My 20.5 inch 2.7GHz iMac is about a year old and has recently started making a low humming/buzzing noise from the top right corner, near the SuperDrive bay. The top of hte iMac feels quite warm when it makes the noise and usually stops if I hold my hand on top of the computer. Is this something I should be contacting AppleCare about?
Info:
iMac, Mac OS X (10.6.8), 2.7GHz, Core i5, 4GB RAM
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)
Yesterday I started up my MacBook Pro that I've only had for about 9 months. I immediately noticed that there was a barely audible buzzing / humming sound coming the inside of the laptop, most likely in the fans. I don't know how long this has been going on, and I really don't know the cause of it. So is this something I should be worried about (the sound is barely audible)? Or is this something that happens after prolonged use of the laptop?Â
Info:
MacBook Pro, Mac OS X (10.7)
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?
View 16 Replies View RelatedI've had my imac for under two years, and just recently I noticed it making an odd humming/buzzing sound at times. It's not the normal sound you hear when your hard drive is working hard, it's definitely different. It's not the speakers either, it happens whether they are on or muted.
My suspicion may be that it has something to do with the power. That's because I've been bug testing a mac beta game, and it often crashes my computer, and I have to manually turn off my computer by holding down the power button until it cuts the power.
Does anyone know why this may be and how I can prevent it/fix it?
My Mac Pro 8 Core 2 x 2.8 GHz Quad-Core Intel Xeon with Leopard 10.5.8 started making a humming noise about a month ago. The humming noise is very consistent in pitch and is always humming whenever the computer is on, except for when sleeping.
View 1 Replies View RelatedI was just downstairs in my basement using my macbook and I decided to come upstairs and when I got up here I noticed that my fan is making a weird buzzing noise. I can tell it is my fan because when I make the fans spin faster in smcfancontrol the noise gets louder. Could this be something that is in the fan or could this be a more serious problem? I can take the back case off and check but I just wanted to know if this could be a serious problem with the fan. Is there any chance I could have bent something by carrying it wrong?
View 13 Replies View Relatedi opened it and it started making a strange low buzzing noise
Info:
MacBook Air, OS X Server
I have had my MBA for almost a week, and I've had no issues so far. Until now. This is the case: The fan operates as it should. It stays on 2500 rpm at light use, and increases with heavier use. At 2500 rpm I was not able to hear it without putting my ear next to the keyboard. That was yesterday. Today the fan produces a new noise. It isn't very loud, but clearly audible at 2500 rpm in a quiet environment. It's a low, constant, buzzing kind of noise. It also increases with fan speed.
View 9 Replies View RelatedI've had my Macbook Air 1.8GHz SSD since basically the day it was announced and aside from iChat video lag and YouTube (which has only happened lately), it's been almost perfect. One of the things I particularly loved about it was how silent it was, but as of Saturday, that suddenly changed. It now makings a constant (as in, never stops as long as the Air is on) noise which sounds like a harddrive being accessed; a kind of buzzing/whirring noise. It's not particularly loud, and once about 2ft away you can no longer hear it, but it is concerning that it would suddenly start.
View 3 Replies View RelatedI have an older 15" powerbook Titanium. About five years old now. Been working pretty well all five years, save for an external hinge I had to replace. Last night, the computer started buzzing from the insides, a buzzing reminiscent of a distant chainsaw. The program i was working in (firefox) just went to the pinwheel of doom and never recovered. I moved to the finder, which did the same. I forced booted. Same noise. Same problems. I can use programs for a few minutes, but then they pinwheel of doom and the computer freezes out.
View 1 Replies View Related 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)
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)
I have a mid 2011 27inch i5 desktop and the fan noise is so bad.. I've had 5 macs and they have all been pretty quite..This thing is unbelievable. Had to have the HD replaced because it was making a grinding noise, fixed now but the fan drives me mad.. took it to apple and they say this is normal. $1800.00 for state of the art technology... having had a few imacs i would expect the same as what i got last time, thats why i bought another one.. But this is definitely not what i got last time !I sit at this thing 10 hrs a day sometimes... i can't believe i piad 1800 bucks for something that makes more noise than my air con in silent mode... Â
Info:
iMac, Mac OS X (10.7.2)
The fan goes on after 30 minutes of use, what can I do
Info:
iMac, iOS 4.3.3
What's the cause of all that noise? I just bought it!!!
Info:
iMac, Mac OS X (10.7.4)
After returning 4 21.5" imacs with yellow screens and hard drive noise, I decided to try a 27" and finally a beautiful screen with no problems, no hard drive noise. I was very happy...untill I started hearing a humming noise that sounds like it is coming from the power supply. The noise stops when I put it in sleep mode. I tried a bunch of things to determine if it was the fans or hard drive and that was not it. I am pretty sure it is the PSU humming all the time. This is the first imac with a perfect screen and now it is humming. I am so frustrated.
What should I do? Have the power supply replaced or return it for another one and take the chance of getting one with a yellow screen? I am still within my 14 days of original purchase date.
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)
mac suddenly very slow especially safari
Info:
iMac (27-inch Mid 2011)
..by the power unit at the back of the machine - where the power cord goes in.
I happened to be switching out displays at the back of my MP today. Could hear the fan at the lower back portion of the machine (as normal). but this time could also hear a very slight electrical hum just by the power unit -- is this normal (the hum) does yours have this hum?
I never heard it before. guess my head was never that close to it when the MP was on the floor. but since i moved it to the top of the desk my head is closer to it when I switch out the DVI ports
Trying not to be obsessive. I'll run before the white coats turn up by the front door
so i love my new 27"; it's simply fantastic.... so far. i encountered a problem when i plugged in a 1/8 to RCA to go to my surround sound system. There is a loud humming sound coming from the speakers when i connect it. i tried to wiggle it and push it further to no avail. the sound was still there. i tried using another cable and the sound was still there. then i tried plugging in my headphones, and they WORK FINE! what the hell is going on and how do i fix this problem?
View 1 Replies View RelatedThere is a loud and really annoying humming & static noise when I connect my charger to my MBP. The humming only comes out of the headphones jack, and not the MBP speakers. This really cripples me in my work as I am a music producer.
Mp3 of the noise: [URL] ....
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
I have wireless network run via BT hub. However because of ongoing connectivity issues connect the main machine via the ethernet. I no longer use my Airport extreme. Since I first bought this machine I have had connectivity issues. At first thought it was BT & while initially it was I can now isolate the issues to this specific machine. I find that in the morning the connection has gone down & the only way to get it back is to restart everything. I can however get connected through all my other devices.Â
I am using Lion & safari or chrome or firefox! Have regular clearences of my cache.I have to box up the machine & trundle to my nearest Apple store (my 90 days home support is expired).
Info:
G5, Mac OS X (10.4.8)
My computer shows an upward facing arrow and makes a clicking noise when i hit the shift button, if i hold it down it switches into caps lock ... how can i get out of this mode?
Info:iMac, Mac OS X (10.6.8)
Battery
I had a 11 inch air 1.4GHz/4GB/128GB for two weeks. I usually set the brightness to 75% and for consistent web browsing (no heavy flash) I can get about 5h15min battery life. I noticed someone here claiming 8+ hours battery on 13 inch so I decided to give it a shot.
I got a new 13 air with 1.86GHz/4GB/128GB yesterday and start to run on battery immediately. I was disappointed. The brightness was also set to 75% and I start to count the time from 25% while browsing MacRumors.com. And it only took 1h38m for battery descending from 25% to 0%. Again, pure web browsing and no heavy flash.
So here is my conclusion: On 75% brightness, 11 inch air's battery performs beyond advertised 5 hours and 13 inch's battery performs fair and normally should give you around 6h30m~7h.
Noise
I don't have equipments for measuring the noise, but while copying the same 10GB files from external drive to the machine, the fan noise from 13 inch is much louder than 11 inch.
Now I like my 11 inch more in general, although I really hate the 1366 x 768 screen. I don't know if I should sell the 13 inch or 11inch...
[edit]:
On my 11 inch air: battery capacity 4664
On my 13 inch air: battery capacity 6634
[edit2]:
I will do another test to see how long exactly my 13 inch can last after a full charge
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)
My whitebook is making a buzzing sound that is coming from under the F4 and F5 keys, it can be heard a little with no background noise but when i put my ear close i can hear it much clearer. Does anyone elses macbook do this or does anybody have any idea what it is and should i take it to the apple store?
View 4 Replies View RelatedSometimes 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?
View 3 Replies View RelatedIt happens more frequently when the computer is "thinking" but still chirps somewhat often when it is seemingly idle. Maybe its the processor or HDD?
Info:
iMac, Mac OS X (10.7.4)
