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New imac keeps freezing.

58911 Views 492 Replies Latest reply: Nov 29, 2007 11:41 AM by Jeff Holdaway RSS
  • glyphis Calculating status...
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    Aug 27, 2007 2:10 AM (in response to MJBug)
    I've had similar troubles, and tried everything short of taking the iMac apart to fix it...

    Question... do any of you have an empty iPod/iPhone dock attached? An empty iPod dock appears to have been the culprit in my case... all is well (touch wood) since I unplugged it.

    Strange but true!
    Scott
    iMac 24", G5 Dual 2.0, 20 ACD (3 bad 23s was enough), AlBook 1.25, TiBook 550, Mac OS X (10.4.10)
  • themusic Calculating status...
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    Aug 27, 2007 4:14 AM (in response to glyphis)
    Same here.

    Programs are acting weird including Final Cut Pro, Live 6, and Soundtrack. FCP and STP act especially weird when switching to full screen mode.

    I think the iMac wasn't quite ready for prime time ... it feels unbalanced. I just had Live quit on me like 20 times while jamming tonight. No big deal because I was with a friend, but if I was with a client ... I'd be really upset.
    2.4 ghz iMac, Mac OS X (10.4.10), 4 gig
  • Jpfresno Level 4 Level 4 (3,020 points)
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    Aug 27, 2007 8:12 AM (in response to themusic)
    Hi ALL, Welcome to Apple's Users Help Users Forums.

    Some of you appear to still be in the 14 day replacement window and all are still w/in warranty. Let Apple worry about it.

    These just shouldn't be happening.
    11/06 Imac 17 Intel C2D 1 GB 667 MHz SDRam OWC Merc FWHD SuperDuper, Mac OS X (10.4.10), *Do not start vast problems with a half vast mind.*
  • Aceluck Calculating status...
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    Aug 29, 2007 8:20 AM (in response to MJBug)
    My brand new 24" aluminium iMac also keeps crashing. I can leave it running all day running webserver and what not, but if I use graphical apps, like any of the iLife programs or watch Quicktime or even use Preview - it can take between 10 minutes and an hour before the machine hangs. Only the display actually hangs though. Beach ball spinning, mouse cursor still moves, but app windows do not update. Even if I remotely log in to the machine and shut down the app in question (disappears from process list completely) it's still visible on the screen. The only recourse is to reboot (by issuing shutdown command or holding power button down for 5 seconds). I've also occasionally seen the screen blinking and garbled output showing on the screen. Seems to me the graphics card or driver has a problem on these new macs, as I've read countless similar reports on the web.
    iMac (mid 2007), Mac OS X (10.4.10)
  • Aceluck Level 1 Level 1 (0 points)
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    Aug 29, 2007 8:44 AM (in response to MJBug)
    Oh, forgot to mention that my system.log file also contains:

    Aug 29 22:45:55 thyMac kernel[0]: ** ASIC Hang Log Start **
    Aug 29 22:45:55 thyMac kernel[0]: 0x01019583 00005062 00009583 00000000
    Aug 29 22:45:55 thyMac kernel[0]: 0x00000000 00000000 00000000 00000000
    Aug 29 22:45:55 thyMac kernel[0]: 0x0011a010 00000000 00000000 0083106b
    Aug 29 22:45:55 thyMac kernel[0]: 0x00f8fc00 00000000 00000001 00008a12
    Aug 29 22:45:55 thyMac kernel[0]: 0x80838645 00028442 01000000 00001000
    Aug 29 22:45:55 thyMac kernel[0]: 0x0a02fc0a 000000e0 00000020 000001e4
    .... and about 1500 more lines like this.....
    Aug 29 22:46:04 thyMac kernel[0]: 511:0xc0016900
    Aug 29 22:46:04 thyMac kernel[0]: 0xb49d24af
    Aug 29 22:46:04 thyMac kernel[0]: ** ASIC Hang Log End **

    every time I get a hang / crash.
    iMac (mid 2007), Mac OS X (10.4.10)
  • phr Calculating status...
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    Sep 8, 2007 1:49 PM (in response to menkarura)
    Same here. Mostly when switching to an app which has been idle for some time in the background, or when working w/ Aperture.

    BTW the Mac is not freezing, only the UI. You can still login via SSH ... so I suspect it has something to do with the window server and/or graphics driver in 10.4
    iMac Core 2 Duo 24", Mac OS X (10.4.10)
  • futz55 Calculating status...
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    Sep 8, 2007 5:06 PM (in response to phr)
    I'm having problems with my new iMac, a week old it has turned itself off roughly 5 times, once in the middle of burning a disc, freezes occasionally on frontrow for minutes at a time before it will finally get back to the desktop.

    Frontrow has totally crashed once and jumped back to the desktop in the middle of a video as has iTunes and Safari a number of times.

    Its the turning itself off that has me worried. I've run the hardware test everything was OK. I've pulled the 2GB kingston Ram that I bought and just left the standard 1GB and it still did it.

    I'm taking it back to my Mac store to get it DOA and get a new one that hopefully won't have the same problems, a hassle to transfer all the data but I don't want to be stuck with a dud.

    Anyone experiencing the shutdowns as well, anyone got any suggestions.

    Thanks
    iMac 20" Intel 2.4GHz, Mac OS X (10.4.10)
  • samt14 Level 1 Level 1 (10 points)
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    Sep 15, 2007 9:53 PM (in response to Aceluck)
    Guys, I have same problem. I can confirm that this problem has nothing to do with ram, i have 2 OCZ 1 gig chips in my machine. I believe it's the graphics card. WHen i play games in bootcamp under vista, all is fine, after a few hours of gaming in vista when i restart and go into mac i get weird artifacts (i.e. i'm guessing due to heat). Locks up shortly after. Anytime mac is running for a long time with some type of graphical use it freezes up. AND if u notice, when it freezes, and someone pointed out, IT IS THE UI that only freezes, as i can move mouse and click on the dock (which doesn't appear) but can hear the hard drive loading up programs. Definelty the graphics card. APPLE FIX THIS PLEASE
    Imac 20 inch, Mac OS X (10.4.10)
  • d5dq Calculating status...
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    Sep 15, 2007 10:00 PM (in response to MJBug)
    I just posted this in another thread. Figured I ought to post it here as well. Below are steps to recreate the iMac freezing up. It's pretty surefire on my iMac.

    I found a site that discussed the same problem I'm having.

    http://metastatic.org/text/Concern/2007/08/20/instant-review-aluminum-imac/

    I looked in my error logs and it had the same ** ASIC Hang Log Start ** entry in it. Also, one of the comments has the steps to recreate this problem and every time I am able to freeze my iMac like clockwork. The steps are basically this:

    1. Go into iTunes. Go the iTunes store.
    2. Click on the TV Shows or Movies tab in the New Releases section (top middle section of the page). You should see a cover flow layout there.
    3. Scroll up and down the page really fast. Works best if you grab the scroll bar with your mouse.

    That'll usually freeze my computer in 5-10 seconds. I am guessing it's the drivers for the video card since scrolling up and down really fast would be graphically intensive.
    iMac 24", Mac OS X (10.4.10)
  • d5dq Level 1 Level 1 (0 points)
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    Sep 15, 2007 10:11 PM (in response to d5dq)
    I just upgraded to v1.1 and it fixed my problem!
    iMac 24", Mac OS X (10.4.10)
  • samt14 Level 1 Level 1 (10 points)
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    Sep 16, 2007 8:38 AM (in response to d5dq)
    My problems actually started after i upgraded to 1.1
    Imac 20 inch, Mac OS X (10.4.10)
  • totheend Calculating status...
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    Sep 16, 2007 10:27 AM (in response to MJBug)
    First of all, sorry for my poor English...

    I have the same problem during the War of Warcraft play. After turn off the Rosetta mode of Safari, everything seems good so far (about 4 hours play time).

    I can't play more today and I'll test it at tomorrow's 2-hours-WoW.
    Al iMac 2.4GHz 24", Mac OS X (10.4.10)
  • bmg870 Calculating status...
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    Sep 16, 2007 11:21 AM (in response to MJBug)
    add another one to the list...

    Brand new 24" 2.8 arrived in the mail on Wednesday.
    I logged into it this morning and it died.
    Can't power up, if I hold the power button for 5-6 seconds, then press it once, I can hear the fan inside give a half-hearted spin for 1 sec., then nothing.

    I tried all the "switch outlets" "clear SMC" advice from the support pages. I hope this isn't a sign of things to come....

    I will call Apple support on Monday I guess....
    iMac 24" 2.8, Mac OS X (10.4.10)
  • tlurquin Calculating status...
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    Sep 16, 2007 12:29 PM (in response to MJBug)
    Same here - already ran the "repair permissions", etc ... Full freeze happening 4-5 times a day - very frustrating since I am out of the 14 day return window and I am not seeing any communications coming out of Apple on how to fix this. I check for new software every day, hoping that they will provide a s/w fix, but no luck so far.

    Anybody heard or figured anything new on this front?

    -Thomas
    iMac Core Duo 20in, Mac OS X (10.4.10)
  • bluelakemusic Calculating status...
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    Sep 16, 2007 12:59 PM (in response to bmg870)
    Have you checked the RAM? Pull it out, push it in. Sometimes it's lose.
    Sometimes it' faulty if you bought it from a reseller.
    imac 2,4 20", PB g4, 1,5, Mac OS X (10.4.10)
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