OS X :: MacBook Pro Not Booting - Startup Sound Is Looping?
Jan 10, 2010
I am having an odd pproblem with a MacBook Pro. When I boot, 95% of the time, the Apple sound will loop continuously and the Notebook will not boot. In every 10 tries, I will have a chance to get the machine to boot up into the OS, and after a little while the Display will start to flash randomly and the machine will freeze. only a force shutdown seems to bring you out the freeze, but then you can't always get back into the OS because of the looping Apple Startup sound.It gets stuck at the exact same moment, right after the apple sound is finished, but loops.. So What I'm trying to say is that it doesn't get stuck at random moments, only just as the apple sound is finished playing, then it plays over, and over and over
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Jul 4, 2009
When I press the volume hard keys the volume indicator pops up on the screen but doesn't move the volume bar any, whether its up or down. It's also showing a circle with a slash below the bar graph which doesn't go away.
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Apr 19, 2009
My first gen Mac Pro has a seemingly strange issue, whereby when the Mac Pro starts up and begins booting into OSX (Just as the Apple logo appears) Both dvd drives eject. To resolve this I have checked the jumpers on the back of the drives and have tried:
-Both on Cable Select
-Top drive on Master and then bottom drive on Slave.
It happens every time the mac starts up. My computer stats should be below.
Mac Pro 2x2.6ghz Dual core intel.
3Gb Ram
1Tb Hard drive
8800GTS Graphics
Version OSX = 10.5.6
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Jan 12, 2011
I believe the Macs at my college allow the user to select from either Mac OSX or Windows at startup. However, it's a little different than holding down the option key at startup. I think it shows both at startup by default and if none is chosen, Mac will boot automatically within a couple of seconds.
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Dec 2, 2006
during startup, my powerbook will shutdown during the gray screen I've tried booting from an external drive. It goes to a gray screen without an apple logo.I've tried putting it in Target disk mode (to get my files off). But it won't mount on my desktop.Also tried resseting the pram as apple's troubleshooting suggested. nothing differen
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Jun 22, 2010
When the on button is pressed The fans start, but the screen doesn't even turn on. The Optical Drive still takes in Disks.
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Nov 20, 2010
I'm getting a kernel panic at start up and my mac wont boot up. I don't think its the RAM because the LED's are not red on the risers. When I start up holding "option" and select to boot up from the DVD it goes to the apple logo and on to the kernel panic. When I start up windows via bootcamp everything works fine. I've fsck. resetting PRAM, NVRam, nothing seems to work.
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Sep 13, 2010
I know that in the past this question has been asked, but I was just wondering if anyone has figured out how to _change_ the sound, not turn it off. Although some folks might want to turn it off too.
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Dec 24, 2010
I'm referring to the two second sound that comes whenever you hit the power button. Is there any way to disable it?
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Dec 28, 2010
I was just working on my macbook, it's the newest macbook avaible and i got it from my school. Then once i heard a strange ticking sound, sorry if my english is not so good i'm living in holland and did't had a long time english lessons. so i shut down my laptop immediatly and tryed to start it up. but after bootup then a white screen appears. Normally the apple logo shows up, but here it doesn't then you hear that ticking sound again it's really weard. i hope that i can solve this problem myself if i cant then i can bring it to the laptop-docter at our school so that's also a possibillity but i want to make my home-work in the holiday so i hope that i can solve this problem myself.
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May 18, 2012
I have a Mid 2011 13-inch MacBook Air. My speakers chime perfectly at boot up, but then when Lion 10.7.4 loads, it won't load whatever driver is needed to run the speakers.Â
The really weird thing is that I have the speaker icon on my top bar and "Internal Speakers" are not only listed in the Outputs of my Sound tab in System Preferences but even selected. Both the volume bar in the Sound tab and on the top bar are grayed out and non-adjustable. But whenever I reboot, I get a lovely chime sound again.Â
This seems to be purely a software problem, but I didn't even know Mac OSX could recognize the internal speaker hardware without loading a driver for it!
Info:
MacBook Air, Mac OS X (10.7.2), 13" only
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Jun 4, 2012
Every computer I ever had, the first thing I do is to turn off the startup sound because it is very annoying in a public place and sometimes in a quiet place. I have not been able to find out how to trun it off on my Air. I asked the guys at the stores and they just say you can't. That is really dumb. I turned off my speaker but that is not a practical way because I may not remember to turn it off when I shut down.
how do I turn it off permenantly.
Info:
MacBook Air, Mac OS X (10.7.4)
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Nov 10, 2010
could you please provide some help as i started up my mac this morning and there was no sound on there except the startup chime and i have tried the help here:
[URL] but it doesnt help and there is no red light in the headphone slot.
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Oct 30, 2009
I have a Macbook pro 2009 (2,26Ghz, 160 GB HDD, all Apple original parts) which is only a few months old. It has never failed me and I love it. Until now. I usually just put it to sleep when I am done with it but yesterday I turned it off. Now this morning when I press the power button the mac booting up sound beeps and everything seems normal. The White screen with the apple logo comes on and it starts working. After that however a blue background appears and that "clock"-wheel-thing that spins comes up, then it goes away, then it comes back and spins some more, then it goes away and so on. Nothing else happens.
I tried turning it off and botting up again a few times but the same thing happens every time. I put in the installation-cd (Leopard) and held down c while I booted up, this seemed to be working at first, the installation menus came up and I chose that option that re-installs OSX while keeping the files on the hard drive. After a few minutes into the installation however I got a message that said (rough translation). "The installation failed. Mac OS X could not be installed on your computer. The installation could not install certain files on "/Volumes/MacintoshHD". What does this mean? Has my harddrive failed or what seems to be the problem?
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Feb 1, 2012
for some reason, my Mac doesn't play a startup sound when ever its booting up and the volume is on max.I'm running Mac OS X 10.7.3 (Lion)
Info:
MacBook Pro, Mac OS X (10.7.2)
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Dec 25, 2010
My MBP is looping on start-up. It goes to the white screen with the apple logo and that little wheel made of grey lines.
It just keeps spinning then after 30-60 seconds, it shuts down and restarts only do do the same thing again.
how I can fix this? I think I may have accidently deleted some system files. The last thing I was doing was deleting things from my Hard Drive.
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Nov 2, 2010
This is a bit of an old one I know. When I turn my Mac on it goes through the boot up process and as it about to come to the desktop image it selects the HD Mac as if I had pressed it with the mouse and then starts the cancel sound bonging away until I press the escape button on the keyboard.This normally keeps it at bay. Although on occasion it suddenly selects it again and starts playing the cancel sound again. When I unplug the keyboard it doesn't make that sound at all. I hate the wireless keyboard but wonder if I buy another wired one will it start making the same noise again?
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Jul 31, 2008
I have noticed that my hard drive turns over before the bong sound during booting which I cannot remember if this has happened before,I have had his macbook 4 months and for the life of me I can not recall if it has happened before?
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Sep 8, 2007
I'm relatively new to Macs and I wanted to try a clean install (or erase and install) on my ibook. I recently purchased a MBP and since Leopard is on the horizon, I wanted to do a "trial run" of installing an updated operating system. I know that you can just hit update instead of doing a clean install, but I've been reading that things run better when you do a fresh install. My old ibook still has Panther on it and I figured I could try to install Tiger on it from my MBP disks.
I know that this represents a violation of the license, but I thought it would be worth it to ensure that I don't make any major mistakes when I'm doing the same procedure with my brand new MBP when Leopard gets released. When I tried booting from the disk from my ibook I got a kernel panic which I interpreted as a sign that it was not a good idea so I abandoned the project. Now every time I try to start my ibook I get another kernel panic and I'm afraid I just broke my old computer.
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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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Apr 9, 2012
I'm running OS X 10.6.8 on a 2.7 GHz i7 Macbook Pro with a 250Gb Apple SSD TS256C. Since last Autumn, after a problem that saw the SSD replaced by Apple and me needing to migrate my profile across from an older Macbook, every time the system shuts down it forgets my sound settings. So no matter how I set the sound before powering down it always chimes on start up. It's entirely possible that this may be a problem from the migration, but I don't know how to rectify the issue.
Info:
MacBook Pro, Mac OS X (10.6.8), 2.7 GHz Intel i7
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Sep 17, 2007
My powerbook doesn't always make the tadah sound when booting up, why is that?
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Sep 19, 2010
however today suddenly the superdrive decided to make a 1-2 second 'seeking' sound at *every* startup. there is no dvd inserted nor have i used it even once in this week. it does this at the grey apple screen at the same time the apple "chime" sounds.
i am pretty sure it didn't to this up until today, i am not particularly concerned but why would it start doing this after a week on its own?
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Jul 3, 2009
Here's a bit of a strange one, noticed over the last couple of days that the start up chime was getting quieter, then today no sound what so ever when turning it on.
Now from my understanding of it, the chime is a bit like a POST beep on a PC? Hear it once and every thing's fine? Otherwise the MBP is booting up fine, dual booting it and have sound in OS X and Win 7?!
Suspect I may have a HDD issue, as had to run chkdsk /f /r the other day and had to stop it after 12 hours as it was still on stage 4 of 5 @ 18%, and it seems to be running slower, also the HDD is becoming more vocal.
I'm going to run a full AHT on the unit, was just wondering if anyone else has come across something like this before?
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Dec 12, 2010
I am looking for a eSata expresscard for my MacBook Pro. I have a problem with looping my G Drive external through my firewire soundcard due to the single bus on the mbp. It just doesn't like it. What eSata expresscard adaptor would you recommend so i can hook my G Drive upto it?
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Dec 21, 2003
I wonder, is there any way to change the start up sound of my mac? the "duuum" sound does grow old after many many years
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May 28, 2007
I've lost all sound on my G4 iBook running OS 10.4.9. I still get the start-up chime every time I reboot, but there's no sound at all inside OS X itself.
System Preferences says there are "No output devices found." System Profiler says I have "No built-in audio."
I have tried repairing disk permissions. I have tried creating another user account and signing in. I have tried zapping the PRAM, resetting the PMU, and trashing all my cache files for both the system and my personal login. I have tried booting with Command-S and running a file system check (fsck -yf), but am told that the system "appears ok." Nothing has helped... I continue to get the start-up sound on boot, but nothing inside OS X.
Oddly, if I hook my M-Audio podcast mixer, the system detects my audio as "M-Audio," and I get sound if I use the headphone jack on the M-Audio unit itself (i.e., I can listen to iTunes, watch a YouTube video, etc.). But as soon as I unplug the unit, System Preferences reverts back to "No output devices found," and my machine resumes its maddening silence.
Since I use this machine pretty much only for podcasting and video editing, it's pretty useless to me without sound. Can someone help me, before I completely freak out? I was up until about 2am last night trying to resolve this.
How can I get this machine to "remember" the fact that it has "Built-in audio?"
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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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Sep 24, 2009
how can i change the default volume level in SL upon startup? it used to startup with whatever level it was at before i restarted. now it readjust each time.
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May 26, 2012
The startup sound works but after you get to the desktop screen there is no sound. When you push the speaker keys there is a circle with a line thru it. I reboot and everything works after reboot. So I have to start and reboot everytime to get the sound to work.
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