSBFamily          675.4.0
com.apple.driver.AppleEFINVRAM          2.0
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IOHIDFamily          2.0.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          278.11
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.AppleKeyStore          2
com.apple.driver.DiskImages          371.1
com.apple.iokit.IOStorageFamily          1.9
com.apple.iokit.IOReportFamily          23
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.9
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
com.apple.kec.pthread          1
Model: iMac14,2, BootROM IM142.0118.B00, 4 processors, Intel Core i7, 3.5 GHz, 32 GB, SMC 2.15f2
Graphics: NVIDIA GeForce GTX 780M, NVIDIA GeForce GTX 780M, PCIe, 4096 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3135352E4130304C4620
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3135352E4130304C4620
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3135352E4130304C4620
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x0198, 0x393930353432382D3135352E4130304C4620
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x111), Broadcom BCM43xx 1.0 (6.30.223.154.63)
Bluetooth: Version 4.2.3f10 13477, 3 services, 23 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: 4-Port USB 3.0 Hub
USB Device: My Passport 0740
USB Device: My Passport 07A8
USB Device: Touro Mobile 3.0
USB Device: Toshiba USB 3.0 Dock⨌
USB Device: Toshiba USB 3.0 Dock⨌
USB Device: My Passport 0748
USB Device: External USB 3.0
USB Device: Hard Drive
USB Device: dynadock U3.0
USB Device: USB to ATA/ATAPI Bridge
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: FaceTime HD Camera (Built-in)
USB Device: USB2.0 Hub
USB Device: USB2.0 Hub
USB Device: USB2.0 Hub
USB Device: My Passport 071A
USB Device: My Passport 071A
Thunderbolt Bus: iMac, Apple Inc., 23.10

Did you upgradde the RAM? If so, this may be your problem.
If you want to upgrade to 32GB of RAM on your late 2013 27" iMac and don't want to pay Apple prices, buy the RAM from OWC.
My iMac, crashed with the first batch of Kingston RAM sourced from an Apple approved service centre. Fortunately I got a full refund then sourced the RAM from OWC and it works perfectly.
The benefits of OWC are
1) You can order and ship globally
2) The price is very competitve
3) The website clearly states how they test the RAM and the comaptibility with your computers model no.
4) They have a 30 day refund and a lifetime replacement policy
5) You can get a rebate on your old RAM, although I didn't bother taking this up.
Having been through the hassle, using OWC RAM is a no brainer and in my opinion the most convenient and effective upgrade. Hope this helps your decision!

Free Space Partition on Mac HD - 3TB Fusion Drive Late 2013 iMac

I have managed to create a free space partition on my Mac HD that I now cant get rid of. This happened when I was trying to run bootcamp and during the Windows install I created a new partition that wiped the bootcamp partition and turned it into free space. Have attached a screen shot of my HD. I have already tried re-formatting the free space partition but nothing happens, just goes back to free space. Any help/ideas would be appreciated. Thanks!
Late 2013 iMac-3TB Fusion drive

Try highlighting the top space and there should be a arrow of sorts in the bottom right hand corner, like this.
Click and hold on it and drag it down to take up the free space.
If there is no 45º lines then you have separated that space from the Logical Storage Volume that makes up the Fusion drive and it can't be put back in without wiping out the Fusion drive and recreating it. At least no way that I know of.

Will Kingston KTA-MB1600/8G work with my late 2013 iMac

Will Kingston KTA-MB1600/8G work with my late 2013 iMac?

Maybe, maybe not. Macs are intolerant of RAM that does not meet Apple's stringent specifications.
http://store.apple.com/us/mac/mac-accessories/memory
Other than Apple there are only two vendors with which I have personal experience and can recommend: Crucial and OWC. People have reported problems with many other brands, yet Crucial and OWC's prices are as good as any you are likely to find.
Go to Crucial and download the little app that examines your system and recommends RAM upgrade options.
Their prices are good but don't have to buy memory from them - determine what you need and buy it from Crucial or OWC / MacSales.

USB Audio Problems Late 2013 iMac - Clicking / Popping / Dropouts

I am having audio clicking and popping issues with a brand new late model 2013 iMac and a USB 2.0 multi-channel audio recording interface. Here is what I have learned so far:
Clicking and popping is occurring in both directions - playback and recording. I am not having any issues with internal audio, so this was easy to verify.
The same issue appears in many threads in Apple Support Communities and in various recording/pro audio forums, so this seems to be a common issue.
The issue is independent of the audio interface that is used. (I am using a brand new Focusrite Scarlett 18i20 that I purchased specifically to use with my new iMac, but the forums report the same issues for a variety of other interfaces and audio devices.)
Five potential root causes are mentioned in the various forums:
1) USB 3.0 compatibility issues - poor backward compatibility or other issues
2) Fusion Drive activity - artifacts caused by drive "swapping"
3) OS X version - newer versions may be worse than old versions
4) App Nap - ?
5) Driver issues
Potential short-term solutions include:
1) Change driver - The "Class Compliant Mode" app (that I downloaded from the link on the Focusrite website) improved the issue for me, but clicking and popping occurs every few seconds instead of constantly.
2) Exchange the Fusion Drive for a conventional 7200 RMP hard drive - Forums report that this does not fix the issue.
3) Install older version of OS - Forums report that this does not fix the issue.
4) Disable App Nap - Forums report that this does not fix the issue.
5) Belkin Thunderbolt express dock - Forums report that a Thunderbolt hub with USB gives excellent results, but the only one I am aware of is the Belkin one which is ~$300. (I will not pay $300 to fix thousands of dollars of new equipment that should not need to be fixed!!!)
6) Apple Care's advice was an SMC reset (essentially a reboot), which clearly did not work. The person that I talked to was not aware of this being a known issue.
I am at a point where I need to decide whether or not to get a refund for this iMac since my primary reason for getting this new computer was recording. So...can anyone help to answer these questions:
Has Apple acknowleged this issue? If so, has Apple committed to fixing this issue via a software upgrade or have they admitted that this is a hardware limitation that is not fixable?
Has anyone found a free or inexpensive workaround (i.e. not the $300 Belkin dock) that completely elimiates this issue?

I'm also having audio issues on my new late 2013 iMac via the USB headset. Audio starts playing fine and then static starts creeping into the audio until it drowns out the sound. Only way to fix is to unplug the headset and then plug it back into the USB port.
I've tested the headset on other PCs and my older iMac and the issue doesn't show up.
I've re-installed Mavericks on the iMac, without nuking my data, but that still doesn't solve the issue.
I've logged a case with Apple support and they had me run a program which gathered up a bunch of information to send to their engineering team. No updates yet so far.
Just one question for those that also have this issue. Did you restore your data from a Time Machine backup, or is this issue also happening on the Mac that's fresh out of the box?
I'm wondering if this issue could be caused by restoring data from my Time Machine, but I don't want to go through the hassle of nuking my entier hard drive and having to reinstall everything from scratch just to fix this issue.

Problem installing Windows 7 64-bit on late 2013 iMac 27"

Is Windows 7 64-bit compatible with this computer?
Hardware and software:
• Late 2013 iMac 27", 3.5 GHz I7, 16 GB memory, 1 TB hard drive (no fusion drive)
• Mac OS 10.9.1
• USB thumb drive
• Boot Camp Assistant 5.1.0
• Windows 7 64-bit install disk iso image downloaded from Microsoft
Install steps:
1. Use Boot Camp Assistant to install Windows 7 install (from iso image) and Apple Support Software (creates WININSTALL USB drive)
2. Use Boot Camp Assistant to create 50 GB Windows partition on iMac internal drive and start Windows install
3. Complete initial install steps until given option to select install partition
4. Select 50 GB partition. Error message that partition is not formatted correctly. Use Advance Options to format (presumably to NTFS)
5. Select 50 GB partition again and click "Next"
6. Get error message "Setup was unable to create a new system partition or locate an existing system partition. See the Setup log files for more information."
7. Install quits at this point
I have successfully installed Win 7 on another computer (2010 Mac Pro) using these steps. I also tried installation on the iMac using an iso image created from my original Win 7 64-bit install disk, with the same installation error as above.
I'm wondering if Windows 7 and/or Boot Camp is compatible with this iMac. Any suggestions will be appreciated.

I am awaiting delivery on the exact model you have and have been researching how much trouble it will be to put 64 bit windows 7 ultimate on my machine when it gets here. I'm not pleased at what I've been reading so far. I have not seen the two other posts but yours is enough to concern me.
Have you also seen that 10.9.1 update may be responsible for this? I've seen where 10.9 caused some problems with the bootcamp app but then the process was completely hosed with the 10.9.1 update. Are you seeing this as well?
Being a life-long mac dude, it pains me when their stuff just doesn't work because it usually just does. ****, that's why I started on a mac in the first place.
The support site says that they come with 90 days of complimentary support. Is this not an issue they should be responsible for addressing via support? Or is that just one long wait on hold waiting to talk to somebody that won't consider this a pure apple issue?
I was also curious if your install .iso contains both 32 and 64 bit versions?

Fusion Drive of late 2013 Imac

Is the fusion drive of the late 2013 iMac a combination of a PCIe ssd and a HD or does it have a sata ssd?

Apple - Press Info - Apple Updates iMac
says it's PCIe

Cannot install Windows 8.1 on Late 2013 iMac

Attempting to install Windows 8.1 (retail) using Boot Camp Assistant but when I get to the "Select disk to install windows" screen, nothing appears.
I'm using a retail copy of the Windows 8.1 full installer DVD and I have the midrange 21.5" late-2013 iMac.

Installed my retail copy of Windows 8.1 from Windows 7 without any hiccups or hacks. Windows 7 can be installed in trial mode for free and easily by downloading a legal ISO from Digital River. Create a USB installation with Boot Camp Assistant and proceed as normal using the Windows 7 ISO. During Installtion, skip entering a license. After Windows 7 is successfuly installed, boot back into OSX and create just a drivers USB using Boot Camp Assistant. Boot back into Windows, insert your retail Windows 8.1 disc or use your download and let it install. Be prepared to do several "Hold-Option" boots to kick it into windows. Installation probably had 6 reboots.
Digital River ISOs
Windows 7 Home Premium 32Bit:
http://msft.digitalrivercontent.net/win/X17-58996.iso
Windows 7 Home Premium 64Bit:
http://msft.digitalrivercontent.net/win/X17-58997.iso
Windows 7 Professional 32Bit:
http://msft.digitalrivercontent.net/win/X17-59183.iso
Windows 7 Professional 64Bit:
http://msft.digitalrivercontent.net/win/X17-59186.iso
Windows 7 Ultimate 32Bit:
http://msft.digitalrivercontent.net/win/X17-59463.iso
Windows 7 Ultimate 64Bit:
http://msft.digitalrivercontent.net/win/X17-59465.iso
Thanks, and I hope this helps whoever needs it. I always hate when someone finds a fix and never reports back.

Cannot install Win 8 on a late 2013 iMac using bootcamp on 10.9

I'm trying to install Win 8 on a late 2013 iMac (purchased a couple of months ago)
I have a win 8 pro DVD, but obviously there is no DVD in this iMac. I usally use the DVD drive in my older 2009 iMac for any disk based installs but I can't appear to use it here.
I followed the instructions and downloaded a Win 8 Pro ISO from Microsoft to use with my authentication code, created a bootable USB using bootcamp, created the partition and rebooted. Once I'd entered the code I get to the install location but it says I cannot install on the partition created by bootcamp. Even if I format the partition it says I need a GPT drive but I have MBR, so won't let me install.
I tried several suggestions including creating aprtitions in various other programs and once I even got past that screen, but as soon as it tried to install I got another error saying the MBR was formatted incorrectly and it failed.
I had no issues installing Win 7 via bootcamp on the older iMac, but this one has me stumped. I used to think I knew a bit about computers, but I'm fairly new to Mac related issues as the older iMac has always just worked.
Any help would be greatly appreciated.

Hello,
I just installed Windows 8.1 on my Late 2013.
There are just a couple of things I had to do that deviated from the Boot Camp Installation Manual.
1. I downloaded my copy of Windows 8.1 as an ISO image AND as a bootable USB from the Microsoft site.
Not sure why I did that but it came in handy because Bootcamp was taking a very long time to copy the ISO onto the USB stick..
The ISO copying seemed to freeze up, but it's likely that it was just taking a long time, probably 20mins.
So, instead of waiting, I took the contents of the the USB startup stick and simply moved them over to the stick that Bootcamp had formatted for the ISO copy (I cancelled that copy function and deleted any files that had copied but didnt complete).
Once that was done, the machine rebooted from the USB stick and began the normal Windows setup process.
All went very smoothly except that my mouse was not working.
2. To get around the mouse issue, I simply plugged in a MS USB Mouse and it worked immediately.
The Bootcamp manual advised that the way around this was to 'click in upper right corner and search for Bootcamp'. Problem was, it was nowhere to be found.
So, using my MS mouse, I navigated to the 'DESKTOP' icon in Win 8.1 and found File Explorer, which showed my USB stick connected along with Bootcamp and the MS Support File (i.e. All the Apple Drivers).
I began manually clicking on all the driver files until realizing that there IS a Bootcamp executable which will automatically install the drivers for the Nvidia card, keyboard, camera, mouse, etc....
Once that was done, my installation was completed.
The entire process took about an hour, but now that I've done it, it really shouldnt take much more than 45 mins.
I have the late 2013 iMAC, with the GTX780M and 1TB Fusion Drive i5 Quad Core.
For those who are leery about doing this, please note that I'm a PC 'lifer' and this is my very first go-around with doing anything on an Apple product.
It all went much more smoothly than I could have imagined, but if you are not a PC person, you might be a little challenged finding the Bootcamp in File Explorer or doing anything in Win 8.1 to get over these minor hurdles.
Good luck!
I'm looking forward to getting STEAM up and running to see how this thing games!

Will Late 2013 iMac boot from Snow Leopard External Drive?

Hey gang-
Got a new late-2013 iMac for Christmas (yayyyy!!)
I plan on running Mavericks for day-to-day use, but there are a few old Power PC apps that I occasionally need to run. Does anyone know if the new iMacs will boot from an external drive running Snow Leopard? I have an external Firewire drive with Snow Leopard on it and I'm wondering if the new iMac will boot from it if needed.
Thanks!
Dave

Thanks gang. No worries- I keep an older Intel MacBook with Snow Leopard on it and I suppose it will do in a pinch.
Cheers!
Dave

I just bought the new late 2013 iMac. Can I get the new iWork for free?

I just bought a new late 2013 iMac. Can I get the new iWork for free? I updated it to Mavericks also. The Mac App store is showing $19.99 for each iWork component (Pages, Numbers, Keynote). I also bought the previous iWork version, if that matters. Free updates for iPhoto and iMovie seemed to show up with no problems. Maybe these are just glitches that will clear up in a couple of days?

Hi. If you want it to get updated, this should take care of it.
1. Uninstall iWork from your Mac.
2. Do a fresh install of iWork from DVD.
3. Install iWork update from Apple Downloads (direct link here: http://support.apple.com/kb/DL1563)
4. Sign into the Mac App Store, and check for updates. It should now show up as a free update. You may have to give it a few minutes (i.e. 10-15 minutes).
I've been a Windows user for years, so I know all of the tricks by now. I had hoped I would not need this knowledge for a Mac, but oh well...
Good luck.

Crazy to buy a maxed out late 2013 iMac now?

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