Lack of start up chime

Hello. I have been having hdd problems for about a week now. Now i cant even get it to boot. The problem is that when i hit the power button one of three things happen. A. i dont get a start up chime and nothing happens when i hit the power button. B. I get the chime but then it freezes at the grey starup page. C. I make it into OS X but it freezes. Any Ideas?

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Blank Screen after start-up chime, won't start

I'm rather perplexed as to what's happened to my PowerBook. I'll run throught it
PowerBook 12" 1.33 768
Background:
I've just updated it to 10.4.4, which caused it to get stuck at the Apple symbol and spinning wheel. I had to restart in single user mode and run applejack, restart again and it was fine.
Recently the PowerBook started to not wake from sleep, I'd have hold down the power button then restart it. I thought it had done teh same thing today, but this time it makes the start-up chime but gets no further than a blank (dark, black) screen.
I tried inserting the Mac OS X CD and start up holding down the C key, but still same blank screen (with the added benefit that I'm now unable to remove the CD)
I tried plugging it into an external monitor, but nothing.
I've tried resetting the Preference RAM and the PMU. With some limited success. On occasion after resetting the PRAM, turning it off then back on, it starts with something like a extra blow of air from the fan and white blank screen instead of a black one. It then won't turn off at all, the only way is to pull the power and the battery.
I've noticed that when the ac adapter is plugged in and i've the white screen it flashes very quickly, orange.
I tried starting in Tartget disc mode connected to an iMac, the disc doesn't appear.
I tried starting up with an external firewire drive attached, nothing.
I've tried starting holding the keys for open firmware mode, nothing.
I've removed the AirPort card, no change.
I removed the extra 512mb RAM with no change.
The screen is clearly working, has anyone any ideas how to get it started?
Any help would be appreciated, it's a second hand PowerBook and so has no AppleCare.
Cheers
Stuart

I had the EXACT same problem happen to me, Stuartea71. My PowerBook crashed on the on Feb. 4th and I still can't figure it out. I had just dowloaded the 10.4.4 update, bought iLife 06, and ordered a new battery.
I tried every single thing that you did above. I finally called customer support, and walked me through a few things which I had already tried, but she finally pin pointed something in disk utility that I missed. My disk would not mount. In red letters it said "failing." She told me that was a internal HD problem that needs to be fixed by a certified tech.
I did something I'd never done before. I put my HD to sleep to optimize battery performance. I work with podcasts and downloaded a large file. Unfortunately I forgot my battery setting. I chalk it up as a lesson learned, and just bit the bullet and ordered a MacBook Pro.
BTW... if you all customer service they basically read directly from the Apple Website. I paid $49 dollars for someone to tell me my mac was broken and send it in.

How to I reset start up chime

Hello I am using my macbook in clamshell mode and my start up chime is not working. Is there anyway I can reset it?

Pram reset is usually how i do it. P+R+Option+Command

My iMac turns on the start up chime sounds, you see the apple icon on the screen and then it just shuts off. Any ideas?

My iMac turns on the start up chime sounds, you see the apple icon on the screen and then it just shuts off. Any ideas?

Do these two resets:
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
The 5 second timing is important to a successful reset.
PRAM RESET
Zap the PRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

How do I Stop 'Start up Chime' on OSx 10.8.5

How do I Stop 'Start up Chime' on OSx 10.8.5
I used to have it disabled on previous mac systems fine.
I want system sounds to still hear email alerts and facetime calls, but stop the annoying loud startup chime.
Any suggestions please. (startninka app didnt work!!)
Andy
OSX 10.8.5

CHIME CRIME update
no luck as yet! Working at home office and early starts are awful with the Chime so loud!!!!
I tired the adding programme to Terminal...did not work.
Also 'Chime Stopper'- (yet to test) https://www.macupdate.com/app/mac/13170/startup-chime-stopper
But...
I found last night the 'Startup Pref Pane' in System Prefs... this should stop the 'Chime Crime'
so i can only test this and see what happens
This could be the answer for OSX 10.8.5....
Will update you all if it works

Can not turn off, disable, mute, STOP the Apple boot start up chime on MacBook Pro using Yosemite 10.10.1

I understand why Apple forces the boot chime upon us for marketing and diagnostics, but I really want to disable the start up chime when booting my MacBook Pro laptop.
I have tried the sudo commands that worked in Mavericks.
nvram SystemAudioVolume=%80
and
nvram SystemAudioVolume=%00
They do not work with Yosemite.
I have also tried muting my laptop before shutting down and muting the sound entirely in System Preferences. This method does not work either.
Every time I boot the laptop I have to annoy every one in the library, or the cafe, or the airport, or the workplace.
Anyone have a solution for this?

lonestarry wrote:
I did that prior to posting, and the choices are very limited, or unreliable based on comments. There doesn't seem to be an app that can do this for 10.10.1 StartNinja was the only app that seems decent, but doesn't list Yosemite as a supported OSX version. I would like to avoid using an app to accomplish this anyway.
Then you are out of luck. Apple does not provide an on & off option or software regarding the start up chimes.

NO SOUND output (except for start-up chime) on MacBook Pro

I've been looking all over the discussion boards but haven't been able to figure this one out.
Suddenly for no apparent reason I have no sound output. I've checked all the settings, repaired disk permissions, restarted, etc. with no effect. I DO get the start-up chime but then nothing. Also, I do NOT have a red light emitting from my adio out jack. F3, F4 and F5 show the volume icon changing on-screen but with no actual sound output. Switching to a speakers or earphones doesn't change it either.
The only thing I can think of is that my battery has been slowly dying and has just recently started to crap out when the battery life indicator shows more than 50% charge. For this reason the computer has lost power and suddenly shut down once or twice without having been properly shut down. But the loss of sound input did NOT happen directly after this.
Any suggestions?

I Finally figured it out...
For some reason, my audio setting got changed in my audio prefs:
System settings --> Audio
On the "Sound Effects" tab, it was set to "Internal Speakers", which explains why I was getting the startup chime, and alert sounds just fine.
However on the "Output" tab, it somehow got changed to "Sunflower" which causes the sound not to work. As soon as I changed it to "Internal Speakers" everything went back to normal.
Hope that helps!

MacBook Pro will not start up, get start up chime but screen does not light up. Any help?

Upon start up I hear optical drive checked, then get a start up chime but the screen does not light up. I have shut down by holding down power butto for 10 seconds also pulled battery and A/C power.

I had this same issue but after a new hard drive/ram install.
What solved the issue - and I hope this helps someone else who has the same problem:
1). Install new hard drive (with or without osx pre installed) or leave old one in in your case.
2). Remove all ram
3). Power on and wait 1 minute
4). Hold power button until it turns off
5). Install ram
6). Power back on
7). BOOM! It works again.

Power on with no start up chime by iMAC G5

I use in addition to my relatively modern iMac that I am typing this up on, a 20" iMac 1.8 GHz G5 (2005, separate iSight) with 2 GB RAM, running Mac OS X Leopard (10.5.8). The system has failed me for the first time today, unexpectedly. It powers on, I hear a brief, subdued sound like a matchstick striking a friction surface, followed very briefly by a sound like the fans accelerating and then slowing back down, and no screen activity or start up chime. About 45 seconds later, the fans seem to rev up to full speed and stay that way.
I am unable to insert a CD (the retail Leopard OS X installation disc, the machine started with Panther and migrated through Tiger to Leopard) and there appears to be no response to a PMU/SMC reset. Apple service where I am (Bangalore, India) tells me that with my machine being obsolete, they're not in a position to help. I would like very much to salvage the system, though I don't really need to, and seek any advice to try and troubleshoot the problem.

i'm having almost exactly the same circumstance, as of an hour ago....
any help?
the startup chime should happen before the computer even looks for harddrives....

Start up chime

my macbook pro's chime stopped working everytime i turned it on. so i reseted the PRAM, which made the chime work again. now that its been reseted, the chime turns on even if i have muted the sound before shutting it down. how can i fix this?

Thanks Pennbank.
I tried resetting SMC then the PRAM and still have the loud chime when everything is set to mute. When you hold down the left, shift>option>control>power button, are you suppose to hold it down so it starts up and then let go of them and press power again? I held them all down for a few seconds and nothing happened so released them and pushed power. Not knowing what I'm doing, I didn't want to mess anything up.
I did get a message from someone and this is what they wrote. I got an Apple upgrade last week and this is when I noticed the change in the start up chime. Unfortunately I don't have the option of taking it too an Apple store unless I drive 6 hours.
Hey Pam,
I took it to the store and the person had to mute it themselves, instead of actually muting, he just lowered the sound. He said that he couldnt mute it completely but made it as quite as possible. He said that some people that got the last update ended up getting the one where the people who created the update forgot to add the option to adjust the chime. so basically, i got the update that screwed me over with the chime option. I now have the chime where i basically cant turn it off but its quite enough where it won't distract others in the library. Hope this helps

I tried to restart my 2009 iMac today and the start up chime happened, the apple appeared, and the circle started spinning... and then it just kept spinning. It would never folly boot up. Any suggestions?

I tried to restart my 2009 iMac today and the start up chime happened, the apple appeared, and the circle started spinning... and then it just kept spinning. It would never folly boot up. Any suggestions?

Could be a hardware failure such as a HD going south. Please carefully read and follow the suggestion Apple provides in Gray screen appears during startup.

Can not disable, turn off, mute or remove Apple boot start up chime using Yosemite 10.10.1

I understand why Apple forces the boot chime upon us for marketing and diagnostics, but I really want to disable the start up chime when booting my MacBook Pro laptop.
I have tried the sudo commands that worked in Mavericks.
nvram SystemAudioVolume=%80
and
nvram SystemAudioVolume=%00
They do not work with Yosemite.
I have also tried muting my laptop before shutting down and muting the sound entirely in System Preferences. This method does not work either.
Every time I boot the laptop I have to annoy every one in the library, or the cafe, or the airport, or the workplace.
Anyone have a solution for this?

Same here. I've been wanting to disable this since very long time ago, and started actively looking for it when I bought my first macbookpro (rmbp13) last year. You won't get any answers because there isn't a solution.
We get it, this is for diagnostics. But with most laptops being non-serviceable these days, it doesn't make sense to push boot up chime for everyone. It's really annoying when my coworker boots up her machine, and this has been going on since as back as I can remember.
With 10.10.1, I have to often times force power-off my rMBP13 late-2013 model, and I'm the one making that obtrusive boot noise. Why can't Apple just make a preference check box as an option in system preference? I'll praise you guys and call it Magical.
Apple, please make an option to disable the boot chime noise!

Why doesn't Terminal "disable start-up chime" command work in Mavericks?

Numerous online articles incidate the following command disables start-up chime sound but in Mavericks 10.9.1 it has no effect:
sudo nvram systemAudioVolume=%80
Suggestions?

Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback
Startup Chime Disable – PSST
Startup Chime Disable - StartNinja

Turning Off Start-Up Chime

Hello:
How can I turn off the Start-Up Chime? I had it off when I was using SL, but dont remember where to go or how to turn it off.
Thanks.

Some systems allow you to "Mute" sound and that will stop the startup chime (such as Macbooks and Macbook Pros).
However, other systems insist on ringing the chime, such as iMacs.
For my iMac I use an app called Psst which silences the startup chime.
<http://www.macupdate.com/app/mac/16780/psst>
There are other apps that will do the same thing.

Start-up chime 10.6.8 issue

Folks...somehow my 10.6.8 start-up chime has gone silent.
Any advice how I can recover it would be much appreciated.
Thanks.
Jordan

Thanks...nothing muted in sys prefs...sound is working fine except for the start-up.
Jordan

Lack of start up chime

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