OS X :: G4 IMac Weird Fan Sound - Won't Turn On
Mar 20, 2009
My G4 iMac has been making a weird fan sound (a flickering sound, as if there were a piece of paper in it or something). Last night I turned it off and the weird fan continued running. I tried to unplug my mac and plug it back in, but the fan just starts right back up. The computer won't start, I've tried holding the start button but nothing happens. I need my computer today to work.
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Feb 12, 2010
Any time I boot up my i5, I don't have any audio. Putting the machine to sleep then immediately awakening it fixes the issue. Has anyone else had this happen? I've searched the forums and google but could only find threads about boot camp sound issues.
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Mar 14, 2009
I'm fairly new to the MAC world and have not found my way around this computer completely. I have seen a commercial of an iMAC sending email and a swishing sound occurred when the email was sent. I wonder how one turns on the sound that indicates the email has been transmitted? And, are there choices of different sounds for this purpose?
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Sep 17, 2008
I'm on a 2.4 GHz MacBook Pro, just updated to version 10.5.5. Today, it seems some strange sound output issue has cropped up. Using either the laptop's built-in speakers, or the headphone jack connected to an external pair of creatures, the sound turns on and off intermittently. When I go to System Preferences -> Sound, and select output, the "Choose a device for sound output", I have: Name: External Speakers, Type: Built-in Output. Then occasionally switches to something else, a little too fast to read. Looks like "Something Output (ispk)". Every time the sound goes out, the Balance goes to "The selected device has no output controls". Weirdly, right now, I've got nothing plugged in, and its switching between Headphones, Internal Speakers, and Built-In whatever. Basically, it looks like the sound output stuff is wigging out. Sound works fine through a USB headset.
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Jun 2, 2014
This situation began when I put my Imac on sleep. After, the screen turned on in black whit the cursor but I couldn't do anything.
Then to rebooted the machine, the apple logo and sound began fine but the screen turned off, so moving the mouse the screen turned on in black with cursor.
I'd tried many ways, resetting the PRAM, SMC, repairing the disk and permission, analyzing hardware, repairing fsck files.
Suddenly, when I entered in Verbose mode, mi imac brought into user choose screen and worked fine, but when I shut down and tried to start my mac in the next day, it didn´t work again.
Info:
iMac, OS X Mavericks (10.9.3)
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Aug 5, 2009
I don't know how to describe it. It's almost like the pop sound you get when you raise/lower the volume, but it happens when you're doing nothing. Like the MBP is hiccuping. A very slight quiet noise, but it's strange and disturbing nonetheless. It's not a mechanical clink, like the HD or something, but a little 'pop'.
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Oct 1, 2010
When I pick it up, or when I move is suddenly (even just slightly), I get a horrible sound from the back right hand side. It sounds like a someone is putting a piece of plastic into a spinning fan. It also kinda sounds like the hard drive head hitting the disk (scratching sound). I know that these things are meant to have a movement sensor which actually takes the head OFF the disk, but this sounds like its doing the opposite (scratching the moving disk). If I do it while watching a movie, the film freezes for a second at the same time the sound can be heard - so it's definately something to do with the hard drive.
I have done some research but everyone talking about the sudden movement sensor has described the sound as a "click", not a scratch. Can someone confirm this is normal, or abnormal? It's happening quite a lot - e.g. if I just pick it up it occurs. I've had loads of laptops and this is the first that seems to make a sound whenever I move it...
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Sep 28, 2008
Just bought today, brand new mac pro 8 core 2.8ghz. I get a weird click on both boot and start up or when I put the computer to sleep or wake it. It's a single click, imagine the sound of someone lightly flicking the side of an empty Pepsi can. It's not random, I can make it do the sound simply by unplugging or re-plugging the power cord in the back. Is this normal?
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Feb 21, 2009
when i use expose or open dashboard or any other screen for that matter that opens up, i always get a high pitched "grinding" noise coming from my display. It wasnt there before and all of a sudden it starts doing this? im very confused about this as i have no idea what it could be
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May 5, 2009
I have a new 2.0ghz, 4gb ram, 320gb hard drive Macbook and it makes weird clicking noises from time to time. Is it just the machine loading or is there something else wrong with it? This clicking is very annoying and when I am typing up reports and schoolwork it sometimes makes it hard to concentrate allthough very quiet.
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Sep 11, 2009
Ok, this is kind of hard to describe without a recording of it but my MacBook has this frustrating fault where it beachball's without warning and produces a really hard to describe sound every few seconds. The best I can come with to describe it is an "uh-oh" sound from around the keyboard area. It hangs like this for anything from 2-10 mins and will be pretty much unusable in that time.
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Nov 12, 2009
For the past few days my MBP has been slow. Ridiculously slow. Beachballing to open safari etc. I have just noticed that as it tries to load things it makes a weird sound. A short burring sounds followed by a long one then a short one. Don't know if that is relevant. Earlier today it froze so i had to do a hard shutdown (hold down the power button) and then it wouldn't boot. I ended up booting it off the snow leopard disc. This problem seemed to start when i started playing wow again but i had it installed for a long time. Could this be heat related?
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Dec 18, 2008
I just bought a MacBook Pro and a Weird sound such as a disc scratching is coming from it seems my Disc drive. This only happens when I start the computer up or wake it after the HD goes to sleep. The notebook is brand new and not sure if this is normal.
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Mar 11, 2009
ive had the unibody macbook 13" since dec and its been running smoothly. the other night i shut the lid and put the comp to sleep just like every other night, i put the computer on the floor gently and woke up about 6/7 hours later. when i turned it on, i hear this weird buzzing...purring....ticking? i guess i dont know how to describe it. im sure its not the fan cuz i have istat and it would tlel me if the fans going crazy fast...which it isnt, so yea what do i do...is this a serious problem? can i get this fixed?
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Mar 16, 2010
it only sounds like the machinery inside getting into gear, and it doesn't sound like anything's broken, but i wanted to make sure nonetheless instead of whining about it to apple and have them look at me like i'm crazy.
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Sep 8, 2010
2 days ago i received my new mac pro 6-core 3,33GHz...now something really weird and super annoying is going on with this computer...From time to time there is this really loud POP trough my speaker. I'm absolutely 100% sure this has nothing to do with my amp. cables or whatever and its definatly a problem with the MacPro, i know because of the following:
Plugged in new cables, removed every installed software, plugged onto different amplifier, when there are absiolutely no audio cables plugged into the computer and when i use the build in speakers of the mac pro i still hear the POP/distortian like sound, and finaly even took it at my friends house and tested the machine there on his audio instalation...problem remained! not knowing what to do next i decided to go and see a very good technician (music instruments and studio recording) and told him about the problem, he imediatly stated that it "could be" because of the harddisk drive giving like electric impulses or whatever that causes the distortion...or that the sound card or audio chip set waking up from sleep and every time it does there is this loud POP?..................
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Oct 26, 2008
Is it possible to turn of the sound of one safari window and keep the sound on in another? If it is, how do i do it?
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Dec 24, 2009
now what I have noticed is that the same monitors (speakers) i had with my older imac (24") are constantly making a louder "white noise" than what they used to (didnt bother me that much but i definitely noticed a louder volume of white noise). The thing that really bothers me is that whenever i scroll the mouse, or click and drag an object in photoshop or something the monitors are making a really noticeable disturbing scratching sound sound ...just cant seem to make it stop..its so annoying.. i also tried to record something and the imac recorded it in a really low volume and unstable wave (volume going up and down). so i figured well obivously the soundcard of the new imac was real bad..so got me an external soundcard, Emagic emi6|2m and i figured it would solve the problem. installed the soundcard, and played a song and suddenly a high pitch noise, kinda loud and really disturbing, started coming from the speakers.
2 seconds after i pauseded the song, the sound stopped. play the song, the noise comes, stop the song, noise stop after 2 seconds. if i open up Logic, the sound just starts no matter what. quit Logic and the sound stops. just now i opened up a youtube video and the sound just started going off even after i paused the video. now the sound comes everytime i choose the Emagic soundcard in the sound preferences. its kinda real loud and its bothering me so much, i cant seem to make it go away and definitely cant work with it. When i tried installing the soundcard on my brother's laptop windows with the same speakers, everything was fine and it played perfect with no noise. whaaaaat can i possibly do, this actually really frustrates me.... whats wrong with the computer? something with electricity?
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Oct 28, 2009
Back in August, I did an OS update on my iMac, and the machine wouldn't reboot. I was able to reinstall Leopard by booting from a disk, and all was well for a few more weeks. The machine seemed to run normal, with the exception of 5-minute-plus boot up times. But within a few weeks it stopped booting. I installed Leopard on an external HDD and figured I'd leave the internal alone until Snow Leopard came out.
A few weeks later when SL was released, I booted from the install disk, found the internal HDD, and went through the installation process. Everything went fine but the machine would not boot. I installed SL on my external HDD running Leopard, and everything was fine. I've since been running my computer off the external.
The internal HDD no longer shows up on the desktop, in Disk Utility, etc. I'm fearing it may have died. More worrisome, though, is my machine doesn't always boot up, whether from my external HDD (set as the startup disk) or from CD. By "doesn't always boot up," I mean most of the time when I restart, it just sits on a gray screen, nothing happens (even when holding "Option" or C.) Sometimes it will boot, but takes 20 or 30 minutes to do so.
I'm considering replacing the internal HDD, but am curious, does that seem like the issue, or might the failure to boot from externals and CDs indicate a more serious problem?
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Sep 22, 2010
Just noticed a problem with my 2009 Aluminum MacBook Pro. Whenever i move my MacBook Pro it makes a weird creak dull ringing sort of sound. I also hear this sound when I press on the underside or grip tightly to it.
What could this be?
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Dec 22, 2009
I am not sure how to describe it properly, but since 10 minutes ago, my trackpad on my 13"mbp has been making a weird clicking sound. Normally, it makes a click which is regular, just like the store units/how it should be, however for the last 10 minutes the BOTTOM RIGHT CORNER ONLY makes a weird longer noise which I cannot properly describe. its almost like a rattling noise, or something that sounds like its breaking. had this mbp since july this year, and i do have apple care (got it on student discount price!!
Just wondering if you know what the problem is, Or if it is going to be a problem/if trackpad may be breaking Or if I rang apple/took instore what would they do. Reason why I havent immediately took it in is because if MBP could get new processors soon, I could take it in after refresh in the small chance I get a new computer replacement..........
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Jan 22, 2010
my imac boots normally unless three things happen prior to it
1. i put the computer to sleep
2. i schedule a shut down via energy save
3. my computer undergoes a forced shutdown e.g. via power button or power failure
if any of these occur i get the infamous flashing question mark, however if i wait 30 mins it boots normally again, is there a reason for these problems other than a failing HD and can i do anything about it
f.y.i. i have already attempted clean/fresh installs of leopard and snow leopard
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Jun 29, 2009
I have a 20inch imac (bought in summer 2007). I am just getting into using it as my primary computer. I was playing around in order to learn more and I found something through Activity Monitor that does not make sense to me.
In the Network Activity tab, I see "Data received:" and "Data sent:" sections. As I browse the web, these numbers change of course, but it seems that the Data received quickly reaches hundreds of megabytes! Right now, Data received: is 540MB and Data sent: is 280MB (after a reboot earlier in the day). I am not using the iMac as a server or anything and I have never seen a Windows PC sending out so many packets in the course of browsing the web. Is this in line with others' experience? Should I be concerned about a spyware program on my iMac?
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Feb 19, 2008
Is there anyway to turn off the start up sound played through the MP internal speaker when you turn the computer on? This is really annoying!
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Feb 7, 2012
10.7.3 cannot turn sound on do I need to reinstall?
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Jun 28, 2012
I'm having trouble with the sound, it will turn off on it's own sometimes. The on screen volume bar will show a circle with a / through it.
Info:
iMac
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Sep 22, 2008
The mouse cursor on my iMac has a weird habit of jumping around. Eg, I'll be about to close a window, and then the cursor will suddenly jump to the bottom of the screen.This happens with both my Mighty Mouse, and a Microsoft one...
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Sep 14, 2010
When I go to turn on my MacBook pro nothing happens. No sound no hd spin no nothing. Last put computer to sleep and had it plugged in charging. Now when plugged in led doesn't turn green or any color just stays off and battery detector on side of laptop does nothing at all.
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May 18, 2008
besides leaving your computer on mute is there a way to turn off the startup noise on a mac? When i come late to class and want to bootup my computer, the apple startup noise draws attention to the fact that i am late and booting up my macbook.
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Dec 13, 2008
I listen to iiTunes a lot while surfing the web. It's very annoying when I come across a website which has it's own music and it suddenly overlaps the music I'm playing on iTunes. Is there anyway to turn off the sound from all other applications while using iTunes?
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