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All replies
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Helpful answers
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Jul 9, 2014 8:33 PM in response to pauloamgomesby freandc,*** OS X Version 10.9.4 ***
Successful application of Krysztof Turek kext fix
Assuming previous application of fix (see earlier posts), procedure was backup and removal of AMDFramebuffer.kext, AMDSupport.kext, and AMD2600Controller.kext from /System/Library/Extensions followed by a reboot and confirmation of loaded status of version 1.6.6 of applicable kext fix files.
Paulo - no real issue with the post, just trying to keep the thread tight and accurate for anyone encountering this problem for the first time, i.e. finally decided to try and update the old OS.
Cheers,
freandc
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Jul 9, 2014 11:08 PM in response to freandcby George2705,Hi All
I have just applied 10.9.4 and noticed that the ATI Kexts remained at 1.6.6 after the update. So only needed to archive the AMD kexts.
I notice the discussion has been branched but when I try to get to the new branch I get an error saying I don't have the access rights.
Is the branch a private discussion?
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Jul 12, 2014 8:48 AM in response to freandcby aieronimo,Dear freandc - thanks for the info that you were able to install OS X 10.9.4, with no issues. Can you confirm still no freezes since your installation? I'm just a little surprised that no one else has posted on this topic, since usually a new OS update creates several emails from the veterans on this site who are updating and describing how the update and kext fix worked out. It's been awfully quiet ....
Thanks. -- Tony
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Jul 12, 2014 9:04 AM in response to aieronimoby freandc,Tony-
Confirmed -- no freezes since installation. It's my opinion that we will never see freezes once the fix is applied as the old kexts clearly address the root cause. What I think is more the issue now is whether the installation and loading of the kexts will continue to succeed as the OS evolves. Hence, the focus of my post was the installation rather than the lack of freezing but your point is well taken. In the future I will make sure I also report freeze status.
With respect to the 'veterans', we're probably dying off as we get the urge for something new. I'd be surprised if I last another year. I'm maxed @ 4GB memory with a 2.8 GHz Duo cpu and now you can get a 3.4 GHz quad core with up to 32 GB. One of these days there's going to be an extra dollar in my wallet and I'm gonna spend it.
Cheers,
freandc
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Jul 12, 2014 9:13 AM in response to DazzaGby aieronimo,Thanks again, freandc. I am waiting for Retina-display iMacs before I upgrade, and maybe also affordable flash memory options. Also, it looks like Yosemite technically will run on our machines, although the situation again will be if Apple leaves the graphics drivers unlocked so that we can switch out the bad ones for the good ones. (We are fortunate that the Mavericks drivers remain unlocked.)
I think that I'd like to see if this machine runs on Yosemite, and at a decent speed, then figure out how long I wait for that Retina-display iMac to come out ....
Best regards,
Tony
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Jul 15, 2014 12:02 PM in response to aieronimoby viskem,1st Alu iMac with Yosemite
But this fantastic fix wont work there....
just with 10.9.4 again, fix do fine
Anyone an Idea, why it wont work on Yosemite?
dont interested in buying a New iMac yet, its fine, normally
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Jul 16, 2014 3:24 PM in response to freandcby Daniel Smith-Weiss,Another update, and another crash later I reapplied the Kext fix. Mac OS 10.9.4 seems to be running well again, though I hate the hassle of needing to fix this after every single update.
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Aug 11, 2014 3:10 PM in response to freandcby toddclick,Thank you to this post and the original fix posted by krzysztof-turek. Fingers crossed but so far twenty-four hours without incident and potentially more time to save for a new comp.
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Aug 16, 2014 8:50 AM in response to freandcby Biotech guy,Thank you freandc. This solved my ongoing problem with a 2007 iMac. My system has been stable with no screen freezes for over a week.
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 4 MB
Memory: 4 GB
Bus Speed: 800 MHz
Boot ROM Version: IM71.007A.B03
SMC Version (system): 1.20f4
ATI Radeon HD 2400 XT:
Chipset Model: ATI,RadeonHD2400
Type: GPU
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 128 MB
Vendor: ATI (0x1002)
Device ID: 0x94c8
Revision ID: 0x0000
ROM Revision: 113-B2250A-207
EFI Driver Version: 01.00.207
Displays:
iMac:
Display Type: LCD
Resolution: 1680 x 1050
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Typical screen freeze consisted of repeated Kernal listing in Console with random numbers after it. This would continue indefinitely until hard reboot. I was wondering if anyone has tried the iMacGraphicsFWUpdate.dmg from Apple posted in 2012 (iMac Graphic FW Update 3.0)? Just wondering why Apple would not have included this in routine software updates.
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Aug 31, 2014 12:44 AM in response to Biotech guyby Phil_O_,Well I've held off doing any updates since my last post, and my system has been running well. Messed up last night and instead of muting the continual request from Software update to update to 10.9.4 I hit the wrong option and when I turned my machine on this morning it had updated to 10.9.4
I've been running for a couple of hours though without any issues, but I'm ready on the first freeze to remove the AMDxxxx files. I guess I won't have to wait much longer LOL
Thanks to all for the continual updates in this thread
@Biotech Guy.. I'm pretty sure I jumped for joy when I saw that update FW appear but wondered why my system hadn't applied it during one of the updates. I did manually download it and try to apply it but it just told me I didn't have the correct hardware or something and wouldn't install. I think it was meant for a later iMac than my 2007 model.
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Sep 20, 2014 8:56 AM in response to DazzaGby h4nds,yeah, the krzysztof-turek fix needs to be applied again after updating to 10.9.5.
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Sep 22, 2014 9:04 AM in response to DazzaGby StevenMcd33,Hi, I own a iMac (mid 2007, 7,1) 4 GB 667 MHz, ATI Radeon HD 2400 XT 128 MB.
Recently upgraded Mountain Lion to Mavericks 9.4.5, it froze within a minute of installation as usual. So I performed the kext procedure as I have ever since snow leopard. but it still froze all the time.
I went into the /System/Library/Extensions folder and noticed that apple have renamed the kext files starting with ATI to AMD.
renamed my stable kexts (version 1.6.6.25 (7429))
From
ATI2400Controller.kext
ATIFramebuffer.kext
ATISupport.kext
To
AMD2400Controller.kext
AMDFramebuffer.kext
AMDSupport.kext
I then reinstalled them using in Kext Helper b7 tool.
My system is now running rock solid without any freezes, I instantly noticed the speed difference once it had loaded up.
regards steve.
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Sep 23, 2014 3:50 AM in response to DazzaGby siknus,I've been following this thread for a long time. Extremely useful for those with Apple-forgotten Care Less iMacs. Thank you guys.
I'd like to know if someone has already tested Mac OS X 10.10 Yosemite in any of the affected iMacs. Haven't found anything related.
According to this website, all Mavericks compatible computers will be so with Yosemite:
Quick Update: On June 2, 2014, Apple announced OS X "Yosemite" and it is compatible with all of the Macs listed below that are compatible with OS X Mavericks. However, specific feature support has not been finalized. When specific details are available, this Q&A will be updated and/or a new one will be written.
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Sep 23, 2014 4:05 PM in response to siknusby babowa,I'd like to know if someone has already tested Mac OS X 10.10 Yosemite in any of the affected iMacs. Haven't
If somebody has, they are not allowed to discuss it here or they would be ciolating their NDA as well as the ToU here as we're not allowed to discuss it either.