Mac Mini :: Audible Noise That Increases / Decreases In Sleep Mode
Apr 8, 2009
Just got it today. When I sleep it, a quiet but audible noise kicks off that increases and decreases in intensity with the light on the front of the unit gets brighter and dimmer (so sort of sinusoidal). I've tried restarting it and resetting the SMC. The unit got upgraded to 4Gb ram and a 7200 320gb hard drive today. But I don't believe it's the hard drive - that makes a very low key monotonous whine that stops when I sleep the unit.
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Jul 19, 2009
I recently notice that whenever i close my macbook the fan would kick in while in sleep mode. in addition because of the usage of the fan while in sleep mode my battery consumption diminishes very quickly. also after i open it up the macbook is frozen (the screen does not come on and i must restart manually). ive had my macbook for about 2 year and have gone through about 240 battery cycles.
I have a Apple MacBook "Core 2 Duo" 2.2 13" (White-SR) Specs (MB062LL/B)
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Nov 17, 2007
Last night I was putting my macbook to sleep while I was ni the other room, and came back only to hear the fan or hard drive going 100 miles per hour it seemed, so I opened it to see if anything was active and nothing was it was just making a ton of noise. Any one know what it coulda of been? No software update was taking place?
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Aug 10, 2009
I am running Mac Mini as a home server (turns out to be not a great idea, btw), and even though I set the preference to never sleep or shut down, it does go to sleep when there is no activity for long time. Since I am using it as home server, it should stay awake all the time or at least wake up from sleep when there is incoming ping from other computer, but it just goes to sleep.
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May 4, 2010
When the computer is sleeping or if I turn it off but the plug remains in the electrical socket, when I get very close to the machine I hear a slight crackling noise, as if the internal adaptor is making a slight noise. I don't hear it from any normal distance, and other than the buzzing phenomenon when brightness is below 50%, no other symptom. Is this normal for this model. I believe that the external adaptor for the 30" ACD made a louder but similar noise as well unless unpluged.
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Nov 19, 2009
When my new i7 is on my usual desk (where iMac 24" white stood silently before), it sounds like a dishwasher. Or a plane engine. The low, loud vibrating noise drives me so mad I snap. It penetrates my very brain and makes it vibrate. It's audible from another room. In desperation, I raised my Mac and the sound stopped. I put it on the floor, and the machine is silent. Back on desk - airplane engine sound again. What the heck? My desk has been perfect for all my other computers, what's so special about i7?
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Apr 28, 2010
So I was writing a paper with the computer on my lap, then moved it with the lid still open to my desk, but as I was lifting it up I heard a very audible clicking noise. I attempted to repeat the experiment and found that my MBP will make a distinct single click when lifted suddenly upwards with the screen open. The noise comes from the right side, I assume from the super drive. Does the super drive have a sudden motion sensor like the HD, or is this something else? The noise never happens when the laptop is stationary, only like I said, when open and lifted straight up suddenly. I guess it happens with the lid closed, but after a few times, it stops doing it.
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Jul 27, 2010
Is it possible to switch off the mains when the Mac Mini is in sleep mode?
I've only had MBPs in the recent years and appreciate their low impact on my electricity bill very much - letting them sleep unplugged does make a difference. Now I'm contemplating a Mac Mini and while I know its power consumption is as low as with the notebooks (if not lower without display), I'm wondering if the Mini needs the current in sleep mode. I assume it does, but I'd rather know than guess.
Thanks!
Markus
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Aug 5, 2009
So this past week when my mini hasn't stayed in sleep mode, it shuts itself down about a minute later after being in sleep mode. I haven't changed any of my settings in a year and a half, normally it would stay in sleep mode until i come back to it and logged on again. When it does shut down i just cannot power back on i have to unplug the adapter then replug it in for it to start up again. I've searched google and on here for possible ideas. I wouldn't think it to be overheating since I'm not running any applications when i put it in sleep. It might be the power supply since i have to do that process to get it to work again. Let me know what could be causing this or ways to troubleshoot this problem.
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Apr 20, 2012
When I select Sleep mode - nothing happens. Does not go to sleep.Now suddenly, when I select Shut down - the MacMini does not shut down but obviously working in a loop. I have to do a hard power down.
Info:Mac mini, Mac OS X (10.7.3)
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Apr 29, 2012
I have a late-2011 mac mini that quit entering sleep mode a few days ago. It won't sleep using the Energy Saver Preference Pane, either with or without the assistance of Please Sleep. It won't sleep using any keyboard command or selecting Sleep from the Apple menu. I've tried turning Bluetooth off, resetting the SMC, and resetting the PRAM all without effect. (Before this, I also tried repairing permissions and running Disk Warrior.)
Info:
Mac mini, Mac OS X (10.7)
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Jun 1, 2010
I just got myself an mac mini and i really love it. Mostly use it for Plex as an media center, but here is the problem.After 1 hour inactivity it's set to go to sleep. and when i wake it up it work fine for about 10 seconds then it goes back to sleep, and i have to wake it up again for it to work.
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Mar 28, 2012
Suddenly the sleep mode does not work anymore. Did not change anything.
Info:
Mac mini, Mac OS X (10.7.3)
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Aug 23, 2009
I'm having a problem with my PowerBook G4 where is goes into sleep mode at random times. Mostly when I am streaming video..or at times the fan comes on, it sounds super high then boom. sleep mode again. After hitting the space bar, it comes back on, but it'll happen again shortly after. I've played with the sleep settings
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Dec 29, 2009
As of last night, my MBP started acting very strangely. After entering my username and password, it would enter the desktop for a short period of time and then kick back into sleep mode; the screen would turn back to black. Sometimes it will let me stay on the desktop for a long time and other times it will hardly let me stay on the desktop. I called apple support and they had me start the computer in safe mode; even then it occasionally kicks me out.
The tech guy said that it was a "strange software issue" and not a hardware issue. I thought it was a hard drive issue; my hard drive makes an odd sound when it unlocks (a grinding sound), but it has been doing that for quite some time with no issues. I tried to reset the SMC and it didn't do anything.
How should I remedy this problem? Is this a hard drive issue? Hard drive failure? Has the grinding sound finally caught up with me? I am running OS X; not leopard or snow leopard. I know I need to upgrade, but this shouldn't be happening.
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Apr 6, 2012
Why does the computer show disk improperly ejected error message after waking from sleep mode? Hooked up external WD sata HD for itunes and getting this message more than a few times. What to do?
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Nov 30, 2014
My iMac wake unexpectedly from sleep mode then goes back to sleep 00:10-00:15 later. Yosemite is current.
Info:
iMac, Mac OS X (10.6.8)
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Jun 24, 2012
I'm getting an "eject disc" error when I resume from "sleep" mode in Snow Leopard even though I have no DVD/CD in the drive. Is this a common problem with Snow Leopard? Yes, I have all the updates.
Info:
Mac mini, Mac OS X (10.6.8)
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May 13, 2012
i have a little problem with the sleep light... i don't know when this started, but i notice today, that when i put my macbook pro to sleep, the light just stays on and not "pulsing" like it used to do... is that normal?
Info:
Macbook Pro 13, Mac OS X (10.5.8), 4 gb ram, 2.53 ghz intel core 2 duo
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Dec 11, 2010
I have seen several threads on the Internet but never an answer to the noise problem Imacs seem to have when in sleep mode. We have an Imac, 27' 10.6.5 2TB bought this summer, in the bedroom which we use as a TV. When we go to sleep we put the Imac to sleep as well with the remote and the ZZZ on the screen. During the night however the Imac fan or harddisk starts to spin as if the whole thing is going to startup but then it winds down again and it does this every hour or so. It is so loud that it wakes us up. Some nights it does it some nights it doesn't. Before we actually had the screen come on too but now it doesn't do that anymore.
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Jun 29, 2012
Don't understand why the 5770 fan kicks on so loud when I put computer to sleep. It's silent when I have the mac on.
Info:
Mac Pro, Mac OS X (10.6.8)
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Mar 15, 2008
So I just got my Mac Pro a few days ago... and actually didn't get it setup until tonight (long story), but anyways I've noticed something rather odd.
If I have my external HDD connected to my Mac Pro it makes a clicking noise when it goes into Sleep Mode or even when I shut it down. It's kind of like "click, click" pause "click, click" and this repeats until I wake it from sleep. The HDD is connected by FireWire 400 and everything is fine when the computer is awake, and when I disconnect the HDD and put the computer to sleep everything is fine.
Anyone have any idea what's going on here? The sound seems to be coming from the top portion of the machine.
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Jun 3, 2009
I am using a macMini with 10.4.11, For the last three days after about 20 mins of use it starts to make noise and go to sleep .. immediately wakes up but returns to sleep mode every 2-3 mins at last turn off.
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Feb 21, 2009
I am using a recommended M-Audio, Fast Track interface for home recording on GarageBand. All aspects of the interface work really well except that my recorded tracks, which play back very loudly on my Companion 3 system but when I switch to the headphones on the interface, the volume decreases greatly. I'm not sure what the "Monitor on/off" on Garageband does as it has no effect?
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Nov 7, 2006
There is no cd in the drive but my MacBook makes a noise like it's trying to eject a cd after waking from sleep mode.
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May 21, 2012
Recently I upgraded the Ram on my macbook from 1 gb to 4 and now when I put it to sleep It wakes up becuase I can here everything on inside but the screen wont turn on. Every time this happens I have to boot it down but recently I woke it up and it made a BEEP noise and the sleep indicator light flashed with it. Again I had to boot it down.
Info:
MacBook, Mac OS X (10.6.8)
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Nov 26, 2010
I know that Flash uses more battery power. However is that only when you are actually using a window that needs Flash. Does just installing it decrease your battery performance in any way? I am running into lots of sites that require Flash and I would like to install it but not at the risk of severely limiting my battery usage when not actually using it.
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Jan 1, 2010
I use Spaces all the time when running my mac. I like applications having a dedicated space so I can leave many open at once without losing screen real estate. I just discovered that in the Preferences you can increase from the default 4 spaces to any number you want. If I increase this number will I start noticing performance decreases? I realize if I leave too many apps open I may notice it, but assuming I have the same number of apps running, will I see the same performance if I have 6 or 9 (or more) spaces open as if I only had the default 4?
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Dec 29, 2009
As of last night, my MBP started acting very strangely. After entering my username and password, it would enter the desktop for a short period of time and then kick back into sleep mode; the screen would turn back to black. Sometimes it will let me stay on the desktop for a long time and other times it will hardly let me stay on the desktop. I called apple support and they had me start the computer in safe mode; even then it occasionally kicks me out. The tech guy said that it was a "strange software issue" and not a hardware issue. I thought it was a hard drive issue; my hard drive makes an odd sound when it unlocks, but it has been doing that for quite some time with no issues. I tried to reset the SMC and it didn't do anything.
I am running OS X; not leopard or snow leopard. I know I need to upgrade, but this shouldn't be happening.
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Feb 11, 2010
Second time since yesterday-My MacBook (White-2007) has been stuck in the sleep mode and the only way for me to get out of it was to force shutdown. (Pressed the power button for ~5 seconds.)
The white sleep light had stalled and was not blinking-Is this an indication of software problems, or that my harddrive is about to fail?
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