IMac early 2009 freezes and monitor is flickering
Hello,
After being a Macuser for about 25 years, i now have a question.
After a while my old iMac (iMac (24-inch Early 2009), OS X Yosemite (10.10.2), 2,93 Ghz, 8 GB RAM, GeForce GT120) suddenly freezes and the Monitor starts flickering. The upper half is flickering and the lower half is black.
Only way to get back to it, is to do a hard reset by holding the Power button for a while. Then it starts up normal. Sometimes it asks for sending a Crashreport sometimes not.
Does anybody have an idea?
Cheers,
Thomas
Difficult to say, run Apple's Hardware Test in extended mode 2-3 times back to back. The reason to run it multiple times is AHT does not always find errors after the 1-2nd pass, however when it does they are correct. If errors are found, take it in for service.
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Using a iMac, early 2009 as a monitor for a new macbook pro?
Hi,
I bought a new macbook pro 17 inch, and I have an iMac 24-inch, Early 2009, how do I use the iMac as a monitor?
What cables should I buy?
Thank you
osmaneYou don't. Only the 27" iMac can be used as an external monitor, unless you install something like ScreenRecycler:
http://www.screenrecycler.com/ScreenRecycler.html
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IMac (Early 2009) freezes at Apple Logo
Hi Everyone,
This is my first post, and I'm going to be as detailed as possible here.
_Background Information_
I work in a public school system, and we have a lab of 20-inch Early 2009 iMacs currently running 10.5.8 as well as Windows XP via Bootcamp (running CAD software). Being that these machines are at a high school, we have a firmware password set so that students can't go in and mess around.
Recently, a few of these machines have been freezing at the gray Apple logo during startup. I've been able to fix them by doing the following:
-Boot to install disc
-Remove firmware password and restart
-Reset the PRAM
-Boot to install disc and reset firmware password
This fixes the issue. I recently also ARD'ed a permission repair and disk verify to the whole lab to see if that helps stop the issue from recurring.
_My Current Issue_
I have one machine that is currently doing the same thing: it boots to the gray Apple logo and freezes before it reaches the spinning gear. I was ready to perform the above procedure to fix it, however, I have a second problem: the optical drive is malfunctioning. When I insert any disc, the drive makes a loud clicking sound and attempts to eject the disc (at which point it gets stuck and I have to physically pull on it to get it out).
Because of the firmware password in place, I can't perform a Safe Boot, PRAM reset, verbose or single-user boot, etc. I CAN, however, get to the Startup Manager with an option boot.
*Here is the troubleshooting I have done so far.* And the issue only gets weirder...
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-Put an install disc in my Macbook Pro, booted that into Target Disk mode, connected it to the iMac via Firewire, and tried Option-booting the iMac to the install disc that way. Here, it gets to the Apple logo with the spinning gear, and shortly afterward, it freezes (spinning gear still visible but not moving).
-I tried also booting to the internal HD of my Macbook Pro with the above method with the same result. Hangs at frozen spinning gear.
-Option-booting to a DeployStudio flash drive to hopefully at least get to Disk Utility. iMac still freezes at the spinning gear stage.
-Option-booting to the Windows XP side. It freezes during the "Loading Windows" screen.
I am beginning to run out of ideas. I am an Apple Certified Macintosh technician, so it is possible for me to replace the optical drive... but I'm hoping that there is something I haven't thought of yet which can fix it without me having to open the machine. Any ideas would be appreciated. Thanks!
- MattUPDATE:
Shortly after I posted this, I realized the one thing that I hadn't tried yet. I removed one of the two sticks of RAM, then booted the machine and was able to immediately reset the PRAM. At that point, the machine booted normally. I shut it down, re-added the RAM chip, and booted normally again.
Looks like it's all set for now. -
Upgraded to Lion, my iMac early 2009 freeze several times a day
Hi all,
Since my upgrade to Lion (1.6.8 -> 1.7.3 and now 1.7.4), my iMac 2009 freeze several times a day.
the screen (wallpaper and windows) change of color ... i saw some artifacts and ... a moment, my mouse stops to move, my only way is to reboot my iMac.
before my upgrade, my iMac ran a week without a reboot .. :-!In addition to having adequate RAM did you repair disk permissions after the updates? If not then please run Disk Utility (Applications - Utilities - Disk Utility) and run Repair Disk Permissions, I would recommend doing so 2x. If you see messages, you can normally disregard them per Apple's Disk Utility's Repair Disk Permissions messages that you can safely ignore advice letter.
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IMac 27 Inch Early 2009 freezes periodically
For the last couple of weeks my iMac has been freezing and requires a hard reset to fix. On at least one occasion the screen flashed before it froze.
I have the same problems with my iMac 24" Early 2009 with the Nvidia GeForce GT 120 256MB MXM graphics card. I've done the usual and finally decided that it's a faulty card that only a replacement will fix. Oddly, when I'm home it's more stable when connected via a Displayport DVI adapter to DVI cable to a 24" Dell display. When standalone (like when travelling with my iMac for long stints out of town) it's unusable. It won't run for longer than 30 minutes then I get screen artifacts and freezes and then have to fsck to repair the drive before running it again.
However, I believe that I found the solution. I installed a program which I downloaded after installing XCode called Quartz Debug which has apparently allowed me to disable Quartz Extreme, 2D Acceleration and Quartz GL. I'm not sure which one of these changes has allowed my shaky iMac to run stably now for three hours, including a half hour running a flash game and to play about the same amount of the iTunes download of the movie Avatar, so I'm relatively confident that what I did is working. Both Flash and Quicktime seem to work fine although there does seem to be a bit of screen redraw lag when moving objects on the screen or opening new windows. Other features seem to work fine such as Dock magnification and the Scale and Genie effects.
To disable Quartz Extreme:
Install XCode and then under the XCode menu (the one to the left of "File") click on Open Developer Tool/More Developer Tools...
That will take you to this web page:
https://developer.apple.com/downloads/index.action?name=for%20Xcode%20-
(I don't know if just downloading QD will work without installing XCode, it might)
Select and dowload the package of Applications/Tools called:
Graphics Tools for XCode
Drag the Quartz Debug program to your Applications or Utilities folder. StartQuartz Debug. If you don't get the default tools window open when you start it, look under:
Window/Quartz Debug Settings
. . . and a window will open. You can also hit command-1.
In that menu I made these changes:
Deselected Enable Quartz Extreme
Checked the Disable 2D Acceleration
Checked the Disable radio button under Quartz GL
I am not confident that the settings will persist if I close the program. One website suggested that by forcing quit they will persist, but I'm just not sure. I'll experiment with this later and post again if no one else does. So for now I'm leaving it running and with these settings and no other changes.
I also applied the following changes in Terminal although I'm not sure that it did anything:
http://hints.macworld.com/article.php?story=20120211025246804
So far it's working. I'll follow-up as I have time and once I'm back home.
JoeL
Atlanta, GA -
Where can i purchase original restore and install disk for imac early 2009
purchased a used IMac Early 2009 wanted ot replace the hard drive and need to acquire restore and install disk, where can I purchase
Call 1-800-676-2775. Give them the serial number and pay (I think) $16 per disk to get replacement gray disks.
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Kernel panic - iMac Early 2009 - OS 10.9.5
My iMac Early 2009 computer has been shutting down in different ways during different programs, usually graphics oriented. Usually it freezes the display or some part of the display, becomes very very slow and then maybe I can wait and save work before restarting, maybe not--it's just frozen. I was watching a video in Chrome just now and it completely shut down and restarted. This is the first time this has happened--complete shut down. I wonder if anyone can interpret the shut down log.
Specs are as follows:
iMac "Core 2 Duo" 3.06 24-Inch Aluminum (Early 2009) (E8435)
6 MB shared level 2 cache
1066 MHz system bus
8GB of RAM (1066 MHz DDR3 SDRAM)
1 TB (7200 RPM)
NVIDIA GeForce GT 130 graphics - 512 MB GDDR3
Log of the shut down follows. Thank you very much in advance if anyone has any idea what is wrong.
Mon Oct 6 22:29:21 2014
panic(cpu 0 caller 0xffffff7f99628f30): NVRM[0/2:0:0]: Read Error 0x0061002c: CFG 0x00000000 0x00000000 0x04000000, BAR0 0xd2000000 0xffffff8124c6e000 0x094700a1, D0, P3/4
Backtrace (CPU 0), Frame : Return Address
0xffffff81233cbbe0 : 0xffffff8018a22f79
0xffffff81233cbc60 : 0xffffff7f99628f30
0xffffff81233cbd20 : 0xffffff7f996f250a
0xffffff81233cbd60 : 0xffffff7f998c991c
0xffffff81233cbd80 : 0xffffff7f996c68c7
0xffffff81233cbda0 : 0xffffff7f99769dbf
0xffffff81233cbe20 : 0xffffff7f99610fce
0xffffff81233cbee0 : 0xffffff7f995debc5
0xffffff81233cbf20 : 0xffffff8018a4a20a
0xffffff81233cbfb0 : 0xffffff8018ad7607
Kernel Extensions in backtrace:
com.apple.nvidia.classic.NVDAResmanTesla(8.2.4)[D61B2BB9-4289-318D-9197-5E1E13B 1FF32]@0xffffff7f995d9000->0xffffff7f99841fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[2852ACFE-FD28-3C37-9B39-885201BB8D25]@0xffffff 7f990bf000
dependency: com.apple.iokit.IONDRVSupport(2.4.1)[D41125CE-69BD-32E7-9B1D-4E83431662DD]@0xff ffff7f995c9000
dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[75D81741-64C1-3941-ADFA-9D6B6C434EE4]@0 xffffff7f99586000
com.apple.nvidia.classic.NVDANV50HalTesla(8.2.4)[B0E6AAA7-E970-3D81-8B43-145D56 A3A4AC]@0xffffff7f9984c000->0xffffff7f99af5fff
dependency: com.apple.nvidia.classic.NVDAResmanTesla(8.2.4)[D61B2BB9-4289-318D-9197-5E1E13B 1FF32]@0xffffff7f995d9000
dependency: com.apple.iokit.IOPCIFamily(2.9)[2852ACFE-FD28-3C37-9B39-885201BB8D25]@0xffffff 7f990bf000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
13F34
Kernel version:
Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014; root:xnu-2422.115.4~1/RELEASE_X86_64
Kernel UUID: 9477416E-7BCA-3679-AF97-E1EAAD3DD5A0
Kernel slide: 0x0000000018800000
Kernel text base: 0xffffff8018a00000
System model name: iMac9,1 (Mac-F2218FA9)
System uptime in nanoseconds: 116336346660163
last loaded kext at 73429381599468: com.apple.driver.AppleUSBCDC 4.2.1b5 (addr 0xffffff7f9ae9f000, size 20480)
last unloaded kext at 73492603237583: com.apple.driver.AppleUSBCDC 4.2.1b5 (addr 0xffffff7f9ae9f000, size 16384)
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com.apple.driver.AudioAUUC 1.60
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.iokit.IOUserEthernet 1.0.0d1
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com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AGPM 100.14.34
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleHDA 2.6.3f4
com.apple.driver.AppleMikeyDriver 2.6.3f4
com.apple.driver.AppleBacklight 170.4.11
com.apple.GeForceTesla 8.2.4
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.7f3
com.apple.driver.AppleHWAccess 1
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.driver.AppleLPC 1.7.0
com.apple.driver.AppleUpstreamUserClient 3.5.13
com.apple.driver.AppleMCCSControl 1.2.5
com.apple.driver.AppleIRController 325.7
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeLZVN 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.iokit.SCSITaskUserClient 3.6.7
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.6.0
com.apple.driver.AppleUSBHub 683.4.0
com.apple.driver.AppleFWOHCI 5.0.2
com.apple.driver.AirPort.Brcm4331 700.20.22
com.apple.driver.AppleAHCIPort 3.0.5
com.apple.nvenet 2.0.21
com.apple.driver.AppleUSBEHCI 660.4.0
com.apple.driver.AppleUSBOHCI 656.4.1
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleACPIButtons 2.0
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 2.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 217.92.1
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.AppleIntelCPUPowerManagement 217.92.1
com.apple.iokit.IOSCSIBlockCommandsDevice 3.6.7
com.apple.iokit.IOUSBMassStorageClass 3.6.0
com.apple.iokit.IOSurface 91.1
com.apple.iokit.IOSerialFamily 10.0.7
com.apple.iokit.IOBluetoothFamily 4.2.7f3
com.apple.AppleGraphicsDeviceControl 3.6.22
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 2.6.3f4
com.apple.vecLib.kext 1.0.0
com.apple.iokit.IOAudioFamily 1.9.7fc2
com.apple.kext.OSvKernDSPLib 1.14
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.nvidia.classic.NVDANV50HalTesla 8.2.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.7f3
com.apple.iokit.IOFireWireIP 2.2.6
com.apple.driver.AppleHDAController 2.6.3f4
com.apple.iokit.IOHDAFamily 2.6.3f4
com.apple.driver.AppleSMC 3.1.8
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.IOPlatformPluginFamily 5.7.1d6
com.apple.driver.AppleSMBusController 1.0.12d1
com.apple.nvidia.classic.NVDAResmanTesla 8.2.4
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.AppleUSBHIDMouse 180.9
com.apple.driver.AppleHIDMouse 180.9
com.apple.driver.AppleUSBHIDKeyboard 170.15
com.apple.driver.AppleHIDKeyboard 170.15
com.apple.iokit.IOUSBHIDDriver 660.4.0
com.apple.driver.AppleUSBMergeNub 650.4.0
com.apple.driver.AppleUSBComposite 656.4.1
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.6.7
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOAHCISerialATAPI 2.6.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.7
com.apple.iokit.IOUSBUserClient 660.4.2
com.apple.iokit.IOFireWireFamily 4.5.5
com.apple.iokit.IO80211Family 640.36
com.apple.iokit.IOAHCIFamily 2.6.5
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOUSBFamily 686.4.1
com.apple.driver.NVSMU 2.2.9
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 278.11.1
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
Model: iMac9,1, BootROM IM91.008D.B08, 2 processors, Intel Core 2 Duo, 3.06 GHz, 8 GB, SMC 1.45f0
Graphics: NVIDIA GeForce GT 130, NVIDIA GeForce GT 130, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x802C, 0x31364A53463531323634485A2D3147314431
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x802C, 0x31364A53463531323634485A2D3147314431
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.7f3 14616, 3 services, 15 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: WDC WD1001FALS-40K1B0, 1 TB
Serial ATA Device: OPTIARC DVD RW AD-5670S
USB Device: Built-in iSight
USB Device: Keyboard Hub
USB Device: Mass Storage Device
USB Device: Apple Optical USB Mouse
USB Device: Apple Keyboard
USB Device: IR Receiver
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus:Thanks Mike. I have no third party peripherals, but I did install ram, so I'll take that out. I'm unable to install the Apple Hardware Test (holding D down doesn't work for me and I don't have the install disks that came with the computer anymore.) I think it is a hardware problem though, due to it happening during lots of different programs running etc. I'm guessing it is GPU related as well, because it says
Kernel Extensions in backtrace:
com.apple.nvidia.classic [...]
From research I've done online, I gather replacing the video card will be half as expensive as buying a new computer, so I'm in a jam there. The iMac screen display is also quite old -- it has a yellowish color now and often on the desktop you can "see through" windows "on top": you can see the outlines of windows below. -
24" iMac early 2009 - how to duplicate screen (mini DP to HDMI)?
Hello
I want to play movies on my TV which are located on this harddrive.
I have a PS3 so when i have software streaming that movies (uPnP style) to my PS3 it works. But then again, considering I like nature and all, I have to use 3 devices for getting that image through.
It would be far easier to just connect the mac to my TV using HDMI.
I know this is possible with a mini DP to HDMI cable. But does this iMac (early 2009) support audio streaming? I've read numerous of forums and they all have different answers. I know this forum is the right one to ask.
But if it doesn't support audio, then i'll need a devide which combines the mini DP and audio jack into a a hdmi output. This isn't such a problem I think except ...
If this audio jack is plugged in my iMac, won't I'll always loose the sound of my iMac (but I'll have that on my TV)? This bother me because I don't want to insert the audio jack every time I want to play a movie on my TV. But when the HDMI side is not connected to my TV, will my Imac still loose its audio?
It seems complex, but I just need a solution for watching those movies easily on my telly without having to switch cables all the time (and not use the PS3 which consumes power like a mad machine).
I'd like to know your input on this.
Thanks in advancedThe mini-DisplayPort does not carry audio. You can solve that issue with a device such as this one available in the USA. I do not know where you would find one in Europe.
However, as long as something is plugged into the Mac's audio port, that is normally where the audio goes. So if your TV is plugged into the audio port and the TV is off, your Mac will be silent.
Dah•veed -
Adobe CS6.0 out of memory error on iMac (early 2009)
Hi:
Adobe CS6.0 Photoshop is returning "Out of Memory (RAM)" errors and is unusable on a lab of iMacs.
The system exceeds Adobe minimum specs (1GB ram).
Our school has a lab of computers with both Adobe CS5.5 and Adobe CS6.0 Master Collection installed on a lab of iMacs (early 2009).
The computers all have 4GB of memory and come with an NVidia GeForce 9400M 256MB video card.
I notice that this video card shares ram with the main system.
CS5.5 runs perfectly well but CS6.0 is not co-operating.
We have updated Photoshop to version 13.04 and have run Apple's Software Update (latest version).
I have looked online and this is a known problem with computers that have Adobe CS5 & 6 installed with Mac OS10.7.x but only on certain video cards.
There are people out there with 32 GB ram having the same problem.
I'm guessing the answer may be to update the video card drivers somehow.
Your input is greatly appreciated.
Regards
ODrewHi ODrew,
I'm shocked you can operate OK with only 4GB of RAM, that certainly wasn't enough for my 2007 iMac to not continually slow down!?
CS6 Sys requiremnts...
Mac OS
Multicore Intel processor with 64-bit support
Mac OS X v10.6.8, v10.7, or v10.8**
4GB of RAM (8GB recommended)
4GB of available hard-disk space for installation; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
Additional disk space required for preview files and other working files (10GB recommended)
1280x900 display
7200 RPM hard drive (multiple fast disk drives, preferably RAID 0 configured, recommended)
OpenGL 2.0–capable system
DVD-ROM drive compatible with dual-layer DVDs (SuperDrive for burning DVDs; Blu-ray burner for creating Blu-ray Disc media)
QuickTime 7.6.6 software required for QuickTime features
Optional: Adobe-certified GPU card for GPU-accelerated performance
And I don't see that Video card supported...
http://www.adobe.com/products/premiere/tech-specs.html
I don't think you can upgrade that video card...
http://www.ifixit.com/Answers/View/93250/Upgrade+the+NVIDIA+GEFORCE+9400M+GRAPHI CS+PROCESS -
My microphone doesn't work after installing lion on iMac early 2009
Hello,
I've just installed LION and everthing seems to be OK except the microphone, it doesn't work on skype, imovie.
I have an Imac early 2009.
Will this bug be fixed in the next 10.7.1?
Please if you can help me,
ThanksIf it suggests that you install iPhoto again, install iPhoto again. In your Macs Box that it came in there should be 2 Discs, one is an Applications CD (You need this one) And another is the Mac OS X.
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Aperture 3.5 repeatedly crashes when cropping or editing. 10.9.4 on a 24" iMac early 2009 Processor 3.06 GHz Intel Core 2 Duo. Crash report: Processor 3.06 GHz Intel Core 2 Duo. Able to edit 3 or 4 photos before crashing again. Repair run multiple times. Can't copy/paste crash report -
any ideas?Yes. Just updated to 10.9.5 and 3.5.1 and crashed again. Only half of available memory on computer is being used.
How do I copy the "problem report"?
thanks very much -
Will my US iMac early 2009 work in South Africa?
I am moving. I know that mobile and portable devices will work, but will a desktop? I do not see voltage guidance on the iMac casing.
Yes they are also 100-240V AC, see > iMac (Early 2009) - Technical Specifications
However you may need to find a power cord with the correct plug end or a plug adapter depending on the outlet configuration there. -
So I have an iMAC early 2009 2GB RAM, 2.66ghz Intel Core 2 Duo, Im currently running Snow LEopard 10.6 & I tried upgrading to Yosemite 10.10 today and right before it finishes it cancels download and says unable to download application "NSInternalInconsistentexception" ??? how do i fix this
Mavericks is no longer available from the App Store, so your choice is Yosemite. One option is to create a new partition (~30- 50 GB), install the new OS, and ‘test drive’ it. If you like/don’t like it it, you can then remove the partition. Do a backup before you do anything. By doing this, if you don’t like it you won't have to go though the revert process.
Check to make sure your applications are compatible.
Application Compatibility
Applications Compatibility (2) -
Why iMac early 2009 beep 3 times?
I want to upgrade the ram of my 24 inch iMac (early 2009. It currently has two PC3 DDR3 1066 2GB running it. I bought a pair of PC3 DDR3 1066 4GB as Apple suggests on its support page. Even though everything is it should, every time I install the new ones and try to start up my computer it makes three beeps. I've read that this is a hardware error but I am sure I have the right spects on new ones, what can I do?
Here is the correct RAM and specs for your early 2009 iMac.
http://eshop.macsales.com/shop/memory/iMac/DDR3_2009
Maximum Memory
8.0 GB
Memory Slots
2 - 204-pin PC3-8500 (1066 MHz) DDR3 SO-DIMM -
IMAC (early 2009) upgrade
I have a IMAC early 2009 2.4 GHz Intel Core 2 Duo. Can I add more memory so I can upgrade to OS X Mavericks.
Yosemite; back up your data, click here, and read the entire page. Mac OS X 10.7 and newer don't support PowerPC software such as Microsoft Office 2004; some other installed software may also be incompatible.
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