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Freezing iMacs

53845 Views 694 Replies Latest reply: Nov 4, 2007 3:10 PM by FrustratedWithVista RSS
  • Zachary Schwartz Level 1 Level 1 (10 points)
    Currently Being Moderated
    Sep 23, 2007 8:50 AM (in response to autiger)
    My dad brought his imac back yesterday, they supposedly did a data transfer. we'll see what happens.
    Powerbook G4, Mac OS X (10.4.5)
  • cheeseslice Calculating status...
    Currently Being Moderated
    Sep 23, 2007 8:52 AM (in response to Al Van Malsen)
    What's the best way to remove the 1.1 update and go back to 1.0? Is there a tech article on how to do this? Thanks!
    imac Intel, Mac OS X (10.4.10)
  • Will : Hi ! Level 5 Level 5 (4,305 points)
    Currently Being Moderated
    Sep 23, 2007 9:04 AM (in response to cheeseslice)
    cheeseslice wrote:
    What's the best way to remove the 1.1 update and go back to 1.0? Is there a tech article on how to do this? Thanks!


    Some people have attempted to re-install the 1.0 update with Pacifist (which supposedly overwrites the files installed by 1.1), but got mixed results (it often worked, but freezes and/or crashes came back after a few days).

    IMO, the best way would be to do an Archive & Install of Mac OS X, then re-apply all updates except iMac Update 1.1…
    Mac mini1.25 Ghz G41 GB RAM40 GB HDDAirPort Extreme, Mac OS X (10.4.10), External 250 GB LaCie HDDLaCie FW DVD-RW DL 16x20 GB iPod w/Color Display
  • Djames Calculating status...
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    Sep 23, 2007 1:03 PM (in response to autiger)
    EVERYONE EXPERIENCING PROBLEMS WITH THEIR NEW IMACS PLEASE SUBMIT FEEDBACK TO APPLE:

    http://www.apple.com/feedback/imac.html
    iMac 24" Intel Core 2 Duo 2.4GHz, Mac OS X (10.4.10)
  • Marc Poirier Level 1 Level 1 (5 points)
    Currently Being Moderated
    Sep 23, 2007 1:20 PM (in response to Djames)
    Mmmm.. I just sent in my report... but here's a funny thing... I bought my iMac last week and I went on apple firmware update page... here is what they say about what the latest firmware are...

    iMac (24-inch) IM61.0093.B01 1.10f2 or 1.10f3

    here is my info..
    Boot ROM Version: IM71.007A.B00 SMC Version: 1.21f4

    technically I'm ahead of Apple!

    P.S. what's the main difference between the 24" standard and the "extreme" version... is it just the 2.8ghz processor... I thought the motherboard would have had a faster bus too... (I know, I'm getting away from the topic...)
    Silver IMac, 24", 2.8ghz Extreme, 2g RAM, 500g HD, Mac OS X (10.4.10)
  • JohnM07 Calculating status...
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    Sep 23, 2007 2:45 PM (in response to Marc Poirier)
    I had the problem with the feezing and my machine is a 24'

    Model Identifier: iMac7,1
    Processor Name: Intel Core 2 Duo
    Processor Speed: 2.4 GHz
    Number Of Processors: 1
    Total Number Of Cores: 2
    L2 Cache (per processor): 4 MB
    Memory: 2 GB
    Bus Speed: 800 MHz
    Boot ROM Version: IM71.007A.B00
    SMC Version: 1.21f4

    Since I have re-formated and installed OSX with no software upgrades, runs fine so far.

    I'm debating not installing any software upgrades do to Leopard being so close to release. I can't find any mention of a graphics driver update in any of the descriptions unless I missed something. There's to many possibilities in the ones listed so I'll wait.

    By the way my graphics card info with a fresh install is below. Can someone check who is having the problem match the EFI Driver Version number to see if it changed in the updates. Not the greatest techie in the world I'm just assuming that's the driver that would get updated?

    Chipset Model: ATI,RadeonHD2600
    Type: Display
    Bus: PCIe
    PCIe Lane Width: x16
    VRAM (Total): 256 MB
    Vendor: ATI (0x1002)
    Device ID: 0x9583
    Revision ID: 0x0000
    ROM Revision: 113-B2250F-212
    EFI Driver Version: 01.00.212

    Typically it's best to do a full new install on a new OSX release so why not wait the 3 or 4 weeks for OXS Leopard. I have spent to many hours trying to solve this crashing to start all over again.

    Best of luck to getting back to a happy Apple experience. I type out I love Apple 500 times and take a deep breath sometimes this helps LOL
    iMac 2.4 Intel Core 2, Mac OS X (10.4.10)
  • G J Piper Level 1 Level 1 (90 points)
    Currently Being Moderated
    Sep 23, 2007 3:29 PM (in response to JohnM07)
    {quote:title=JohnM07 wrote:}
    I had the problem with the feezing and my machine is a 24'

    Model Identifier: iMac7,1
    Processor Name: Intel Core 2 Duo
    Processor Speed: 2.4 GHz
    Number Of Processors: 1
    Total Number Of Cores: 2
    L2 Cache (per processor): 4 MB
    Memory: 2 GB
    Bus Speed: 800 MHz
    Boot ROM Version: IM71.007A.B00
    SMC Version: 1.21f4

    Since I have re-formated and installed OSX with no software upgrades, runs fine so far.

    I'm debating not installing any software upgrades do to Leopard being so close to release. I can't find any mention of a graphics driver update in any of the descriptions unless I missed something. There's to many possibilities in the ones listed so I'll wait.

    By the way my graphics card info with a fresh install is below. Can someone check who is having the problem match the EFI Driver Version number to see if it changed in the updates. Not the greatest techie in the world I'm just assuming that's the driver that would get updated?

    Chipset Model: ATI,RadeonHD2600
    Type: Display
    Bus: PCIe
    PCIe Lane Width: x16
    VRAM (Total): 256 MB
    Vendor: ATI (0x1002)
    Device ID: 0x9583
    Revision ID: 0x0000
    ROM Revision: 113-B2250F-212
    EFI Driver Version: 01.00.212{quote}


    All my System Profiler info is identical to yours except mine says 2.8 Ghz.

    Mine is going to have it's Graphics Card replaced by Apple, but the final thing I tried was totally started from scratch using the DVD the iMac came with -- reformatted the HD, installed a fresh system, updated it with all the Software Updates that were available... I installed NOTHING of my own apps. The first thing it did was freeze after opening Photo Booth. Apple took that as proof that the card is indeed bad. So, hopefully after they put in a new one it will be fixed.

    If this new card doesn't fix it, then the problem may, in fact, be both a hardware AND a software problem, which would be a good reason why Apple and everyone else is so dumbfounded about the cause of this.
    24" iMac 2.8 C2E / 1TB / 4GB, Mac OS X (10.4.10)
  • Ian Farrell Calculating status...
    Currently Being Moderated
    Sep 23, 2007 7:30 PM (in response to Zachary Schwartz)
    Some of the problem is with ATI.
    ATI are notoriously slow at admitting problems and even slower at fixing them.
    When I was in the PC arena, I had to deal with ATI on several occasions and they would say the problem was elseware but six months later release a new driver that fixed the problem.
    Now ATI are going to give Apple a bad name by dragging their feet on this one.
    I rarely had a problem with Nvidia.
    Maybe Apple needs to look at other Video Card Manufacturers.
    iMac 24" C2D, Mac OS X (10.4.10)
  • Tallan Level 4 Level 4 (3,095 points)
    Currently Being Moderated
    Sep 23, 2007 8:48 PM (in response to Kat2007)
    Your hard disk starting with WD is a Western Digital; just copy and paste the whole model number into Google and it'll give you all the details. Mine is also a Western Digital and I'm experiencing freezes and crashes when playing World of Warcraft, the first Mac I've ever had (out of about 20) with this kind of reliability issue. I suspect, as others here, that the problem (Alum model) is immature drivers from ATI and or a conflict with the Intel firmware, what Windows folks know as the BIOS. Hoping for a quick fix from Apple, but video driver issues can take forever to debug, unfortunately.

    "Pioneers are the guys you find face down with arrows in their backs."

    YMMV.
    17" 2.4Ghz & 15" MacBookPro C2D, MacBook all 2GB RAM; PM G5 dual 2.5, 30" CD;, Mac OS X (10.4.8), Product Red Nano, ViPods, Photos, Shuffle, iPod HiFi, PM G4 FW800 (ret).
  • Tallan Level 4 Level 4 (3,095 points)
    Currently Being Moderated
    Sep 23, 2007 8:55 PM (in response to apophis_93)
    Control + Eject brings up the shut down mini-menu. Click sleep button & enjoy!
    17" 2.4Ghz & 15" MacBookPro C2D, MacBook all 2GB RAM; PM G5 dual 2.5, 30" CD;, Mac OS X (10.4.8), Product Red Nano, ViPods, Photos, Shuffle, iPod HiFi, PM G4 FW800 (ret).
  • Frank Bravo Level 1 Level 1 (75 points)
    Currently Being Moderated
    Sep 24, 2007 11:20 AM (in response to apophis_93)
    apophis_93 wrote:
    My new 24" Aluminum iMac has been freezing daily. I have all current updates:

    iMac Update 1.1
    OSX 10.4.10

    Freezing occurs when trying to wake from sleep.


    My 24" iMac was doing this as well. There were also screen artifacts on the display at various times. I rolled back to 1.0 as described elsewhere in the forms and the problem was better, but not great.

    I saw a post (and I wish I can remember where) that talked about deep cache cleaning. I used Cocktail to clean the cache on the machine and do the other stuff it does and haven't had a problem since. I have not tried, however, to put the machine to sleep myself. It can go to sleep and wake up just fine, however.

    Hope that helps someone... at least until 1.2 update comes out!
    24" 2.4 GHz iMac, Mac OS X (10.4.10)
  • Marc Poirier Level 1 Level 1 (5 points)
    Currently Being Moderated
    Sep 24, 2007 1:52 PM (in response to autiger)
    I have to say that the majority of times it crashed was through heavy processor and graphics use.. ex: rendering in motion/final cut pro... I've never experienced freezing through "normal" use...

    Anyways, I'm meeting a mac "genius" tonight at my local apple store, he go over some tests.. and will let you all know how it went... I'm in a middle of a 25K project that's due on friday and dealing with this was the last of my expectations, but I guess it's the name of the game! Who knows, I might be $3000.00 richer tonight
    Silver IMac, 24", 2.8ghz Extreme, 2g RAM, 500g HD, Mac OS X (10.4.10)
  • xoxo666 Calculating status...
    Currently Being Moderated
    Sep 24, 2007 5:46 PM (in response to autiger)
    Hello! I just switch from PC when I heard about the new imac. Mine is the 2.4 Ghz 24 in.

    Mine keeps freezing too when i try to wake him up from his sleep. No heavy application opened. It's freezing when I open MSN too. I'm really dissapointed by the machine because i never thought this wuld be a major problem. It's even worst than a PC.

    It says that this topis has been answered. I dont see the solution anywhere.

    Please help me before I take it back to the store, wich i hope not!
    Intel-based iMac 2.4GHz Intel Core 2 Duo, Mac OS X (10.4.10), My first one :P
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