Intel Mac :: Different Revving Noise And Freezes?
Apr 27, 2012
My mac will make strange revving noises continuously now that last for a second or two, and occasionally this is followed by complete freeze. On one occasion I took the mac out of sleep and the rotating buffering icon you see under the apple during startup appeared on top of the normal desktop and open applications, along with a complete freeze that was impossible to get out of without switching off the computer. This has happened before, and at that time I managed to make it stop by switching to booting up from an external hard drive and wiping/ignoring the internal one completely, as well as increasing the rpm of the fans which seems to help immensely (although now they've obviously stopped being as effective).
Info:
iMac, Mac OS X (10.6.8)
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Oct 5, 2007
My PowerBook G4 has been slowly dieing over the last couple of month, ever since I told it was going to get replaced with a MacBook Pro early next year (hopefully around MacWorld). The Airport signal is slowly decreasing and I'm in the same room as the wireless router, the mouse touchpad in parts is loosing sensitivity, there are randomly hard freezes of the system, etc.
But over the last couple of days I have noticed a strange noise coming from the fan (well that's guess), it sounds like its sighing, I know it sound ridiculous but it's the only thing it reminds me off. It comes and goes (the sighing) but it is constant and it's really starting to: 1) Freak me out that my computer could die and day, 2) Annoy me. I have a sound clip (.amr - also converted to .mov) does anyone know how i can upload it onto here or a link, so people can hear what I'm experiencing.
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Dec 21, 2006
I have a Dual 1.8 GHz PowerPC G5 with 2.5 GB of RAM. My fan starts revving really loud when I am using multiple apps (Adobe CS2, Firefox, iTunes) and while watching a video tutorial or AVI movie (both saved on my desktop). It also happens when I am just watching a AVI movie with no other apps open.
I just added one GB of RAM yesterday thinking maybe this will solve the problem since I am running multiple apps. This did not resolve it. So I searched the messageboard for threads on fan issues similar to mine. I read it may be caused by the tempature in my room. I keep the tower on my floor on top of 2 pieces of wood about a 1/2 inch thick. I live in a small brick studio apartment so the tempature is usaully between 60 to 70 degrees.
I looked into smcfancontrol but it looks like its for laptops only.I also do not have a utilities program for my computer yet. I was wondering what was the best program out there to clean up/tune-up my hard drive so its running at maxium speed.Has anyone had experince with this issue and have any answers? I am concerned this may be very detrimental to my computer in the long run.
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Oct 17, 2007
I get some fan noise occassionally on new Intel iMac .. is this normal ? Sometimes their is no noise .. apart from this everything is working fine ... look forward to some replies in regards to fan noise.
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May 17, 2012
I am hearing a loud noise on the fan of the imac and it is ejecting a lot of air. In the year I used it it has never happened , even when it was hot the back. is it normal?
Info:
iMac, Mac OS X (10.6.8)
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Jun 2, 2012
When i use my imace im getting fan noise from bottom of imac i never expect this issus from apple product?
Info:
iMac, Mac OS X (10.7.4)
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Feb 18, 2012
The fan goes on after 30 minutes of use, what can I do
Info:
iMac, iOS 4.3.3
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Mar 28, 2012
Just purchased my first iMac last week and yesterday I noticed a clicking sound when I turn it on. Is this normal?
Info:
iMac, iOS 5.1
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May 7, 2012
is this normal , the comp is not heating though
Info:
iMac, Mac OS X (10.7.3)
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May 24, 2012
What's the cause of all that noise? I just bought it!!!
Info:
iMac, Mac OS X (10.7.4)
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May 29, 2012
My iMac roars like a lion from time to time; truly frightening! This sound (which just happened as I was typing this) is followed by a "pop" sound.
Info:
iMac, Mac OS X (10.7.4)
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Jun 26, 2012
when my imac starts up there is a sound, not a this mac has a problem noise but it's more like it should happen?
Info:
iMac
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Dec 20, 2010
I just got my 2.0ghz Alu Macbook a few days ago and everything works perfectly well, the thing is that after day one the magsafe started to emit a low pitched electrical whistling noise. It tends to be there a few minutes after booting into the OS and then it turns down to almost unhearable, but I experienced it returning after a few hours of use and then disappearing again. If I move close to the escape key I can hear a crackling noise emitting from the magsafe.I'm not trying to be overly nitpicky or anything but I read somewhere that if it's doing that it would be a faulty Mag-Safe board or something.
Does any one you guys know anything about this? I have the 14 days to return it as I bought it online from the Apple Store so if it's a faulty part that might die/break/ cause problems later I might have to.
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Oct 1, 2009
Sometimes I lift and carefully move my 17-inch MBP a short distance to another flat surface without putting it to sleep mode, it starts making really loud mechanical noise when I put it down, so loud that people in the same room can hear the noise and I can feel vibrations too! What causes this? Where does this noise come from? Is my MBP defective?
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Dec 26, 2010
My first generation unibody Macbook hasn't had any problems to this date but now it's constantly making that mechanical loading-like noise which is usually heard when the Macbook is switched on (the noise before the start up sound) or when the lid is opened to wake up the computer. Is there a fix to this?
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Jun 6, 2009
On my 13" MacBook Pro, the hinge makes a cracking noise on the right side of the computer (near the power button) when the screen is positioned all the way back.The entire hinge also makes a loud popping noise when I adjust the screen position. The screen seems very tight, and it takes a little bit of effort to move the screen, and when the screen is moved it makes the loud popping noise.
This is probably going to make some of you guys cringe, but sometimes putting pressure down on the top of the case close to where the black hinge meets to unibody enclosure seems to stop the popping noises. Putting downwards pressure on the hinge, or flipping the computer over and putting pressure on it that way, also seems to alter how much popping noise there is.
If I mess around a bit with applying pressure on different parts of the computer around the hinge, I can usually eliminate the noise. But, the cracking noise when I put the screen all the way back is still there.Any ideas what to do? It's not interfering with the operation of the computer, it's just incredibly annoying and this is only a four month old machine which shouldn't be creaking and cracking already.
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Jul 14, 2008
Has anyone else had problems with an old G3 Pismo making an annoying squealing noise when plugged into a charger? There's a lot of noises mentioned in mac/apple forums but none of them relate to this one. Here's what it is not:
It's not coming from the screen or the fan or the speakers (it's under the keyboard). It's not low or slightly annoying (it is a loud squeal). It happens only when the power adaptor is plugged into the laptop.(it used to cease after I unplugged the power adaptor and plugged it back in three times; now that solution doesn't stop the noise anymore). It charges ok, and runs ok, scream or no-scream. It's quiet right now, but if I move the adaptor to another plug it will start again.
I was going to live with this, but today after an hour of operating quietly it just started again, and I hate to leave the house with this going.(it will scream whether the laptop is on or off. I have a really old battery and cannot replace it (I am currently staying in Mexico for the summer). Battery life is 45 min. I haven't tried pulling the battery out. That would be too easy.
This all started when I bought a replacement power adaptor (generic),after the original one melted down, but I could stop the screaming by unplugging/plugging it in again once or twice. Then I bought an expensive iGo adaptor, and it does the same thing.
I Did the PRAM and PMU reset.I can hear it over music or the tv. It grew lower in pitch today after squealing for a half hour. I'd normally not let it go on that long, but i was
in the other room.Is my PISMO dying?
(400 mhz pismo G3 500 sdram, osx-10.39, no os-9 or Classic, new 80g HD)
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Apr 10, 2012
Is it ready for replacement and can the burner be ordered n replaced at residence with a guide? Have burned about 400 cd"s thus far
Info:
iMac, Mac OS X (10.6.8)
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May 24, 2012
My iMac (27'', mid 2010, Core i7, OSX 10.7.4) recently makes some trouble with its DVD drive: The drive often makes horrible noises like a shredder. In this context the disc sometimes doesn't eject. Only Rebooting works. More and more frequently the drive hangs, the connected application (e.g. iTunes, Auditri or Handbrake) hangs and also Disk Utility. Rebooting doesn't work (white freezing screen), only shutdown and complete startup with clicked Trackpad to remove disc. Is it a hardware or software error? The iMac is still qualified for AppleCare. Should I make a repair request to Apple?
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.4)
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Jun 8, 2012
I have an iMac Intel that freezes after start up. It looks like everything is fine until I try to do something and then I just get the spinning colour wheel. I can't even open System Preferences without it locking up.
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Aug 19, 2008
I'm new to this forum and I just bought a new iMac 20" 2.66GHz, I turned on my computer and noticed a weird sound (buzzing or humming noise) not loud but loud enough to here I notice when I messed with the Brightness it went away is there something wrong with that or is that a known issue?
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May 6, 2012
I purchased a 21" iMac a couple of months ago. Today it started making constant buzzing/humming noise. It's not really loud, but it is noticeable and annoying after a while. It stops if I put the computer in sleep mode or turn it off, but it starts back up the moment I turn it back on again. It sounds like it is coming from the bottom of the screen near the speakers. I have tried adjusting the brightness and volume, but to no avail. I also tried lifting the computer off the desk to see if it was just vibration, but that did not make a difference either.
Info:
iMac, Mac OS X (10.7.3)
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May 11, 2012
I have a 2006 White Intel Imac and I recently replaced the Superdrive with a non apple Panasonic Superdrive Model: UJ-85J-B from a used Acer Laptop. The replacement drive has no sensor circuit board. After putting it back together there was a loud humming noise and I assumed it was the new drive but when I took it out and started the Imac without it the noise remained? Now I am thinking it is the fan just below where the Superdrive sits? I blew out as much dust as I could from this fan and around the bottom of the case and that made the noise just a little less annoying. It sounds like it is about to take off like an jet airplane?Â
Info:
iMac, Mac OS X (10.6.8)
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May 23, 2012
I have noticed this buzzing noise (like crackling electricity of sorts) coming from the left side of the machine out of the cooling vent. I bought my IMac in 2010 and have not had any problems with it until now. I noticed the "noise" a couple of months back and it would show up here and there every once in a while, it was not annoying, so I let it be. Until this last time, when the noise was loud and annoying, I could not just forget about it. I am under warranty and called into Apple to see what can be done for this problem.
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.4)
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Jun 30, 2012
I have searched and googled in different forums and found this issue but never found a good resolution or explanation. many of the posts were related to 2009 or around that time. since yesterday I started to hear a noise like clicking or something (it's a hard disk noise that we all know and have heard) from my hard disk. I have no clue where it comes from. my mac is absolutly idle and no huge process or I/O is going on. its happing once in 10 minutes maybe. Well, I want to start observing it on when exactly it happens! but to me it should not happen!
Info:
iMac, Mac OS X (10.7.4)
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Sep 4, 2014
My iMac suddenly making a really loud noise and I had to turn down the computer and reboot it
This happened several times and I'm not sure what is the cause of it
Info:
iMac, iOS 7
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Feb 6, 2009
Having some trouble with my iMac5,1 - Intel Core 2 Duo - 2.16 GHz. It's about 2yrs old. Symptoms include: 1 - freezing when I open, close or move windows too quickly, open too many windows and/or when I multi-task in general. Anything processor intensive is unreliable. 2 - apple mouse cursor shoots off to the side of the screen for no apparent reason and scroll button is unreliable. 3 - lines across the screen that resemble pixel drop-outs - they come and go. I'm still running 10.4. I've wiped out my hard drive twice in the last 2 months and started over from scratch. When I re-install 10.4.0, it seems to run fine. until I run the system updates. That's when my trouble begins again. I've also cleared out my caches and histories repeatedly. I've run the Disk Utility repeatedly. This is getting serious. My PC at work is WAY more reliable than my Mac. I'm considering switching back! I owned a G4 for 7 years and was very happy with it. Was the switch to Intel a bad idea?
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Jan 7, 2010
I was working with logic pro 8 on a project when the APP crashed. Then, the whole computer became real slow. I couldn't open anything without getting the spiraling rainbow circle for at least 3+min and even then the app wouldn't launch. So I shut down normally, which took a while.
After I left it off for about a min or so, I tried to boot again just to get stuck on the gray screen with the apple logo. I did some research on my phone (since I currently don't have internet because I'm moving this week) and found out how to reset the pram. I tried it, and this time it got all the way to the blue screen where it got stuck. I tried resetting the pram a second time to finally get to the log in screen but everything was going very very slow. Unusable type of slow. Opening a new finder window took at least 2 mins and everytime I ran my mouse across the idock, it would freeze.
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Feb 3, 2012
My iMac randomly freezes and crashes on me. Most of the freezes occur when scrolling with my trackpad on websites with Google Chrome. I get the pinwheel and have to use the power button to turn off and on the iMac. I haven't noticed any particular connection to Flash websites or video related sites. It just seems kind of random. I've also been careful to have absolutely nothing else running and it still does not prevent it. Â
Also, from time to time the iMac will crash and go to a solid color screen. Either Blue-Gray, White or Black. It seems to be random colors. When this happens, I have to use the power button to cycle it off and back on again.Â
Some info about my iMac: Model Identifier: iMac7,1 Processor Name: Intel Core 2 Duo Processor Speed: 2 GHz Mac OSX 10.6.8Â
What could be causing this or how can I diagnose the problem? I can give more info if needed.
Info:
iMac, Mac OS X (10.6.8)
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Mar 14, 2012
I've got an imac with Snow Leopard on it. It has started to freeze up quite a bit, maybe once every two days. There are four profiles on the computer and it happens to them all.I have reparied permissions in each profile and run the Hardware test both standard and extended and it returned zero problems. I've reset the PRAM and NVRAM. When it freezes up the only thing that still works is the mouse. It moves the pointer but clicking doesn't do anything. Trying to force quit applications doesn't do anything. I tried unplugging the keyboard and plugging it back in, thinking maybe it wasn't really freezing but just a bad keyboard but that didn't do anything--and neither does rightclicking on anything.
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