Baseline 2011 iMac and Thunderbolt display

Hi,
I'm thinking of maybe in the future buying a thunderbolt/ cinema display. So, will the graphics card in my iMac (the Radeon HD 6750M 512MB) be able to handle the resolution, without any lag?
Thank you in advance!

Something sounds not right with the iMac. Try this:
Open System preferences, select Displays.
Once inside Displays, select "Detect displays." Hopefully the second screen will light up.
Another similar thing to try is to sleep the iMac, then connect the second display, then wake it up.
If none of these shows the second display, then the iMac might need service.

Similar Messages

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    When I press the Command + F2, the iMac screen becomes a secondary for the MacBook Pro, and the Thunderbolt Display becomes the primary screen for the iMac.  I was hoping that both screens would become secondaries for the MacBook Pro.  Does anyone know how I should proceed?  I have tried to connect the Thunderbolt display directly to the MacBook Pro, and the iMac to the Thunderbolt Display via the separate Thunderbolt cable, but there was no difference.  And since the MacBook Pro only has the one Thunderbolt port, I'm not sure how to proceed.

    Yes, eww, the language definitely states two thunderbolt displays, but I can understand the confusion and was siding with how they could make the mistake to think it would work like they want it to. My appologies for not being clear on that point, but I think you make it clear that the language in the ad says nothing about an imac.
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  • IMac and Thunderbolt display connectivity

    Hello everybody,
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    http://support.apple.com/kb/DL1451
    I found this update on apple - but can't use it as I have 10.7.3 version of osX.
    My data for thunderbolt display:
    Thunderbolt Display:
      Vendor Name:          Apple, Inc.
      Device Name:          Thunderbolt Display
      Vendor ID:          0x1
      Device ID:          0x8002
      Device Revision:          0x1
      UID:          0x0001000100170ED0
      Firmware Version:          22.2
      Port:
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      Link Status:          2/1
      Port Micro Firmware Version:          0.0.21
      Cable Micro Firmware Version:          0.1.18
      Port:
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      Link Status:          7
      Super Port Micro Firmware Version:          0.0.21
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  • 27" Cinema display goes black, connected to Mid 2011 iMac w/thunderbolt connections.

    I bought a used 27" Cinema Display (A1316) and had it connected to my Mid 2011 iMac with thunderbolt connections.  The screen goes black but I can still get audio through its speakers.  Do I need to replace the cable bundle?  Help please!
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    Hi levifromhenderson,
    Thanks for using Apple Support Communities. Based on what you stated, it sounds like trouble with an external display. I would recommend that you read this article, it may be able to help the issue.
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    Reset the system
    You can reset the Mac's parameter RAM and SMC.
    Cheers,
    Mario

  • Macbook pro 17 inch primo 2011 and thunderbolt display crashes

    I have a Macbook pro 17 inch primo 2011 and thunderbolt display which has recently started to crash.
    Only modifications I have doen lately is I swapped the CD/DVD drive for a harddrive and put in 16 GB of ram
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    When it crashes it either gives me a blue screen, a black screen or a distorts everythings and freeze up.
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    and without plugging it in my laptop works fine.
    I have done a SMC reset also but that has not resolved my issue.
    Below is the crash report and if anybody has any suggestions what to do to resolve this please let me know
    My thunderbolt display was purchased in late 2011
    If this is not solveable what options do I have ?
    Thanks !
    Interval Since Last Panic Report:  2527129 sec
    Panics Since Last Report:          6
    Anonymous UUID:                    5309BD58-3CBB-321E-545E-6EE6BED7E0E2
    Tue Feb  5 17:02:21 2013
    Machine-check capabilities 0x0000000000000c09:
    family: 6 model: 42 stepping: 7 microcode: 26
    Intel(R) Core(TM) i7-2720QM CPU @ 2.20GHz
    9 error-reporting banks
    threshold-based error status present
    extended corrected memory error handling present
    Processor 0: machine-check status 0x0000000000000004:
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0x0000000000000000 invalid
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0xbe00000000800400 valid
      MCA error code:            0x0400
      Model specific error code: 0x0080
      Other information:         0x00000000
      Threshold-based status:    Undefined
      Status bits:
       Processor context corrupt
       ADDR register valid
       MISC register valid
       Error enabled
       Uncorrected error
    IA32_MC3_ADDR(0x40e): 0x00003f7f85769a95
    IA32_MC3_MISC(0x40f): 0x000000000003ffff
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    IA32_MC7_STATUS(0x41d): 0x0020000000000000 invalid
    IA32_MC8_STATUS(0x421): 0x0020000000000000 invalid
    Processor 1: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0x0000000000000000 invalid
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0xbe00000000800400 valid
      MCA error code:            0x0400
      Model specific error code: 0x0080
      Other information:         0x00000000
      Threshold-based status:    Undefined
      Status bits:
       Processor context corrupt
       ADDR register valid
       MISC register valid
       Error enabled
       Uncorrected error
    IA32_MC3_ADDR(0x40e): 0x00003f7f85769a95
    IA32_MC3_MISC(0x40f): 0x000000000003ffff
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    IA32_MC7_STATUS(0x41d): 0x0020000000000000 invalid
    Package 0 logged:
    IA32_MC8_STATUS(0x421): 0x0020000000000000 invalid
    Processor 2: no valid machine-check state
    Processor 3: no valid machine-check state
    Processor 4: machine-check status 0x0000000000000004:
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0x0000000000000000 invalid
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0xbe00000000800400 valid
      MCA error code:            0x0400
      Model specific error code: 0x0080
      Other information:         0x00000000
      Threshold-based status:    Undefined
      Status bits:
       Processor context corrupt
       ADDR register valid
       MISC register valid
       Error enabled
       Uncorrected error
    IA32_MC3_ADDR(0x40e): 0x00003f7f85fa3e1f
    IA32_MC3_MISC(0x40f): 0x000000000003ffff
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    IA32_MC7_STATUS(0x41d): 0x0020000000000000 invalid
    IA32_MC8_STATUS(0x421): 0x0020000000000000 invalid
    Processor 5: machine-check status 0x0000000000000005:
    restart IP valid
    machine-check in progress
    MCA error-reporting registers:
    IA32_MC0_STATUS(0x401): 0x0000000000000000 invalid
    IA32_MC1_STATUS(0x405): 0x0980000000000000 invalid
    IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
    IA32_MC3_STATUS(0x40d): 0xbe00000000800400 valid
      MCA error code:            0x0400
      Model specific error code: 0x0080
      Other information:         0x00000000
      Threshold-based status:    Undefined
      Status bits:
       Processor context corrupt
       ADDR register valid
       MISC register valid
       Error enabled
       Uncorrected error
    IA32_MC3_ADDR(0x40e): 0x00003f7f85fa3e1f
    IA32_MC3_MISC(0x40f): 0x000000000003ffff
    IA32_MC4_STATUS(0x411): 0x0000000000000000 invalid
    IA32_MC5_STATUS(0x415): 0x0020000000000000 invalid
    IA32_MC6_STATUS(0x419): 0x0020000000000000 invalid
    IA32_MC7_STATUS(0x41d): 0x0020000000000000 invalid
    IA32_MC8_STATUS(0x421): 0x0020000000000000 invalid
    Processor 6: no valid machine-check state
    Processor 7: no valid machine-check state
    panic(cpu 0 caller 0xffffff80048b83c9): "Machine Check at 0xffffff7f85769a95, registers:\n" "CR0: 0x000000008001003b, CR2: 0x000000010cd0e30c, CR3: 0x00000000072b4000, CR4: 0x00000000000606e0\n" "RAX: 0xffffff802516f800, RBX: 0xffffff802516f800, RCX: 0xffffff80253ab800, RDX: 0x0000000000000001\n" "RSP: 0xffffff8207ad3e90, RBP: 0xffffff8207ad3ec0, RSI: 0xffffff8207ad3edf, RDI: 0xffffff802520e000\n" "R8:  0xffffff8004ebec60, R9:  0x7fffffffffffff00, R10: 0xffffff8004ebdc20, R11: 0x0000000000000201\n" "R12: 0xffffff80253ab800, R13: 0xffffff81d60d2000, R14: 0xffffff8207ad3edf, R15: 0xffffff802520e000\n" "RFL: 0x0000000000010282, RIP: 0xffffff7f85769a95, CS:  0x0000000000000008, SS:  0x0000000000000010\n" "Error code: 0x0000000000000000\n"@/SourceCache/xnu/xnu-2050.18.24/osfmk/i386/trap_native.c: 280
    Backtrace (CPU 0), Frame : Return Address
    0xffffff800470bd20 : 0xffffff800481d626
    0xffffff800470bd90 : 0xffffff80048b83c9
    0xffffff800470bf00 : 0xffffff80048cedbf
    0xffffff8207ad3ec0 : 0xffffff7f856d75b4
    0xffffff8207ad3ef0 : 0xffffff8004c472a8
    0xffffff8207ad3f30 : 0xffffff8004c45daa
    0xffffff8207ad3f80 : 0xffffff8004c45ed9
    0xffffff8207ad3fb0 : 0xffffff80048b26b7
          Kernel Extensions in backtrace:
             com.apple.driver.AirPort.Brcm4331(602.15.22)[5BDCA43F-AD42-3F05-BCCF-BC364D17E1 5F]@0xffffff7f856ca000->0xffffff7f858bbfff
                dependency: com.apple.iokit.IOPCIFamily(2.7.2)[B1B77B26-7984-302F-BA8E-544DD3D75E73]@0xffff ff7f84e72000
                dependency: com.apple.iokit.IO80211Family(500.15)[4282DF5A-86B9-3213-B9B1-675FAD842A94]@0xf fffff7f8565e000
                dependency: com.apple.iokit.IONetworkingFamily(3.0)[28575328-A798-34B3-BD84-D708138EBD17]@0 xffffff7f85015000
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    12C60
    Kernel version:
    Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64
    Kernel UUID: 69A5853F-375A-3EF4-9247-478FD0247333
    Kernel slide:     0x0000000004600000
    Kernel text base: 0xffffff8004800000
    System model name: MacBookPro8,3 (Mac-942459F5819B171B)
    System uptime in nanoseconds: 6197670207287
    last loaded kext at 6133447331639: com.apple.driver.AppleUSBCDC          4.1.22 (addr 0xffffff7f86cb5000, size 16384)
    last unloaded kext at 5379727445407: com.apple.driver.AppleUSBCDC          4.1.22 (addr 0xffffff7f86cb2000, size 12288)
    loaded kexts:
    com.apple.driver.AppleUSBCDC          4.1.22
    com.apple.iokit.SCSITaskUserClient          3.5.1
    com.apple.filesystems.smbfs          1.8
    com.apple.filesystems.afpfs          10.0
    com.apple.nke.asp_tcp          7.0.0
    com.apple.driver.AudioAUUC          1.60
    com.apple.driver.AppleHWSensor          1.9.5d0
    com.apple.filesystems.autofs          3.0
    com.apple.filesystems.ntfs          3.10
    com.apple.iokit.IOBluetoothSerialManager          4.0.9f33
    com.apple.driver.AGPM          100.12.69
    com.apple.driver.AppleMikeyHIDDriver          122
    com.apple.driver.AppleHDA          2.3.1f2
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.ApplePolicyControl          3.2.11
    com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f33
    com.apple.driver.AppleUpstreamUserClient          3.5.10
    com.apple.driver.AppleIntelHD3000Graphics          8.0.0
    com.apple.driver.AppleMCCSControl          1.0.33
    com.apple.kext.AMDFramebuffer          8.0.0
    com.apple.driver.SMCMotionSensor          3.0.2d6
    com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
    com.apple.driver.AppleMikeyDriver          2.3.1f2
    com.apple.driver.AppleLPC          1.6.0
    com.apple.driver.AppleSMCLMU          2.0.2d0
    com.apple.AMDRadeonAccelerator          1.0.0
    com.apple.driver.AppleSMCPDRC          1.0.0
    com.apple.driver.AppleMuxControl          3.2.11
    com.apple.driver.AppleIntelSNBGraphicsFB          8.0.0
    com.apple.driver.AppleUSBTCButtons          235.4
    com.apple.driver.AppleUSBTCKeyboard          235.4
    com.apple.driver.AppleIRController          320.15
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          34
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCIBlockStorage          2.2.2
    com.apple.driver.AppleUSBHub          5.2.5
    com.apple.iokit.AppleBCM5701Ethernet          3.2.5b3
    com.apple.driver.AirPort.Brcm4331          602.15.22
    com.apple.driver.AppleFWOHCI          4.9.6
    com.apple.driver.AppleAHCIPort          2.4.1
    com.apple.driver.AppleUSBEHCI          5.4.0
    com.apple.driver.AppleEFINVRAM          1.6.1
    com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    com.apple.driver.AppleACPIButtons          1.6
    com.apple.driver.AppleRTC          1.5
    com.apple.driver.AppleHPET          1.7
    com.apple.driver.AppleSMBIOS          1.9
    com.apple.driver.AppleACPIEC          1.6
    com.apple.driver.AppleAPIC          1.6
    com.apple.nke.applicationfirewall          4.0.39
    com.apple.security.quarantine          2
    com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.1
    com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.1
    com.apple.iokit.IOFireWireSBP2          4.2.0
    com.apple.security.SecureRemotePassword          1.0
    com.apple.kext.triggers          1.0
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
    com.apple.iokit.IOSerialFamily          10.0.6
    com.apple.driver.DspFuncLib          2.3.1f2
    com.apple.iokit.IOAudioFamily          1.8.9fc10
    com.apple.kext.OSvKernDSPLib          1.6
    com.apple.iokit.IOSurface          86.0.3
    com.apple.iokit.IOBluetoothFamily          4.0.9f33
    com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f33
    com.apple.driver.IOPlatformPluginLegacy          1.0.0
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleSMC          3.1.4d2
    com.apple.iokit.IOAcceleratorFamily          19.0.26
    com.apple.kext.AMD6000Controller          8.0.0
    com.apple.kext.AMDSupport          8.0.0
    com.apple.driver.AppleHDAController          2.3.1f2
    com.apple.iokit.IOHDAFamily          2.3.1f2
    com.apple.driver.IOPlatformPluginFamily          5.2.0d16
    com.apple.driver.AppleGraphicsControl          3.2.11
    com.apple.driver.AppleBacklightExpert          1.0.4
    com.apple.iokit.IONDRVSupport          2.3.5
    com.apple.iokit.IOGraphicsFamily          2.3.5
    com.apple.iokit.IOFireWireIP          2.2.5
    com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
    com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
    com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
    com.apple.driver.AppleUSBMultitouch          235.7
    com.apple.iokit.IOUSBHIDDriver          5.2.5
    com.apple.driver.AppleUSBMergeNub          5.2.5
    com.apple.driver.AppleUSBComposite          5.2.5
    com.apple.driver.CoreStorage          274.7
    com.apple.driver.AppleThunderboltNHI          1.6.0
    com.apple.iokit.IOThunderboltFamily          2.1.1
    com.apple.iokit.IOUSBUserClient          5.2.5
    com.apple.iokit.IOEthernetAVBController          1.0.2b1
    com.apple.iokit.IO80211Family          500.15
    com.apple.iokit.I
    Model: MacBookPro8,3, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.2 GHz, 16 GB, SMC 1.70f5
    Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
    Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
    Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F384758334D314131333333433920
    Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F384758334D314131333333433920
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.81.22)
    Bluetooth: Version 4.0.9f33 10885, 2 service, 11 devices, 1 incoming serial ports
    Network Service: AirPort, AirPort, en1
    Serial ATA Device: APPLE SSD TS256C, 251 GB
    Serial ATA Device: ST750LX003-1AC154, 750,16 GB
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 3
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0246, 0xfa120000 / 5
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 6
    USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 2
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: USB Receiver, 0x046d  (Logitech Inc.), 0xc51b, 0xfd130000 / 5
    USB Device: iPhone, apple_vendor_id, 0x12a0, 0xfd120000 / 4
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3
    FireWire Device: My Book 111D, WD, 800mbit_speed

    The other day I got the blue screen, the fan going on high, and then when I disconnect my thunderbolt connection from my macbook pro - i get a shutdown.
    Today I got flickering followed by the fan on high and then again I disconneced my thunderbolt cable and after a minute or two a shudown.
    This never happened before.  Actually I was suprised to hear about a firmware update for flickering since that's never happened to me but since updating I now get the flicker.
    Any ideas??  Any help would be greatly appreciated as this is my work labtop.

  • How do I use my late 2011 iMac ( with thunderbolt) as external monitor for laptop/Xbox or other device with hdmi as output.

    May be this question has been asked thousand times. how do I use my mid 2011 iMac ( with thunderbolt) as external monitor for laptop/Xbox or other device with hdmi as output. if apple hasn't removed that feature and has just moved that functinoality to thunderbolt then how can I use it. currently there is no laptop available with thunderbolt output. no 3rd party converter available. whats the use of having feature on latest functionality if we cant use it. I wish they would have made one port has mini-dvi and other thunderbolt for backward compatibility untill some vendor comes up with converter.

    It Says :
    Mac (21.5-inch, Mid 2011) and iMac (27-inch, Mid 2011) and later computers support Target Display Mode via Thunderbolt to Thunderbolt cable (2 m) when the source is another Thunderbolt-equipped computer.
    Name one computer model/vendor which has thunderbolt as output for display + audio. this is so stupid to move to new technology without availbility of its compatible devices.

  • MBPr Windows and Thunderbolt Display

    Hi there,
    I am trying to have my MBPr and Thunderbolt Display working under bootcamp with Windows 8. All the peripherals attached to the TBD are working fine but the display remains black/off. I am pretty sure that a solution exists but can't find the right. I've tried and under Windows 7 behavior still the same, whereas under MacOSx TBD display works fine.
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    - You said "Apple dvi to via converter with a via to hdmi cable . What is a "via"? I think you mean VGA.
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    - Yes, when you boot up you should get a chime if the Mac is functional. The chime The sound indicates that diagnostic tests run immediately at startup have found no hardware or fundamental software problems.[1]
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    Thus it appears the Mini also has a hardware problem.
    Make an appointment at the Genius Bar of an Apple store. It is free.
      Apple Retail Store - Genius Bar

  • I backed up my old core 2 duo imac and and was trying to transfer files to my new 2011 imac and when i go to oppen a folder from what i transferred it says "The folder "Music" can't be opened because you don't have permission to see its contents."?

    I backed up my old core 2 duo imac and and was trying to transfer files to my new 2011 imac and when i go to oppen a folder from what i transferred it says "The folder “Music” can’t be opened because you don’t have permission to see its contents".  Why cant i access the files from my old mac?  I tried the time machine and that isnt working either.  I have files that I need to use on my new mac, all my old programs and such.  I thought they said it was easy to get your files from one mac to another.  Please help.

    Your account names are probably different on the two Macs. If you know the UNIX command line, open a terminal window and run:
    $ id 
    You should see a line that starts with something like this:
    uid=501(your_user_id_here)
    now check the owner of the folder you copied over:
    $ ls -ld Music
    drwx------+ 8 some_user_id_here  staff  272 May 14 16:08 Music
    Do the IDs match? If not, you could change the ownership. Say your id is "johnsmith"
    $ chown -R johnsmith Music
    Now try and access it with iTunes.

  • HT201343 I have a mid 2011 iMac and i do not see a AirPlay option on my device. Why?

    I have a mid 2011 iMac and i do not see a AirPlay option on my device. Why?

    Hi Fid
    Your mac is fine but you need OS X 10.8 Mountain Lion or newer and your profile says you have OS X 10.7.5 Lion.  You need to get ML as a purchase from the app store as mirror is a new feature with that OS.
    The alternative is a third party app called airparrot.
    Jules

  • I have a the Spring 2011 iMac and I am looking to connect both my Bose Companion 2's with my new Companion 20's together to have one single audio system, any suggestions on how this can be done?

    I have a the Spring 2011 iMac and I am looking to connect both my Bose Companion 2's with my new Companion 20's together to have one single audio system, any suggestions on how this can be done?

    FIxed my problem!
    After years the problem was solved somply!
    Go to System preferences
    Go to Ethernet
    Go to Advance
    Go to Hardware
    The just make the changes like in the pictures below

  • I have an 21.5 Mid 2011 iMac and i want to upgrade my RAM.  Currently I have two 2GB and two free slots.  Do I have to put in two 2GB in the free slots or can I use two 4GB or 8GB?

    I have an 21.5 Mid 2011 iMac and I want to upgrade my RAM.  Currently I have two 2GB and two free slots.  Do I have to put in two 2GB in the free slots or can I use two 4GB or 8GB?

    You can leave the existing RAM in their current slots and add compatible modules in the empty slots. For best performance, add two of teh same size. Our 2010 iMac 21" shipped with 4GB RAM---two 2GB modules in two of the four slots. I added two 2GB modules to the empty slots and now have 8 GB RAM.
    Be sure to order RAM from a trusted Mac-savvy RAM vendor. Some vendors thing a Mac is a hamburger. For over a decade I've bought all our Mac RAM (and we have 18 Macs in teh family!) from one vendor:
    http://eshop.macsales.com/shop/memory/iMac/2011/DDR3_21.5_27
    The link is to the proper RAM for your Mac.
    Crucial.com is also a trusted vendor.

  • MBP Retina and Thunderbolt Display color correction

    What are my options regarding color correction for a new 13" Retina MBP and Thunderbolt display using Spyder color calibration system, or equivalent?  Really important I nail that down before purchasing.
    Thanks!
    Tom

    Disable GPU drawing in Photoshop's preferences, and let Apple know about their video driver problems.

  • 2011 iMac missing mini display port?

    I'm trying to connect my 2011 iMac to an additional display using the mini display to DVI, but my computer doesn't have a mini display port I can't seem to find this info anywhere. What kind of adapter do I need?

    No the thunderbolt port should fit mini display port adapters too........there are just more pins on the same size and shape port.......you sure you have a mini display adapter?

  • 2010 iMac with thunderbolt display

    Guys,
    I'd like to extend my 2010 iMac with a second 27" display. Initially I was considering going for a 27" thunderbolt display as this is the only display type that us still for sale. However, from browsing the forum, I understand that the 2010 iMacs have a mini display port which is unable to drive a thunderbolt display, is this correct? If so, what are my options for a matching 27" monitor?
    I was thinking of the following options but I would like to have someone confirm the possibility.
    1) use a mini display port to thunderbolt adapter: does this exist? Would it work? If not I would say apple removes additional sales because people are not going to update their iMac just for a thunderbolt port, they will get a non apple monitor to play nicely with their iMac.
    2) more expensive, but use a new thunderbolt iMac and use the old iMac *** an external display: I read on the forum somewhere that thunderbolt devices can output to mini display port displays using mini display port cables. Is this true? If so, would I be able to expend my desktop this way?
    3) can I still buy a new mini display port 27" cinema display to match my 2010 iMac?
    Thanks

    The 27" Cinema Display is still available new from the online store, would be perfect for you.  Also, don't be afraid of the refurb models available as well.  Good way to save some money and get the same warranty coverage as new.  Typing this on a 27" refurb iMac.  Love it and saved a ton.

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