Why does my iMac only have 1 GB of memory?  I hardly have anything on here.  I cannot download software update in order to get Turbo Tax to work.

Why does my iMac only have 1 GB of memory?  

Put in more RAM. Visit OWC, DataMem, or Crucial.com to purchase memory for your model. You computer would have more memory had you put more in a long time ago.

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    I cannot download software update, download & install key is grayed out. I have more than enough storage.

    Hi,
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    Regards,
    Steve

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    I have an iMac 20" (Model A1224, iMac 7,1).  Intel Core 2 Duo 2GHz running 10.5.8 OSX.
    I removed the stock 1GB and replaced it with 2X2GB DDR2 667mhz PC2-5300 SO-DIMMS (G.Skill).
    I booted up.  Both memory slots show OK, but one only shows 1GB instead of 2GB.  Overall, the system only recognizes 3GB.  What gives?  The Apple Support page for this model says that it supports 4GB (some other web sites even say it supports 6GB).
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    The likely cause is RAM that does not meet Apple's specifications. The specifications you cite are correct but many vendors sell memory that simply does not meet them. You are their quality control department, which saves them no small sum of money.
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    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. If OWC says you can install 6 GB then you can. Crucial does not often recognize this ability so their app will probably report only a 4 GB option for your iMac.

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    Why does my iMac (on occasion) not shut down, warning message comes on saying i have to switch off by pressing and holding the power button then restart, something to do with a Panic report?
    Thanks
    Brian

    Hi mende1,
    you asked me to post the Kernal panic report then next time it appears, sorry for the delay but it was fine until yesterday when it happened again so here it is, hope you can make sense of this, thank you for your help.
    Regards
    Brian
    Interval Since Last Panic Report:  97797 sec
    Panics Since Last Report:          1
    Anonymous UUID:                    17D8F909-09A9-4BC6-A153-A12F75529506
    Sun Jan 27 09:32:57 2013
    panic(cpu 0 caller 0xffffff80002c4794): Kernel trap at 0xffffff80002b4b31, type 14=page fault, registers:
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    RAX: 0xffffff80008c2028, RBX: 0x00000000800a9100, RCX: 0xffffff800ae5bf00, RDX: 0x0000000000000080
    RSP: 0xffffff8078713e68, RBP: 0xffffff8078713eb0, RSI: 0x000000005aefd876, RDI: 0x00000000800a9118
    R8:  0x0000000000000010, R9:  0x0000000000000000, R10: 0xfffffe802662d000, R11: 0x00080000000263f3
    R12: 0xffffff8078713f60, R13: 0xffffff8078713f78, R14: 0x0000000000000000, R15: 0x00000000800a9118
    RFL: 0x0000000000010002, RIP: 0xffffff80002b4b31, CS:  0x0000000000000008, SS:  0x0000000000000010
    CR2: 0x00000000800a9118, Error code: 0x0000000000000000, Faulting CPU: 0x0
    Backtrace (CPU 0), Frame : Return Address
    0xffffff8078713b10 : 0xffffff8000220792
    0xffffff8078713b90 : 0xffffff80002c4794
    0xffffff8078713d40 : 0xffffff80002da55d
    0xffffff8078713d60 : 0xffffff80002b4b31
    0xffffff8078713eb0 : 0xffffff80002352a5
    0xffffff8078713ec0 : 0xffffff800036489d
    0xffffff8078713ee0 : 0xffffff8000345031
    0xffffff8078713fb0 : 0xffffff8000820057
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    11G63
    Kernel version:
    Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
    Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
    System model name: iMac10,1 (Mac-F2268CC8)
    System uptime in nanoseconds: 1750251829240
    last loaded kext at 51464252613: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f815c7000, size 57344)
    last unloaded kext at 215848970782: com.apple.driver.AppleFileSystemDriver          13 (addr 0xffffff7f825c2000, size 12288)
    loaded kexts:
    com.vmware.kext.vmnet          3.0.0
    com.vmware.kext.vmioplug          3.0.0
    com.vmware.kext.vmci          3.0.0
    com.vmware.kext.vmx86          3.0.0
    com.apple.filesystems.msdosfs          1.7.1
    com.apple.driver.AppleBluetoothMultitouch          70.12
    com.apple.driver.AppleHWSensor          1.9.5d0
    com.apple.filesystems.autofs          3.0
    com.apple.driver.AppleMikeyHIDDriver          122
    com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
    com.apple.driver.AudioAUUC          1.59
    com.apple.driver.AppleUpstreamUserClient          3.5.9
    com.apple.GeForce          7.3.2
    com.apple.driver.AppleLPC          1.6.0
    com.apple.driver.AppleHDA          2.2.5a5
    com.apple.driver.AppleMikeyDriver          2.2.5a5
    com.apple.driver.AGPM          100.12.75
    com.apple.driver.AppleBacklight          170.2.2
    com.apple.driver.AppleMCCSControl          1.0.33
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.2.3
    com.apple.driver.ApplePolicyControl          3.1.33
    com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
    com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
    com.apple.driver.AppleIRController          312
    com.apple.driver.AppleUSBCardReader          3.0.6
    com.apple.iokit.SCSITaskUserClient          3.2.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          33
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCISerialATAPI          2.0.3
    com.apple.iokit.IOAHCIBlockStorage          2.1.0
    com.apple.driver.AppleAHCIPort          2.3.1
    com.apple.nvenet          2.0.17
    com.apple.driver.AppleUSBHub          5.1.0
    com.apple.driver.AirPort.Atheros40          505.67.1
    com.apple.driver.AppleUSBEHCI          5.1.0
    com.apple.driver.AppleUSBOHCI          5.1.0
    com.apple.driver.AppleEFINVRAM          1.6.1
    com.apple.driver.AppleFWOHCI          4.9.0
    com.apple.driver.AppleRTC          1.5
    com.apple.driver.AppleHPET          1.7
    com.apple.driver.AppleACPIButtons          1.5
    com.apple.driver.AppleSMBIOS          1.9
    com.apple.driver.AppleACPIEC          1.5
    com.apple.driver.AppleAPIC          1.6
    com.apple.driver.AppleIntelCPUPowerManagementClient          195.0.0
    com.apple.nke.applicationfirewall          3.2.30
    com.apple.security.quarantine          1.4
    com.apple.security.TMSafetyNet          8
    com.apple.driver.AppleIntelCPUPowerManagement          195.0.0
    com.apple.driver.AppleBluetoothHIDKeyboard          160.7
    com.apple.driver.AppleHIDKeyboard          160.7
    com.apple.driver.AppleMultitouchDriver          231.4
    com.apple.driver.IOBluetoothHIDDriver          4.0.8f17
    com.apple.kext.triggers          1.0
    com.apple.iokit.IOSerialFamily          10.0.5
    com.apple.nvidia.nv50hal          7.3.2
    com.apple.NVDAResman          7.3.2
    com.apple.driver.DspFuncLib          2.2.5a5
    com.apple.driver.AppleBacklightExpert          1.0.4
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.driver.AppleHDAController          2.2.5a5
    com.apple.iokit.IOHDAFamily          2.2.5a5
    com.apple.iokit.IOSurface          80.0.2
    com.apple.iokit.IOAudioFamily          1.8.6fc18
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.AppleGraphicsControl          3.1.33
    com.apple.iokit.IONDRVSupport          2.3.4
    com.apple.iokit.IOGraphicsFamily          2.3.4
    com.apple.driver.AppleSMC          3.1.3d10
    com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
    com.apple.driver.IOPlatformPluginFamily          5.1.1d6
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.iokit.IOFireWireIP          2.2.5
    com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
    com.apple.iokit.IOBluetoothFamily          4.0.8f17
    com.apple.iokit.IOUSBHIDDriver          5.0.0
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.1
    com.apple.iokit.IOUSBMassStorageClass          3.0.3
    com.apple.driver.AppleUSBMergeNub          5.1.0
    com.apple.driver.AppleUSBComposite          5.0.0
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.1
    com.apple.iokit.IOBDStorageFamily          1.7
    com.apple.iokit.IODVDStorageFamily          1.7.1
    com.apple.iokit.IOCDStorageFamily          1.7.1
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
    com.apple.iokit.IOAHCIFamily          2.0.8
    com.apple.iokit.IOUSBUserClient          5.0.0
    com.apple.iokit.IO80211Family          420.3
    com.apple.iokit.IONetworkingFamily          2.1
    com.apple.iokit.IOUSBFamily          5.1.0
    com.apple.driver.NVSMU          2.2.9
    com.apple.driver.AppleEFIRuntime          1.6.1
    com.apple.iokit.IOFireWireFamily          4.4.8
    com.apple.iokit.IOHIDFamily          1.7.1
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          177.8
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.driver.DiskImages          331.7
    com.apple.iokit.IOStorageFamily          1.7.2
    com.apple.driver.AppleKeyStore          28.18
    com.apple.driver.AppleACPIPlatform          1.5
    com.apple.iokit.IOPCIFamily          2.7
    com.apple.iokit.IOACPIFamily          1.4
    Model: iMac10,1, BootROM IM101.00CC.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 4 GB, SMC 1.52f9
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    Memory Module: BANK 0/DIMM1, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020
    Memory Module: BANK 1/DIMM1, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020
    AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.67.5-P2P
    Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports
    Network Service: AirPort, AirPort, en1
    Serial ATA Device: ST3500418ASQ, 500.11 GB
    Serial ATA Device: OPTIARC DVD RW AD-5680H
    USB Device: Ext HDD 1021, 0x1058  (Western Digital Technologies, Inc.), 0x1021, 0x24300000 / 3
    USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0x24400000 / 2
    USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0x26500000 / 3
    USB Device: hub_device, 0x0409  (NEC Corporation), 0x0059, 0x26400000 / 2
    USB Device: Tablet, 0x172f, 0x0037, 0x26410000 / 6
    USB Device: Mass Storage Device, 0x058f  (Alcor Micro, Corp.), 0x6362, 0x26430000 / 5
    USB Device: USB 2.0 Hub [MTT], 0x1a40  (TERMINUS TECHNOLOGY INC.), 0x0101, 0x26440000 / 4
    USB Device: JumpDrive, 0x05dc  (Lexar Media, Inc.), 0xa205, 0x26441000 / 7
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2
    USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x06100000 / 2
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0x06110000 / 4

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