Airplay mirroring from my iMac (late 2013) suddenly stop working.

Is it a known Yosemite issue? Airplay worked perfectly with Mavericks and if I don't remember wrong, it also did after installing Yosemite. When I turn on Airplay my TV screen goes black and only the sound goes through.
My Apple TV is gen 3.
Airplay works perfectly with iOS8

When I have a similar issue, sometimes I will turn off Home Sharing in iTunes, quit I-iTunes, then restart it and re-add Home Sharing. Then I will restart the Apple TV and finally do a test, most times it works fine.
Keeping both systems up-to-date also helps.

Similar Messages

Airplay mirroring on Mac Mini (late 2012) doesn't work, extended display does...

Airplay mirroring on Mac Mini (late 2012) doesn't work, extended display does... What's going wrong here?
Details: OS X Yosemite 10.10
Apple TV 3rd generation, version 7.0
Switching Airplay on on Mac Mini works. It goes automatically on extended display mode. Switching to mirroring works for about 1 sec and then it switches back to extended display mode. On my tv screen i see my second desktop. Funny detail: it has the desktop background i used previously. Another funny detail: I had exactly the same problem when i used the previous versions of OS X and the Apple TV software...
Who can help, please!

I also have been having problems with Airplay on my 2014 Mac Mini see Mac Mini 2014 Airplay Display Disconnect Bug?
I"ve also noticed that my Apple TV (3rd Gen) does not appear in the iTunes Airplay list on my Mac Mini whereas it does on my MacBook.
I've booked a call with Apple Support for next Sunday to discuss the issue.
If I get any useful info I will pass it on.

Airplay audio from iPhone 4's iPod app stops working after a few songs

I have problems with airplaying songs from my iPhone 4 to my Apple tv.
Everything works fine but after a few songs it suddenly stops and I'm not able to switch it back on. After a few hours I'm able to airplay again but only a few songs till the problem reapears.
Streaming music from my iMac to Apple tv works flawless over wifi so it shouldn't be a network problem.

Have a look at the troubleshooting section of this article which may help
http://support.apple.com/kb/HT4437

Return key on iMac Keyboard Has Suddenly Stopped Working

I'm using an iMac purchased in April 2007 and it is using the older white Apple keyboard (model A1048).
All of a sudden, after a shutdown and a startup, the Return key has stopped working (the Enter key on the keypad still works).
Nothing was spilled on it and no one has hit it too hard. I popped off the key to check if there was anything that could explain why it wasn't working. No dirt and the key depresses properly.
I also took the keyboard over to a Dell PC running WinXP and tested it there as well. Every key worked except for the Return key.
So, my question is, is there some serious hardware flaw that basically means that I need to get a new keyboard or is there some other explanation and method for correcting the issue?

Having the same issue, would love to know if you were able to resolve it. I'm also not able to use Tab, Return, and F12 for some reason.

Booting my imac from an external firewire drive suddenly stopped working. Disk still mounts but it will not boot the machine!

I took my MacBook Pro in for repairs and erased the drive for safety AFTER having copied the entire contents to an external firewire 800 drive using SuperDuper!
The copy process made the disk bootable and I was able to boot up my iMac and run it just as if I were working on my MacBook Pro. After a couple of times working this way, the iMac stopped booting from my drive.
The drive shows up when starting up by pressing the option key but then, after a long time, the iMac shows a circle/slash symbol as if it can't find the system files.
If I restart without pressing the option key, the disk mounts on the desktop and I can use it as an external drive just fine! I tried selecting it in System Preferences as the startup disk, but the same thing happens, blank grey screen with the circle/slash.
Since this happened with a Seagat drive - a brand that has failed me in the past many times - I thought it was a disk problem. I had backed up my MacBook pro contents to another Toshiba drive, and booted from there perfectly well for a couple of times...
Until the same thing happened! Thank God I didn't trash the Seagate although it makes very faint clicking noises that will keep me far away from using it again anyway... but that's another story!
iMac runs 10.5.8, the boot disk (and my MacBook) runs on 10.6.8 if that makes any difference... And now I'm scared that when I copy back to my MacBook Pro it might not boot up at all!!!
What gives???
- MerlinCreative

You need to reinstall Snow Leopard onto the external drive:
Reinstall OS X without erasing the drive
Do the following:
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.

AirPlay mirroring from Apple devices to Apple TV not working

Hello, I just bought a Apple TV (3rd gen) the other day. I updated it to the newest firmware, but I still cant use AirPlay. I have a Macbook Pro (mid 2012) on mountain lion, a iPad 2 (ios 6.0.1), and a iTouch 4th gen (6.0.1), but I cant seem to get airplay to work on any of them. All devices are on the same wifi and airplay was turned on the ATV. On my macbook, I would go into System Prefs/displays, but would be told that no devices were detected for airplay. I have double clicked the home button on my iDevices and scroll to the left looking for the airplay button button, but nothing. I even turned on homesharing on all devices (to see if that would do anything for airplay), and made sure all devices were running the latest os. Does anyone have an idea on how I can resolve this problem?

Sorry, with my limited experience with Apple TV, I think I'm out of suggestions.
Try reading this article from Apple: http://support.apple.com/kb/TS4215?viewlocale=en_US&locale=en_US

Scan from Envy Printer to MacBook suddenly stopped working

I recently installed an HP Envy 100 printer, scanner copier. For the first week everything worked perfectly. I could print and scan wirelessly using my MacBook, iPhone, iPad or the Envy's controls themselves. Recently when I touched the "scan" icon on the Envy I was taken to the "Choose Scan Destination" as normal, then when I selected "Computer" I received this message:
"You can start a scan from your computer OR scan to your computer from the printer.
Make sure the HP printer software is installed.
Window's Only - Network Connection
In the HP printer software, enable the "Activate Scan to Computer" function.
For Mac and USB connections, the "Activate Scan to Compuer" function is automatically enabled.
Then the option to click "ok' which only returns me to the previous screen.
I used to see instead (when it was working properly) the two computers on my network and I would simply select the correct one and and the scan would wireless appear in my documents folder.
I called HP, we did all their trouble shooting and they said they could no longer help me. The suspected the problem was with my wireless network and suggest I contact apple. They also said the Envy uses Port 427 to scan wirelessly and that I should tell that to someone at apple when I am trouble shooting my airport extreme and network.
Anyone encounter the same problem and know how to fix it?

I suspect this has more to do with the fact that HP &/or Apple haven't gotten their act together to ensure that OS X Lion worked with the printer? I too bought an Envy 100 a few days ago for my daughter to take to university with her. On unboxing it at home to check it worked, we found initial set-up pretty straight forward..... but the only way we can get it to print is by having her 2010 MacBook Pro connected (NOT wireless). My 2011 MacBook Air won't connect to the printer at all, and neither will our iMac...although the latter did "briefly" show the Envy 100 as an available printer before asking for a software update which wouldn't download.
I can only assume that we are expected to sit and wait until HP &/or Apple deign to pull their fingers out; in the meantime there is ZERO information readily available from either company as to what it going on, despite the fact Apple are happy to push HP printers in-store and on-line.
I'm severely tempted just to re-box the printer and find one that, you know "just works "

My MacBook Pro (Retina, 13-inch, Late 2013) trackpad stops working intermittently on Safari. It works after closing then reopening but stops again. Curious?

While using Safari or Firefox my trackpad 2-finger scroll stops functioning after working normally. Trackpad works fine with all other applications.
Seems it might be a setting or software problem. Any resets needed?

Howdy mandasaureezy,
If I understand correctly you are unable to successfully boot past this gray sreen when using the built in monitor on your Mac unless you boot to your Boot Camp partition even after resetting your SMC and performing a Safe Boot. I would next use the troubleshooting in the following article to help resolve or isolate the issue here, named:
Mac OS X: Gray screen appears during startup
It's a pretty big article so it can be a bit daunting, but just take it step by step from the top and you should do just fine.
Thank you for using Apple Support Communities.
All the best,
Sterling

IChat suddenly stopped working

I'm on an iMac 2.8ghz Intel Duo running OS 10.4.10 connecting via Airport
After 2 years (on my iBook and then my new iMac) the iChat suddenly stopped working properly 2 days ago. It allows me to see the people in my buddy list but when I ring them for a video chat, they can't see my ringing to accept, and when they ring me, I can't see their invitation. Sometimes I can text them, but it's only worked a couple of times and then not for very long.
I thought perhaps there was something wrong with the program on my iMac, but it does the same thing on my laptop.
I called my ISP thinking it may be the modem. We reset the modem and made sure the firewall level was set to OFF, but still no difference.
I tried some of the suggestions I read here in the forum such as changing the Quicktime speed and making sure the bandwith limit was set to None, even downloaded the newest version of Flip4mac.
I'm totally baffled. I can log on, see my buddies and they see me, but we can no longer chat or IM.
Thanks for any input.

ThermoMan ?
5:07 PM Sunday; November 11, 2007

IMac (Late 2013) change 2sets of Corsair memory CMSA16GX3M2A1600C11 but always hang suddenly

My iMac (Late 2013) change 2 sets of Corsair 2x16GB memory (CMSA16GX3M2A1600C11) but always hang suddenly
I have checked it by memtest and show all ok, are any one know what the problem is? Many thanks!

Well, I only buy my RAM from one of the two most recommended RAM vendors here: OWC (macsales.com) or Crucial; not sure if the dual channel would have something to do with your problem, but I'd test with the old RAM - if it works, then it appears to be the RAM or try the Apple hardware test (run that in extended mode at least twice).
FWIW, I've not seen a positive post about Corsair; Macs have always been extremely finicky about their RAM.

Upgrading Intel Imac late 2013, to Yosemite from Mavericks

Hi, I hope you can advise me! I have a 27" iMac late 2013 2.5 gb processor and 8 gb of ram. I have the following questions though:-
1. First and most important is should I upgrade? people seem to be having lots of problems with it!
2. I have Photoshop CS5 (upgrade from CS3), will it work on Yosemite or do I have to remove it?
3. will Adobe Photoshop Lightroom 3 work on Yosemite?
4. Will Microsoft 2011 work on Yosemite?
your advice will be much appreciated as I have been toying with the idea of upgrading for a while now.
Regards and thanks in advance. Denis

On the Adobe apps, please check with Adobe to check their compatibility with Yosemite. MS Office 2011 works just fine, that much I can tell you.

HT204291 can i mirror from my iMac with OS X ?

can i mirror from my iMac with OS X ?

Welcome to the Apple Community.
AirPlay Mirroring requires a second-generation Apple TV or later, OS X 10.8 or better and is supported on the following Mac models: iMac (Mid 2011 or newer), Mac mini (Mid 2011 or newer), MacBook Air (Mid 2011 or newer), and MacBook Pro (Early 2011 or newer). It also requires the computer to be using wi-fi.

AirPlay Mirroring from my MacBook

Can I AirPlay Mirroring from my MacBook?

AirPlay
AirPlay Mirroring requires a second-generation Apple TV or later, and is supported on the following Mac models: iMac (Mid 2011 or newer), Mac mini (Mid 2011 or newer), MacBook Air (Mid 2011 or newer), and MacBook Pro (Early 2011 or newer).
Several Apple Articles Regarding AirPlay
Apple TV (2nd and 3rd gen)- How to use AirPlay Mirroring
How to set up and configure AirPort Express for AirPlay and iTunes
Troubleshooting AirPlay and AirPlay Mirroring
Using AirPlay

Persisting crashes with brand new iMac late-2013 27-inch (14,2)

Please help!!!
Last week I purchased the latest iMac late-2013 (14,2) 27 inch with everything top range directly from the Apple Online Store. My configuration in a nutshell is the iMac (of course) with wireless keyboard and magic mouse, attached to it through Thunderbolt a LaCie 5Big (10TB) external drive as well as a USB connected WD MyBook (2TB) for Time Machine and a USB3 connected WD MyPassport (2TB) for those files I want to keep mobile between my devices, all of this on OSX 10.9.1. Futher details on the hardware below:
Model Name:          iMac
Model Identifier:          iMac14,2
Processor Name:          Intel Core i7
Processor Speed:          3.5 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          8 MB
Memory:          32 GB
Boot ROM Version:          IM142.0118.B00
SMC Version (system):          2.15f2
My problem is that it keeps crashing... sometimes while doing some Final Cut X or Logic Pro X but other times while simply copying files between hard disks while Time Machine is running and everything else is closed... I can't figure out what the root cause or the particular event that triggers the crashes, thus they are quite unexpected and pretty abrupt - no warning signs at all.
I read in some of the threads that the 3rd party RAM may cause some problems but my 32Gb RAM came directly from Apple as configured while purchasing.
Here is the latest report my system gave me and I know some of you folks are pretty good figuring out what these messages mean. I will most likely get in touch with Apple support but before I do, I wanted to check with you geniuses before I spend hours on the phone with Apple support. Thank you in advance for any help you can provide.
Wed Feb 19 00:22:15 2014
panic(cpu 0 caller 0xffffff800aedc19e): Kernel trap at 0xffffff800afcae78, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000810, CR3: 0x000000008b60c064, CR4: 0x00000000001606e0
RAX: 0x00000000ffffffe9, RBX: 0x0000000000000800, RCX: 0x0000000000000069, RDX: 0x000000000000000b
RSP: 0xffffff83b9933590, RBP: 0xffffff83b99335e0, RSI: 0xffffff83b9933610, RDI: 0xffffff804907c4a8
R8: 0x000000000000000b, R9: 0x000000000000003a, R10: 0x0000000000002000, R11: 0x00000000000016fa
R12: 0xffffff83b259f008, R13: 0x000000000000000b, R14: 0x00000000000010bb, R15: 0xffffff800b4e3e90
RFL: 0x0000000000010206, RIP: 0xffffff800afcae78, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000810, Error code: 0x0000000000000000, Fault CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff83b9933220 : 0xffffff800ae22f69
0xffffff83b99332a0 : 0xffffff800aedc19e
0xffffff83b9933470 : 0xffffff800aef3606
0xffffff83b9933490 : 0xffffff800afcae78
0xffffff83b99335e0 : 0xffffff800b159277
0xffffff83b99336c0 : 0xffffff800b159b50
0xffffff83b9933860 : 0xffffff800b15a6f4
0xffffff83b99338f0 : 0xffffff800b17870d
0xffffff83b9933ac0 : 0xffffff800b1830f7
0xffffff83b9933b00 : 0xffffff800b15712b
0xffffff83b9933bb0 : 0xffffff800b156393
0xffffff83b9933da0 : 0xffffff800afff18c
0xffffff83b9933e50 : 0xffffff800afeceb6
0xffffff83b9933f50 : 0xffffff800b23de23
0xffffff83b9933fb0 : 0xffffff800aef3e06
BSD process name corresponding to current thread: Finder
Mac OS version:
13B42
Kernel version:
Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
Kernel slide:     0x000000000ac00000
Kernel text base: 0xffffff800ae00000
System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)
System uptime in nanoseconds: 5956312566589
last loaded kext at 249180514003: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8d3f1000, size 65536)
last unloaded kext at 309589856763: com.apple.filesystems.msdosfs          1.9 (addr 0xffffff7f8d3f1000, size 57344)
loaded kexts:
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.iokit.IOBluetoothSerialManager          4.2.0f6
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.AGPM          100.14.11
com.apple.driver.ApplePlatformEnabler          2.0.9d1
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleHDA          2.5.3fc1
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.driver.AppleMikeyDriver          2.5.3fc1
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleIntelHD5000Graphics          8.1.8
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.0f6
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.GeForce          8.1.8
com.apple.driver.AppleThunderboltIP          1.0.10
com.apple.driver.AppleLPC          1.7.0
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleIntelFramebufferAzul          8.1.8
com.apple.iokit.SCSITaskUserClient          3.6.0
com.apple.driver.AppleRAID          4.0.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.AppleUSBHub          650.4.4
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.4.0
com.apple.driver.AppleSDXC          1.4.0
com.apple.iokit.AppleBCM5701Ethernet          3.6.9b9
com.apple.driver.AirPort.Brcm4360          800.21.45
com.apple.driver.AppleAHCIPort          2.9.5
com.apple.driver.AppleUSBXHCI          650.4.3
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleSMBIOS          2.0
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          4.2.0f6
com.apple.driver.AppleMultitouchDriver          245.13
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.7
com.apple.driver.DspFuncLib          2.5.3fc1
com.apple.vecLib.kext          1.0.0
com.apple.iokit.IOAudioFamily          1.9.4fc11
com.apple.kext.OSvKernDSPLib          1.14
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IOSurface          91
com.apple.iokit.IOBluetoothFamily          4.2.0f6
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.0f6
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.iokit.IOAcceleratorFamily          98.7.1
com.apple.driver.AppleThunderboltEDMSink          1.2.1
com.apple.nvidia.driver.NVDAGK100Hal          8.1.8
com.apple.nvidia.driver.NVDAResman          8.1.8
com.apple.driver.AppleHDAController          2.5.3fc1
com.apple.iokit.IOHDAFamily          2.5.3fc1
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.driver.X86PlatformPlugin          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.5.1d27
com.apple.driver.AppleSMC          3.1.6d1
com.apple.iokit.IOAcceleratorFamily2          98.7.1
com.apple.AppleGraphicsDeviceControl          3.4.12
com.apple.iokit.IONDRVSupport          2.3.6
com.apple.iokit.IOGraphicsFamily          2.3.6
com.apple.iokit.IOUSBHIDDriver          650.4.4
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.0
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.0
com.apple.iokit.IOUSBMassStorageClass          3.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.0
com.apple.driver.AppleUSBComposite          650.4.0
com.apple.driver.AppleThunderboltDPOutAdapter          2.5.0
com.apple.driver.AppleThunderboltDPInAdapter          2.5.0
com.apple.driver.AppleThunderboltDPAdapterFamily          2.5.0
com.apple.driver.AppleThunderboltPCIUpAdapter          1.4.0
com.apple.driver.AppleThunderboltPCIDownAdapter          1.4.0
com.apple.iokit.IOUSBUserClient          650.4.4
com.apple.driver.AppleThunderboltNHI          1.9.2
com.apple.iokit.IOThunderboltFamily          2.8.5
com.apple.iokit.IOEthernetAVBController          1.0.3b3
com.apple.iokit.IO80211Family          600.34
com.apple.driver.mDNSOffloadUserClient          1.0.1b4
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOAHCIFamily          2.6.0
com.apple.iokit.IOUSBFamily          650.4.4
com.apple.driver.AppleEFINVRAM          2.0
com.apple.iokit.IOHIDFamily          2.0.0
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          278.10
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          21
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.8
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, 0x02FE, 0x45424A3831554738454655352D474E4C2D46
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x02FE, 0x45424A3831554738454655352D474E4C2D46
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x02FE, 0x45424A3831554738454655352D474E4C2D46
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x02FE, 0x45424A3831554738454655352D474E4C2D46
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x111), Broadcom BCM43xx 1.0 (6.30.223.154.45)
Bluetooth: Version 4.2.0f6 12982, 3 services, 23 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
PCI Card: pci10b5,8609, Thunderbolt@10,0,1
PCI Card: pci1b21,612, AHCI Controller, Thunderbolt@14,0,0
PCI Card: pci1b21,612, AHCI Controller, Thunderbolt@13,0,0
PCI Card: pci1b21,612, AHCI Controller, Thunderbolt@12,0,0
Serial ATA Device: APPLE SSD SM0512F, 500.28 GB
Serial ATA Device: ST2000DM001-1CH164, 2 TB
Serial ATA Device: ST2000DM001-1CH164, 2 TB
Serial ATA Device: ST2000DM001-1CH164, 2 TB
Serial ATA Device: ST2000DM001-1CH164, 2 TB
Serial ATA Device: ST2000DM001-1CH164, 2 TB
USB Device: My Passport 0748
USB Device: FaceTime HD Camera (Built-in)
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: My Book
Thunderbolt Bus: iMac, Apple Inc., 23.10
Thunderbolt Device: 5big SR, LaCie, 3, 26.2

Oh. You didn't 'splain that. In this case here's a suggestion for a start:
Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
     Note: You will need an active Internet connection. I suggest using Ethernet
                 if possible because it is three times faster than wireless.
You may want to do a hardware test to determine if there is a hardware failure:
How to invoke and interpret the Apple hardware tests | MacFixIt - CNET Reviews
Using Apple Hardware Test

Corsair Ram for iMac late 2013

Hi,
I got a new iMac 27" late 2013, and bought 32GB Ram somewhere else. It's 4x8GB Corsair Mac Memory DDR3 1600MHz PC3 12800 (CMSA16GX3M2A1600C11).
I got several Kernel Panics, but only with the Corsair Ram. Everything seems to work fine if I use the original 8GB hynix.
Memtest shows no problems with the Corsair Rams at all...
My questions: Am I right to suggest that the Corsair Ram is causing the Problem, altough memtest shows no problems? If yes, should I return the faulty RAMs and get the same as replacement or would you suggest different RAMs? If yes, which ones?
Here's the Diagnostic Report from after the last Kernel Panic:
Anonymous UUID:       B41D8F51-638A-AA62-E770-626E252617F1
Sat Mar 8 09:57:06 2014
panic(cpu 0 caller 0xffffff8007edbe2e): Kernel trap at 0xffffff8005e32eb0, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0xffffff8005e32eb0, CR3: 0x000000000ab84000, CR4: 0x00000000001606e0
RAX: 0xffffff800845b558, RBX: 0xffffff8045666b20, RCX: 0xffffff80084fdbb8, RDX: 0x00000000000007dd
RSP: 0xffffff83af9a3e98, RBP: 0xffffff83af9a3ee0, RSI: 0x000000037dee4359, RDI: 0xffffff8045cf5e30
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0x0000000000000000, R11: 0x0000000000000000
R12: 0xffffff80084d2ab8, R13: 0xffffff8045cf5e30, R14: 0xffffff8045cf5e30, R15: 0xffffff8045cf5f78
RFL: 0x0000000000010002, RIP: 0xffffff8005e32eb0, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0xffffff8005e32eb0, Error code: 0x0000000000000010, Fault CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff83af9a3b20 : 0xffffff8007e22fa9
0xffffff83af9a3ba0 : 0xffffff8007edbe2e
0xffffff83af9a3d70 : 0xffffff8007ef3326
0xffffff83af9a3d90 : 0xffffff8005e32eb0
0xffffff83af9a3ee0 : 0xffffff8007e367da
0xffffff83af9a3f70 : 0xffffff8007e35d8c
0xffffff83af9a3fb0 : 0xffffff8007ed6ff7
BSD process name corresponding to current thread: kernel_task
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:     0x0000000007c00000
Kernel text base: 0xffffff8007e00000
System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)
System uptime in nanoseconds: 2461350102704
last loaded kext at 80515924157: com.apple.filesystems.udf          2.5 (addr 0xffffff7f887e4000, size 270336)
loaded kexts:
org.pqrs.driver.KeyRemap4MacBook          9.3.0
com.iospirit.driver.rbiokithelper          1.21
org.virtualbox.kext.VBoxUSB          4.2.6
org.virtualbox.kext.VBoxDrv          4.2.6
com.seagate.driver.PowSecLeafDriver_10_5          5.1.1
com.seagate.driver.PowSecDriverCore          5.1.1
com.apple.filesystems.udf          2.5
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.driver.AudioAUUC          1.60
com.apple.iokit.IOBluetoothSerialManager          4.2.3f10
com.apple.driver.AppleIRController          4000
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleGraphicsDevicePolicy          3.4.35
com.apple.driver.AGPM          100.14.15
com.apple.driver.ApplePlatformEnabler          2.0.9d1
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleIntelMCEReporter          104
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleMikeyDriver          2.6.0f1
com.apple.driver.AppleHDAHardwareConfigDriver          2.6.0f1
com.apple.driver.AppleHDA          2.6.0f1
com.apple.driver.AppleIntelHD5000Graphics          8.2.4
com.apple.iokit.IOBluetoothUSBDFU          4.2.3f10
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.AppleThunderboltIP          1.1.2
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.GeForce          8.2.4
com.apple.driver.AppleIntelFramebufferAzul          8.2.4
com.apple.driver.AppleLPC          1.7.0
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.nvidia.NVDAStartup          8.2.4
com.apple.iokit.IOUSBAttachedSCSI          1.0.5
com.apple.iokit.SCSITaskUserClient          3.6.6
com.apple.driver.AppleUSBODD          3.4.1
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.AppleACPIButtons          2.0
com.apple.driver.AppleRTC          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.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.IOSerialFamily          10.0.7
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.driver.DspFuncLib          2.6.0f1
com.apple.vecLib.kext          1.0.0
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.driver.X86PlatformPlugin          1.0.0
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleGraphicsControl          3.4.35
com.apple.driver.AppleThunderboltEDMSink          2.1.3
com.apple.driver.AppleHDAController          2.6.0f1
com.apple.iokit.IOHDAFamily          2.6.0f1
com.apple.iokit.IOAcceleratorFamily          98.14
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.iokit.IOAcceleratorFamily2          98.14
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.nvidia.driver.NVDAGK100Hal          8.2.4
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.nvidia.driver.NVDAResman          8.2.4
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.iokit.IOUSBHIDDriver          660.4.0
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.6
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
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.iokit.IOUSBMassStorageClass          3.6.0
com.apple.driver.AppleUSBComposite          656.4.1
com.apple.driver.CoreStorage          380
com.apple.iokit.IOUSBUserClient          660.4.2
com.apple.iokit.IOFireWireSBP2          4.2.6
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.6
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6
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.pthread          1
com.apple.kec.corecrypto          1.0
System Profile:
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, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
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: AirPort, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: Backup+ Desk
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: FaceTime HD Camera (Built-in)
USB Device: USB 2.0 Hub
USB Device: EyeTV Hybrid
USB Device: Apple USB SuperDrive
Thunderbolt Bus: iMac, Apple Inc., 23.10
Thanks in advance for your answers!
Lord Gallifrey

I'd like to Order via Amazon (it's the easiest way for me) but I'm not sure which one.
Would someone help me to decide?
This one seems to be officially compatible with the iMac late 2013: http://www.amazon.de/Crucial-memory-PC3-12800-1600MHz-Macbook/dp/B008LXX9OC
But this one is cheaper, and the technical Data seems to be the same, but I read already bad ratings about them: http://www.amazon.de/gp/product/B008PSEHAS/

Airplay mirroring from my iMac (late 2013) suddenly stop working.

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