Fans, Shutting Down, etc.

I have had my iMac G5 since January of 2005 and it has been working fine up until about a month ago. I have noticed a lot of people have had the same problems, but I haven't seen anything with both of these. So I will go through the whole problem.
First problem I started having was the fan noise. It became noticeable about a month ago when I would play something in Quicktime or run something through the Compressor program that the fans will go on high speed and never slow down till the program was terminated.
After doing some quick research, I decided to reset the SMU. It went back to normal for about a day and then it started acting up again. I decided just for kicks to run a virus scan, which also makes the fans run like crazy, and suddenly, the computer powers down. To make sure this wasn't a fluke, I did the led diagnostic, resetted the SMU again and ran the virus scan. Once again the fans go crazy and then within 7 minutes, the computer shuts off again.
This is a pain because each time it does that I have to open the case up and perform the led diagnostic to it. So I was wondering if this is the problem that Apple will fix for free sine mine is unfortunately out of warranty, or I am basically going to need to open my wallet.
Oh and I also used the online support chat thing, and got nothing too.

If you're opening the back and working inside the computer, it's critical to make sure the back is put back correctly. If the little tabs at the top aren't seated properly, the ventilation system will not work properly, which can result in the iMac shutting itself down.
It's supposed to slow its clock speed and put itself to sleep before doing an emergency shutdown, but, at least on mine, it didn't. It just shutdown as the fans spun faster and faster. Once I replaced the back, making sure it was seated properly, I quit having this problem.
Because the error I got was the same as I got when the UPS drained out during a power failure, a wild guess on my part is that the iMac didn't shut itself down becaue it didn't get too hot, but that it was shutting itself down because the power supply couldn't supply enough power to the fans to spin them up as fast as the computer wanted. But that's just out and out conjecture on my part.
In any case, you can see the shutdown cause if you issue this command in the Terminal application once you restart:
dmesg | grep shutdownFor a normal shutdown, I think you'll see this:
AppleSMU -- shutdown cause = 1I was seeing -110 as the cause until I re-seated the back on my iMac. Unfortunately, those codes are not published, which would be highly useful.
charlie

Similar Messages

  • My iphone 4 is stuck in super large screen view. tried rebooting, syncing, restore, shutting down etc. my grandson 'enlarged' the view more than is normally possible. Help please!

    My iphone 4 is stuck in super large screen view. tried rebooting, syncing, restore, shutting down etc. my grandson 'enlarged' the view more than is normally possible. Help please!

    Thank you for the prompt and correct reply, I'm now back in the land of the living and will now cancel my genius bar reservation at my local Apple store. Thanks again R.

  • My creative cloud started doing an update on Photoshop, then it just said cancelling, now it is hanging there and just saying cancelling and other products are waiting to update and just saying waiting. I have tried to restart several times, shut down etc

    My creative cloud started doing an update on Photoshop, then it just said cancelling, now it is hanging there and just saying cancelling and other products are waiting to update and just saying waiting. I have tried to restart several times, shut down etc, just the same.

    Run the cleaner tool and start from scratch...
    Use the CC Cleaner Tool to solve installation problems | CC, CS3-CS6
    Mylenium

  • IPod shuts down, comes back, shuts down, etc...

    I have looked on the board for this problem, and have found a few similarities, but none that actually match my case. So, here goes...
    First of all, my iPod: he is a very old 20GB iPod, a gift from Christmas 2003, and I have been considering replacing him or his battery, but I'm not sure that replacing the battery will fix this problem and I'd really rather not shell out $400 when all I want is my same iPod only working (I've got no interest in getting a new color iPod that holds a bazillion songs and plays videos and mixes songs and predicts my future and can save the world and everything--I just want to listen to music, that's all).
    Anyway, so the problem is as follows: my iPod worked fine for about two years, aside from some minor problems (for example, sometimes if I clicked on a song he would think for a few seconds and then move to the song after it--but all I'd have to do is go right back to the song I wanted to play, and there would be no problem). No real difficulties charging, holding a charge, going to sleep, waking up, etc.
    Then, last summer, I joined the cross-country team, and wore him when I ran, and he started having more problems. I have a little blue iPod belt-pack that I wear when I run, and it's supposed to keep the iPod from bouncing out and crashing onto the floor, which it does. However, it does not keep him from bouncing, and I think this is what started everything. I have a certain playlist that I listen to when I run, and sometimes he'll finish one song and the bouncing will mess him up and he'll skip several songs and move to one towards the end of the list (and refuse to play the skipped ones, even if I click on them manually--he'll just skip right over them again). I'm fairly sure it's the bouncing because I have noticed that if I run more slowly and softly when he's finishing a song, it reduces the chance of him having a hissy-fit and skipping the next seven songs.
    (I should probably note here that he does not always skip the same songs, and all of my music plays fine most of the time, so it's not a song problem.)
    Anyway, shortly thereafter he started having battery problems when I ran--occasionally he'd crash in the middle of a run, and display his Angry!Battery! sign when I tried to turn him back on. Annoying, but he didn't seem to have problems any other time, so I'd let it slide.
    A few weeks ago, however, he started having SERIOUS battery problems. I'd be listening to him when I was doing homework or reading or some other mundane activity that involves little to no real motion, and he'd suddenly shut down after about half an hour and display his Angry!Battery! sign at me when I tried to turn him back on.
    So this went on, and I got very frustrated, blah blah blah, and then he started being a NEW kind of broken.
    Now, he'll shut down with no warning (although I have noticed that it happens quite often when I am scrolling through a song--it's not nearly as frequent when I just listen to a song all the way through), but turn back on when I try to turn him on. The battery is displayed as empty, but it refills itself as he plays, until he suddenly gets mad and shuts down again. Sometimes, I can turn him back on, and he plays for a good amount of time; sometimes, I can turn him back on and he plays for about a minute and then dies; other times, there'll be an Angry!Battery! sign and I have to plug him in.
    So, to recap my most current problem, because this post is getting long:
    -iPod shuts down randomly
    -iPod turns back on, shows empty battery, but plays anyway and battery slowly refills
    -iPod shuts down again after about half an hour
    -iPod occasionally turns on and plays as normal, often for as long as an hour; if not, iPod either turns on and shuts down after a few seconds, or shows Angry!Battery! sign and refuses to turn on.
    Also I should probably mention that my brother got an identical iPod for Christmas the same year, and has never run with his or really used it for anything except listening to music when he studies or drives (he has one of those car gadget things), and doesn't have the same problems.
    I'm thinking it's a battery problem, but the fact that sometimes he'll shut down and then come back and play for his usual amount of time (remember, this is a 2003 iPod, so the battery has never been as powerful as the new ones), and also the fact that it happens most often when I am moving through a song, makes me wonder. Should I pay the $60 to replace the battery, or is it time to just get a new iPod? (I really miss running with music.)
    Thanks!
    -Brooke
    Dell Dimension 8300   Windows XP

    It's not the tracks that are causing it to freeze up. It's random!
    All these tracks have been on my iPod since day one and played fine and most of them are from iTMS anyway.
    So your suggestions is not quite relevant.

  • T440 - solid state drives and sleep mode, shutting down, etc.

    First time with a solid state drive.  With my T61, i tend not to actually shut it down unless i really need to.  I just leave it on, close it, and let it go into sleep mode - which i can tell its in because of the moon icon/light.  if i just need to move it around the house, i also only put it in sleep mode.  If I take it somewhere of course I shut it down first.  But that's always a pain, I tend to have multiple browser windows open with many, many tabs.  I just hate having to book mark it all (even using bookmark all tabs) then opening them all up again.
    So, I'm wondering
    1) there doesn't seem to be any light to indicate that its in sleep mode - but maybe it doesn't exist in the same way with a SSD? I was always under the impression that the point of that was to make sure the moving parts of the drive had stopped before you moved the laptop. 
    2) is it still ok for me to just leave it on most of the time like I do with my T61?
    3) Can I get away with not shutting it down when I take it someplace?  Other than the battery running down - why would that be a problem since it doesn't have a spinning hard drive? 
    4) Windows 8, ok this is really a different topic, but I'm here already.  When you shut it down, if for example, you have a bunch of browser windows and tabs open and maybe a couple of word docs - when its started back up, will it automatically open all that?  Or do i have to re-open all the windows, find the word files, etc.?
    5) Anything else I should know about a SSD or windows 8 that is significantly different from what i've had with my T61?  (other than the logo being upside down on the top cover)
    Moderator Note; subject edited; system type added

    Hi again,
    1. The red dot over the i in ThinkPad will pulse slowly when your machine is in sleep mode.
    2. Yes, absolutely. I use sleep instead of shut down almost exclusively on all machines I use
    on a daily basis.
    3. Same as before, you don't have to worry about doing anything different. The machine won't
    run out of battery during sleep mode for days.
    4. It doesn't matter wether you run Windows 7 or 8, you use your browser settings to set it to
    open the tabs where you left off.
    In Internet Explorer -> Internet Options -> General Tab -> Startup -> Start with tabs from the last session.
    In Chrome -> Settings -> On Start Up - Continue where you left off.
    Same option is available for Firefox too.
    But if you shut your machine down, your programs won't start up automatically with the files you had open
    before shutdown, but I'm sure you meant to say sleep, right? When you resume from sleep, everything you
    had open will be right there.
    5. No, not really. It's just a new generation of a ThinkPad workhorse with a new version of Windows, you
    don't have to change any of your daily routines you've gotten used to.
    Cheers,
    Atli Jarl.
    ThinkPad W540 (20BG) - i7-4800MQ/24GB // ThinkPad T440s (20AQ) - i7-4600U/12GB
    ThinkPad T440p (20AW) - i7-4800MQ/16GB // ThinkPad Helix (3698-6EU) - i5-3337U/4GB
    ThinkPad W520 (4282-W4Q) - i7-2720QM/32GB // ThinkPad T400 (2767-W1C) - P9500/8GB
    ThinkPad T61 (7665-CTO) - T7700/4GB // ThinkPad T60p (8741-C2G) - T7400/4GB

  • VN7-571G fan shuts down in stress = overheating

    Hello, I have 4 months old acer aspire VN7-571G-57MX. It has worked correctly before but now i have noticed for the last week that every time the machine is under hard stress mostly gaming, the fan does not work. I hear semi loud high pitch noice coming from the laptop but no fan sound and no air current. Ofcourse this means that the laptop overheats and i cannot use it as intended.. If I enter the desktop and wait around 10 mins for the computer to cool down, THEN the fan starts and the high pitching noice stops. So the fan actually works but only when no stress is applied to computer. The fan only shuts down in stress, which is ofcourse the opposite that it should be doing. I havent installed anything new lately, drivers are up to date:Model HD Graphics Family Device ID 8086-0A16 Driver version 10.18.10.3643GTX 850M = Driver version 353.30 Anyone experienced anything similar?I am thinking about updating the intel chipset with the intel drivers update utility and discarding acer installed ones but it says that it might cause techical issues. But can it be worse then this?

    Hi lucachenko, Make sure all updates are installed, you can try installing the intel drivers of course but i think you might have to end up contacting support because overheating and fan issues are not any good for your laptop and the more you keep using it like that the more problems are going to start appearing.  

  • Firefox fills complete screen - no close box - can't shut down, etc. Makes it worthless

    Opening firefox, takes me to default program Yahoo which opens to total full screen thus not showing any tool bars, no URL address field, and nothing at the bottom of screen either. Cant' even shut down properly. Downloaded the latest version and nothing changed. I really need this browser in order to work on web site. Oh yeah, can't see bookmarks either.

    Firefox's native "full screen" mode shows the menu bar if you move your mouse all the way to the top of the screen. Or you can press the F11 key to switch between normal and full screen.
    If those don't work, perhaps you are in a Flash full screen window? If you right-click, does the menu refer to Adobe Flash?

  • I have the imacg5.  The entourage applicaion is frozen when I open it.  I have tried shutting down etc.

    I have an ImacG5.  The entourage application freezes right after it opens.  I have tried shutting down and restarting but doesn't help.
    I know this is an old system but has worked fine until yesterday.

    Try holding down the option key when restarting Entourage, this will rebuild your data base and might solve the problem.

  • IPod 5.5G Video, 30GB, No Sound Audio, Play/Pause Won't Shut Down, etc.

    Even though I have marked this topic as a question, it is more of a heads up for those having problems with Sound and Audio on the 5th Gen (Video) iPods.
    I was having audio problems like many others are describing and took it upon myself to look into the cause. I found that there is a problem with a flat ribbon cable that connects to the main board of the iPod. The issue is that there are very thin, gold plated traces of copper on a somewhat thin plastic backing which fits into a ZIF (i.e. Zero-Insertion-Force) connector.
    At issue is the amount of bending of the plastic cable when a clip on this ZIF connector is 'locked'. It seems that on some of these plastic ribbon cables, these small gold plated copper traces will crack and break, causing sound to come only from one channel or the other, or for scratchy sound, and even possible problems with the Hold switch. (I removed my Hold/Headphone Jack cable assembly and confirmed this under a microscope.)
    I don't know if the cracking is immediate upon the connector being locked, or if there is some length of time before cracking will occur. I also cannot say if this is truly a problem with the ZIF connector force, or the copper on the ribbon cable. There are different problems if the copper is too thin or too thick. Other problems can cause the copper to break, have problems adhering to the plastic 'ribbon', etc.
    Since this cable not only includes Left/Right Audio, but the Hold switch, units with this problem may not only have audio problems, but apparently have problem with the Hold switch not functioning properly and issues with Holding down the Play/Pause part of the Click-Wheel to power down an iPod. Another issue appears to be that the 'Clicking' noise of the Click-Wheel either becomes quiet or disappears altogether.
    Ok, here's the question part...
    Apple, do you have any knowledge of this issue? Is it systemic, or just several isolated units? Since the 5.5G is not in production, is it out of the question to hope to get a discounted repair or replacement part? What would your typical response be?
    (Note: I had an AppleCare contract that apparently doesn't run out until October of this year, but because I took it upon myself to open the unit I understand that this is now voided.)
    At this point I am thinking of buying a replacement Hold/Audio ribbon cable to install myself, but am very concerned that the part I purchase may also have these issues.
    Sincerely,
    Nobuo

    After all my worry, concern, and consternation, I took my own advice and went to see the Genius Bar at the local Apple store this afternoon on my way home from work, just to see if they knew about this issue. At least I was expecting they would tell me I was out of luck for opening the iPod, at most I thought they would take it in for service and then let me know they found I had opened it and that I'd have to either pay for service, buy a new one, or that they'd simply be returning it as is. Instead they offered to replace my iPod.
    I don't know if this was because I was starting to make other customers nervous (talking loud is a habit when I get anxious), and they said they don't work in individual parts like the flex ribbon cable which I told them in detail was defective - I even mentioned that I had tried to fix it by applying solder to fill in the breaks in the gold traces. But after 20 minutes of them listening to me and continually offering to exchange the iPod (not one, but two Genius' at the Genius Bar were offering me an exchange) - I gave in.
    I have to say parting with it was a bit of an emotional thing - I still had all my podcasts, songs, photos, etc, on the iPod (I would have wiped it, but I really didn't expect much - I don't know what I was expecting). Maybe I was thinking of all the Smart Playlists I would loose (again), and have to recreate (again), or maybe it wasn't wanting to part with it because I figured it would be my mod-ing unit (I had seen what some did to add 32GB Compact Flash to their iPods and was tempted to do this myself). It was a very lonely 30 min drive back home.
    I am still a bit gob-smacked with a 'New' 5.5Gen Video iPod. Part of me wants to thank Apple, and part of me wants to cry at loosing an old friend. (And I am sure there is a part that is sad that it wasn't me that fixed it.) I was also pretty well put in my place by the Genius when she said not to open the replacement. (If you've ever seen those TV shows where the actor becomes smaller and smaller when being scolded, that was me in the store.)
    The moral of my story is - *do not hesitate to take your product to Apple if you think it needs to be fixed!* It all definitely made me feel like Apple employees really do understand the value of 'Customer Service', even when the customer isn't always right. I hope others will learn from my mistakes.
    Sincerely,
    Nobuo

  • MBP Random Shut Down

    My daughter has a recent 13" MBP running 10.6.2. Lately, since the 10.6.2 upgrade, the machine has taken to randomly shutting down. There doesn't seem to be a pattern. This evening she lost a couple of hours of work because of this (and not saving often enough). Has anyone else experienced this? I haven't found much on the forum.
    Rick.

    I agree with previous posts.
    I was having similar issues and here's what I did:
    -download the combo 10.6.2
    -repair permissions
    -update 3rd party applications (i.e. Flash)
    -repair permissions and verify disk to be sure (again)
    -reset PRAM
    -restart
    -reset SMC
    -also did a hardware test from the Apple Care Tech Tool
    Sounds like paranoia but all of my issues were frustrating - kernel panics, application running slowly, random restarts, hot temps, fans 6000+ RPMs, iDVD, CPU spikes, slow start and shut down, etc.
    As of now, no issues and everything is running smoothly. Actually, SL is running faster than ever before. Flash websites are operating fine.
    Hope this helps for anyone else.
    Message was edited by: TKNY77
    null

  • Macbook Pro will not shut down/restart/sleep/log out after Mountain Lion update

    Dear all,
    I upgraded from Lion to Mountain Lion yesterday and since then I have encountered a few issues:
    - The only way I can shut down my computer is to hold down the power button or entering commands in terminals. The commands under the Apple menu do not work at all. No window opens when I click on it.
    - The about this mac, force to quit, sleep, shut down and restart button, log out do not work.
    - When I restart my computer, it takes 3-4 minutes to log into the account (it used to be less than 1 minute, I have an SSD).
    I have tried all of these solutions to solve the problem:
    - I created another user account and I do not encounter the same problems. It logs in quickly, can shut down etc.
    - I have repaired the disk and the disk authorisations using disk utility
    - I have cleaned up all caches and did maintenance using OnyX
    - I have cleaned up all ACL using terminal
    - I have never installed Kapersky (this was the cause of the problem for some people in the past)
    I am starting to be a bit short on ideas. All I know is that there is a problem with my user account. I do not want to do a clean install as I have quite a lot of work stored on this user account and preferences that took me ages to set up. If I have to start fresh I will but I would rather avoid this extreme solution.
    Has anyone else experienced such an issue? If yes, how did you solve it?
    Thank you very much

    Had the same problem and this worked for me:
    Try deleting following two items:
    ~/Library/Preferences/com.apple.dock.plist
    ~/Library/Preferences/com.apple.dock.db
    Make sure you take a screenshot of your current dock since deleting these files will reset your dock to default.
    Now open terminal and do a sudo reboot w/ your password.
    This solved the problem for me.

  • Cannot restart or shut down...

    From the apple menu I cannot shut down, restart or log off. When I click shut down, etc from apple menu, nothing happens. I can't force quit and I cannot access about this Mac either.
    All other items in the apple menu are working.
    The only thing connected to the computer is my printer.
    Any ideas?
    Thanks!
    Keely

    Hi Keely,
    One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for action in Safe Mode... does it work there?
    Reboot, test again.
    PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.

  • Sleep and Shut-down menu commands

    Our 500 MHz Power PC G3, upgraded to system 10.4.6, is a great machine and a real work horse for us. However, it has been acting up lately. The apple symbol drop down menu command that puts the computer to sleep, restart, shut down etc. will not respond. The key board commands for sleep etc. also don't work. I tried the Disk Utilitly- First Aid, both Disk Repairs and Permissions. "No repairs were necessary" for both. I even reinstalled OS 10.4.6 which seems to have complicated the problem and ate a big chunk of our precious little harddrive memory. Now every time I start up I get the warning message, "Application Launch Failure" The applicaton "Transport Monitor' could not be launched
    because of a shared library error:"8<Transport Monitor><Transport Monitor><HotSyncLib.PPC><"
    Could this be the root of the drop-down menu problem?

    As I said, a weak or dead PRAM battery can reportedly cause odd startup issues. If it has never been changed in six years, that's a really long-lasting battery, even if the iMac was kept on continuously.
    They are pretty cheap from the right source, so you may want to try changing it.
    http://eshop.macsales.com/item-specials/Newer%20Technology/BAA36VPRAM/

  • IMac seems to randomly shut down

    This is very strange...my 2.0GHz iMac G5 (May 2005) appears to be randomly shutting down. I don't know much about the problem because it usually happens during the day when I am at school. I checked the Power Saver settings and I have it to never sleep, never shut down, etc.
    Any other possible causes for this problem? It's minor but frustrating. Thanks!

    Actually....I read the article a little more thoroughly....
    "The program is available for certain first generation iMac G5 models that were sold between approximately September 2004 and June 2005 featuring 17- and 20-inch displays with 1.6GHz and 1.8GHz G5 processors.
    The affected iMac G5 computers have serial numbers where the first 5 digits fall into the ranges noted below.
    Serial Number ranges:
    W8435xxxxxx - W8522xxxxxx
    QP435xxxxxx - QP522xxxxxx
    CK435xxxxxx - CK522xxxxxx
    YD435xxxxxx - YD522xxxxxx
    Some second generation iMac G5 computers have serial numbers that fall within the upper band of the ranges listed below. Only first generation iMac G5 computers are affected by this program."
    It seems my iMac is a second generation. Luckily, it's still under the one-year warranty. I'll have to look into this.

  • Won't shut down, restart or log out

    Running 10.4.10 on G4. Will shut down apps but does not do anything further. Also, screen saver hot corners don't work. Don't know if that is connected to the shut down, etc. problem.
    Looked at HD, lib, startupitems folder but it is empty. Eliminated startup items thru sys prefs but no help there either.
    Recently installed ITunes 7.3.2 and security update.
    Maybe time for an iMac ??

    Just adding another voice to the chorus.  Since upgrading to Mountain Lion my computer will not sleep.  The cursor freezes when I try to invoke sleep but the computer and monitor remain on.  The cursor unfreezes when I tap the spacebar the way I would normally do to wake from sleep.  Fortunately, shutdown, restart and logout function normally, so I guess I should count my blessings.  This isn't my only problem with Mountain Lion, but I didn't want to muddy the waters on this thread with other issues.
    Dual quad-core MacPro3,1

Maybe you are looking for

  • Safari & Growl

    I was updating my Wordpress site yesterday via a Safari and had a number of issues including slow loading pages+ pages that would not load. I did the standard Pingback and Telenet and my site works fine with alternate browsers like Firefox and Google

  • How do I transfer pictures from iPhoto to an iPhone 5 without using iTunes?

    Hey there. I have version 10.5.8 on my macbook, but an iPhone 5, which basically means I can't open my iPhone in iTunes. However I would like to transfer some photos from iPhoto onto my phone. Does anyone know how this is possible? Thanks so much!

  • Bridge unable to read cache?

    I have an error message 'Bridge encountered a problem and is unable to read the cache.  Please try purging the central cache in Cache Preferences to forrest the situation"..  will this get rid of my photos?

  • Diferences between frame and applet

    Hello all I have a problem with using an applet, In my applikation i have a simple frame which shows some rows of a table in a mysql database. I thougt i just can use this frame in an applet, but allthough i see the applet in jbuilders appletviewer i

  • How do I completely uninstall Xcode and Developer Tools?

    **Sorry if this isn't the place to ask this, but I really didn't find a section dedicated to this, so I'm asking it here.** I installed Xcode and the Mac developer tools from Apple's developer site page and I'm not going to use it (for the time being