Random crashes iMac mid 2011

Hello fellow iMac users.
I’ve been experiencing random crashes/application crashes on my mid-2011 iMac for the last three months or so. I’ve taken the computer to my local Apple store twice, but the Geniuses there weren’t able to identify the problem after running their various diagnostic tools.
In addition, I have:
reformatted my hard disk and reinstalled all software from scratch;
updated to Mavericks;
removed one set of 2x 4GB RAM chips (purchased in mid 2013 from Apple online store), leaving original 2x4GB RAM;
removed original 2x4GB RAM chips and reinserted 2x4GB RAM purchased in mid 2013 from Apple online store;
restored all 16GB RAM;
run iMac diagnostics, disk utility, etc.
Following is the latest crash report. I would be most grateful if anyone could provide insight on what the problem might be related to:
faulty software (I was running Office 2011 for Mac, Parallels, and Safari at time of latest crash)?;
faulty RAM?;
hard-disk;
graphics card;
CPU…
Many thanks in advance for any help and advice.
Anonymous UUID:       6FDA8D42-C953-AE8B-0FDD-EDC9906DF895
Fri Jan 10 10:57:52 2014
panic(cpu 4 caller 0xffffff80068dc19e): Kernel trap at 0xffffff80069c632e, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000098, CR3: 0x0000000008637001, CR4: 0x00000000000606e0
RAX: 0xffffff81cd513c80, RBX: 0xffffff803fcd4870, RCX: 0x0000000000000080, RDX: 0xffffff8026fb0120
RSP: 0xffffff81cd513c50, RBP: 0xffffff81cd513cb0, RSI: 0x0000000000000000, RDI: 0xffffff8026fb0120
R8: 0x0000000000000001, R9: 0x0000000000000000, R10: 0x0000000000002000, R11: 0x000000000000001e
R12: 0xffffff803fcd48c2, R13: 0xffffff803fcd48f0, R14: 0xffffff8006d20913, R15: 0x0000000000000001
RFL: 0x0000000000010202, RIP: 0xffffff80069c632e, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000098, Error code: 0x0000000000000002, Fault CPU: 0x4
Backtrace (CPU 4), Frame : Return Address
0xffffff81cd5138e0 : 0xffffff8006822f69
0xffffff81cd513960 : 0xffffff80068dc19e
0xffffff81cd513b30 : 0xffffff80068f3606
0xffffff81cd513b50 : 0xffffff80069c632e
0xffffff81cd513cb0 : 0xffffff8006b864bb
0xffffff81cd513d20 : 0xffffff8006b76abb
0xffffff81cd513d50 : 0xffffff80069d865d
0xffffff81cd513dc0 : 0xffffff8006b76888
0xffffff81cd513e70 : 0xffffff80069fa016
0xffffff81cd513ea0 : 0xffffff80069e46b3
0xffffff81cd513ed0 : 0xffffff80069dda6a
0xffffff81cd513f40 : 0xffffff80069e4657
0xffffff81cd513f50 : 0xffffff8006c3de23
0xffffff81cd513fb0 : 0xffffff80068f3e06
BSD process name corresponding to current thread: launchd
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:     0x0000000006600000
Kernel text base: 0xffffff8006800000
System model name: iMac12,1 (Mac-942B5BF58194151B)
System uptime in nanoseconds: 258633199083929
last loaded kext at 160846716754784: com.parallels.filesystems.prlufs          2010.12.28 (addr 0xffffff7f88dbb000, size 94208)
last unloaded kext at 157872710889907: com.parallels.filesystems.prlufs          2010.12.28 (addr 0xffffff7f88dbb000, size 90112)
loaded kexts:
com.parallels.filesystems.prlufs          2010.12.28
com.parallels.kext.vnic          9.0 24172.951362
com.parallels.kext.netbridge          9.0 24172.951362
com.parallels.kext.hidhook          9.0 24172.951362
com.parallels.kext.hypervisor          9.0 24172.951362
com.parallels.kext.usbconnect          9.0 24172.951362
com.apple.filesystems.smbfs          2.0.0
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AppleBluetoothMultitouch          80.14
com.apple.driver.AGPM          100.14.11
com.apple.filesystems.autofs          3.0
com.apple.iokit.IOBluetoothSerialManager          4.2.0f6
com.apple.driver.AppleMikeyHIDDriver          124
com.apple.driver.AppleHDA          2.5.3fc1
com.apple.driver.AppleUpstreamUserClient          3.5.13
com.apple.kext.AMDFramebuffer          1.1.4
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleMikeyDriver          2.5.3fc1
com.apple.driver.AppleIntelHD3000Graphics          8.1.8
com.apple.AMDRadeonX3000          1.1.4
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.driver.AppleLPC          1.7.0
com.apple.kext.AMD6000Controller          1.1.4
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleSMCLMU          2.0.4d1
com.apple.driver.AppleIntelSNBGraphicsFB          8.1.8
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.0f6
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleHWAccess          1
com.apple.driver.AppleThunderboltIP          1.0.10
com.apple.iokit.SCSITaskUserClient          3.6.0
com.apple.driver.AppleUSBCardReader          3.3.5
com.apple.driver.AppleIRController          325.7
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.4.0
com.apple.driver.AppleUSBHub          650.4.4
com.apple.iokit.AppleBCM5701Ethernet          3.6.9b9
com.apple.driver.AirPort.Atheros40          700.74.5
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AppleAHCIPort          2.9.5
com.apple.driver.AppleUSBEHCI          650.4.1
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.driver.AppleIntelCPUPowerManagementClient          216.0.0
com.apple.nke.applicationfirewall          153
com.apple.security.quarantine          3
com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.5.1
com.apple.iokit.IOFireWireSBP2          4.2.5
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.iokit.IOSurface          91
com.apple.iokit.IOAcceleratorFamily          98.7.1
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.iokit.IOBluetoothFamily          4.2.0f6
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.3.6
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.kext.AMDSupport          1.1.4
com.apple.AppleGraphicsDeviceControl          3.4.12
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.0f6
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.5.1d27
com.apple.driver.AppleHDAController          2.5.3fc1
com.apple.iokit.IOGraphicsFamily          2.3.6
com.apple.iokit.IOHDAFamily          2.5.3fc1
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleSMC          3.1.6d1
com.apple.driver.AppleThunderboltEDMSink          1.2.1
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.driver.AppleUSBHIDKeyboard          170.15
com.apple.driver.AppleHIDKeyboard          170.15
com.apple.iokit.IOAHCISerialATAPI          2.6.0
com.apple.driver.AppleThunderboltDPOutAdapter          2.5.0
com.apple.driver.AppleThunderboltDPInAdapter          2.5.0
com.apple.driver.AppleThunderboltDPAdapterFamily          2.5.0
com.apple.driver.AppleThunderboltPCIDownAdapter          1.4.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.0
com.apple.iokit.IOUSBMassStorageClass          3.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.0
com.apple.iokit.IOUSBHIDDriver          650.4.4
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.driver.AppleUSBComposite          650.4.0
com.apple.driver.AppleThunderboltNHI          1.9.2
com.apple.iokit.IOThunderboltFamily          2.8.5
com.apple.iokit.IOUSBUserClient          650.4.4
com.apple.iokit.IOEthernetAVBController          1.0.3b3
com.apple.driver.mDNSOffloadUserClient          1.0.1b4
com.apple.iokit.IO80211Family          600.34
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOAHCIFamily          2.6.0
com.apple.iokit.IOUSBFamily          650.4.4
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          278.10
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: iMac12,1, BootROM IM121.0047.B1F, 4 processors, Intel Core i7, 2.8 GHz, 16 GB, SMC 1.71f21
Graphics: AMD Radeon HD 6770M, AMD Radeon HD 6770M, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333531533642465238432D48392020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333531533642465238432D48392020
Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353237334348302D4348392020
Memory Module: BANK 1/DIMM1, 4 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353237334348302D4348392020
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A), Atheros 9380: 4.0.74.0-P2P
Bluetooth: Version 4.2.0f6 12982, 3 services, 23 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: ST31000528AS, 1 TB
Serial ATA Device: HL-DT-STDVDRW GA32N
USB Device: Hub
USB Device: Keyboard Hub
USB Device: Apple Keyboard
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: MX450 series
USB Device: IR Receiver
USB Device: Internal Memory Card Reader
FireWire Device: GoFlex Pro Mac, Seagate, Up to 800 Mb/sec
Thunderbolt Bus: iMac, Apple Inc., 22.1

BDAqua wrote:
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), ...
I used the shift key to boot and had it running for 4 hours and the gray progress bar never got past about 20%. That said I never got into a working safe mode.
I did however boot from the recovery drive and did the fix permissions and fix drive options. Drive check said drive looking good. Permission check showed about 5 permission issues which it was able to fix.
Restarting the system just takes ages and the harddrive keeps crunches away (not a clicking which would be an easy indicator for a bad hard drive). At 20GB Ram this is an odd behavior.
BDAqua wrote:
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Removing crap as I go. Removed everything but Flash Player and Wacom Tablet.
BDAqua wrote:
1. /private/var/run/StartupItems
2. /Library/StartupItems
3. /System/Library/StartupItems
4. /System/Library/LaunchDaemons
5. /Library/LaunchDaemons
1. negative,
2. Shows VirtualBox, removing it right now - removed
3. negative
4. cleaned of unwanted files
5. cleaned of unwanted files
Kind of reminds me dealing with a Windows PC before I swapped to apple. Just wasting time. Time wasted: 5 hours. Is like a second job, unpaid.
Thanks for the help now I have to see if this has any positive effect. Will keep you posted.
Thanks,
PixelGrinch

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Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          6 MB
Memory:          4 GB
Boot ROM Version:          IM121.0047.B1F
SMC Version (system):          1.71f22

Try a
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
The 5 second timing is important to a successful reset.
There is also a possibility the switch in the headphone jack is stuck. There is a tiny red light that you will see inside the jack if the switch is stuck on.

Continuity and iMac mid 2011

Hi everybody: can anyone confirm that Continuity features are definitely NOT working on iMac mid 2011 (my Mac) ? thank you in advance

Hi,
the Continuity features don't work definetly on iMac mid 2011, unfortunately. Only iPhone-Calls can be answered. I tried it out. If you don't see the handoff button in <system preferences - general> (the handoff option button must be visible below the <used objekts> and above the <LCD> option buttons), you don't have the feature on your machine. And it won't be.
Sorry.
regards
raphael

Airplay menulet has disappeared from menu bar. Specs: OS X 10.8.2; iMac Mid-2011. Anyone else having this issue? What was your fix?

Specs: OS X 10.8.2; iMac Mid-2011.
Anyone else having this issue? What wasyour fix?

Thanks for the reply, but I did a silly thing - or didn't do due diligence:
After updating my AppleTV its setting for Airplay was set to "off". I just reset it to "on" and all is well in my Airplay-world.
However, thanks to you, I now know how to getting to the Airplay settings - didn't know that before.

Overheating Troubleshooting for 21.5 iMac (mid 2011)?

I have been having issues lately with my 21.5" iMac (mid 2011). It was purchased in June 2011 and is currently running the latest version of OS X.
This issue I am having is that once the computer has been is use for a few minutes (usually around 5-10...depending on usage type), the computer will freeze up and make clicking noises and is very warm to the touch. Specifically, I will be unable to do anything and the cursor will pinwheel. I can usually move the cursor around, but cannot click anything. During the "freeze", there are clicking noises. The clicking is in groups of twos....like Click...Click.....pause for a few seconds, Click.....Click, etc.... The noise sounds like it is coming from around the center bottom of the computer...maybe near or around where the base connects. It sounds like it may be a drive starting and stopping, or a fan stopping and starting....I don't know?....it's a mechanical type clicking it seems. It will freeze for extended periods of time (minutes) then you can usually do something else, but it will just happen again. Sometimes, you have to shut the computer down and when you do it takes forever to boot back up.
Any ideas on what may be causing this or what I can do to troubleshoot the cause? I'm too far away from an Apple Store to just casually take it in to have it looked at.
Thanks.

It sounds very likely that the hard drive will require replacement. If you're not comfortable doing the removal and replacement, you'll just have to take it to an Apple authorized service provider to have the drive replaced.
As noted in the tutorial link Old Toad provided, OEM Apple hard drives for the iMac have an internal temperature sensor that is not present in non-OEM Apple models. If you use a non-OEM Apple drive, with the original Apple cable, it's very likely the fans will run at high speed 6000 rpm once the system warms up after power-on.
Replacing a mid-2011 iMac hard drive even WITH a proper sensor cable still requires a few tools and some significant disassembly, including the removal and temporary storage of the LED screen in a relatively dust-free environment, and disconnecting a number of cables in order to replace the drive before subsequent re-assembly.
Other World Computing (www.macsales.com) offers (both hard drives and) a hard drive cable with a thermal sensor that mimics the function of the sensor present in the OEM Apple hard drives. OWC updated both the cable and their original YouTube video for mid-2011 iMac 21.5" hard drive replacement in March 2014: http://www.youtube.com/watch?v=rLuk_8w7KwU
The OWC replacement cable allows you to select most any 3.5" hard drive and still have proper 'factory' fan operation, so the fans aren't racing at full speed all the time.
The full OWC toolkit complete with sensor cable is here: http://eshop.macsales.com/item/OWC/DIYIMACHDD11/
The OWC sensor cable only is here: http://eshop.macsales.com/item/OWC/DIDIMACHDD11/
Then you still need to select and purchase a 3.5" internal hard drive.
I've used OWC for a number of upgrades to the three Macs in our family: mid-2007 MacBook, mid-2009 Unibody MacBook Pro, and mid-2011 iMac. I'm planning to do a hard-drive upgrade to my mid-2011 iMac using the OWC cable, once the AppleCare warranty expires.

Random crashes iMac mid 2011

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