Chimes on wake up

I just installed a new Thunderbolt display to go along with my rMBP.
Now, when the monitor (either the Thunderbolt or retina) turns off after a period of non-use, the Mac makes a chime sound (same as new mail arriving in Outlook) at least once but usually three or four times while I unlock my machine with a password.
What causes this, and how can I turn it off.  It also does this when I have my speakers muted.

Maybe not out of the woods yet. I ordered a new video card and installed it today in slot 1 after removing the original one. When booting up I thought I was pressing the PRAM reset but had mistakenly held the "control" key down as well. Needless to say - no monitor start-up.
After restarting a couple of times to no avail I realized my mistake and the next time correctly held the CommandOption+PR keys but interestingly it took a couple of restart chimes before it correctly brought up a gray screen. I then didn't release the keys in time and the next restart chimes the monitor stayed black - after one or two more continuous restart chimes I got the gray screen and everything booted up OK. I no longer have an error message for PCI Cards at System Profiler.
But given that it seemed that the PRAM reset didn't consistently activate a signal to the monitor, I am a little anxious that I have been chasing the wrong problem - that maybe it's been a PRAM or other problem all along and not necessarily the monitor. I do have that case where the System Profiler gave me an error message for the PCI Cards selection under Hardware in System Profiler, but I'm left wondering if problem solved.
Any easy way to debug PRAM - where is PRAM data stored?
I will report back if I get another black screen on restart or wake up...

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  • Login hook question

    I am trying to use login and logout hooks to mute the speaker after logout and unmute it at login in order to get rid of that startup chime (always wakes up my sleeping roommate). The problem is when I follow the procedures at: http://docs.info.apple.com/article.html?artnum=301446 (i have tried both ways); however it seems as though my scripts are not run, is there something special that I have to do because I am running an Intel version of 10.4.8?
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  • Mountain lion - wake from sleep - destroys hdd

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

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    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.
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  • IBook's failt to wake from sleep.

    I've had an ongoing issue with two late '05 model iBook G4's that occasionally do not wake from sleep. I've documented that in an earlier post Titled "Topic: Waking from sleep requires Forced Shut Down on two different g4 iBooks,"
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    ibook G4 1.33ghz 12, 1.42ghz 14   Mac OS X (10.4.2)  
    ibook G4 1.33ghz 12, 1.42ghz 14   Mac OS X (10.4.2)  

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  • No Display after wake up after sleep

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    Try resetting your SMC and PRAM.
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    Dave M.
    MacOSG Founder/Ambassador  An Apple User Group  iTunes: MacOSG Podcast
    Macsimum News Associate Editor  Creator of 'Mac611 - Mobile Mac Support'

  • No startup chime, red light, fans running loud...

    yeah, I know that there are other threads with the same topic, but I just wanted to know how common this problem is?
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    What are the common disturbances?
    What is going on?
    Why is such an expensive, powerhouse computer become such a puny electronic product because of power issues?
    I posted this in another thread but,
    Here's my story:
    I am having the same problem.
    Now before you start taking advice to back up all your data, reformat your hard drive, and reinstall all the software; please take note of a few things:
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    I like that feature. Good thinking Apple. Protecting my investment from bad electrical grids. But I don't like the fact my computer has a mind of its own where it decides when it wants to boot or when it wants to sit there and run its fans all loud.
    I shut down Tues morn to go to work. I come back in the evening, it doesn't want to boot up. Instead of getting angry trying a bunch of times to turn on/turn off the computer, I leave my house all together and go and have a few drinks. I come home ,don't even look at my computer, and go to bed.
    I wake up Wed. morning. Go to turn on my computer. Successful boot. It's running. Okay, I think, I'm going to get down to the problem. I read all the logs, not like I know every piece of info, but just to see what's happening. Everything looks fine. I decide to run the AppleCare CD Tech Tool. It says restart holding down C. I do that. When the gray Apple Logo comes up, all this writing about kernals comes up and it tells me to restart or shutdown. I shutdown and attempt to restart, same problem: no chime, red light on, and fans eventually spin loud. Now the CD is stuck in there. I'm going to take it to the Apple Store tomorrow to if these "geniuses" can figure it out.
    (Just a side note: Apple calls them geniuses, but its hard for me to think some disconnected college kid with a bad haircut and questionable social skills knows what's up with the power supply issues of a computer; maybe I'm wrong, but you can run your diagnostics and look at the chart of what to do and all that BUT Apple needs to listen to the people)
    I am going to get a UPS (uninteruptable power supply) with a clean sine wave output to curb the issue at my end. It's not my fault I live in a area that receives uneven power output. I live in Los Angeles. Summer is starting up and I think its going to be hot, so blackouts, power dips and sags are inevitable. I just don't understand why Apple hasn't considered this problem and fixed it with something:
    A recall to change the power supply, Is it something on the logic board?, are they going to reimburse me for lost income (Ha, yeah right)
    I really want to know how many people are having this problem?
    From what I've heard, it is a common problem.
    So I think we need a common solution.
    If its so common, it must be the computer. We are all going to live in different areas where the power may vary. Not all of us have the consistent power flow of 1 Infinite Loop in Cupertino, CA. So if it is such a common problem, Apple needs to fix it.
    I can't spend more than five grand on a super duper computer and have it wuss out on some power issues.
    Its a loss of income and productivity to me.
    I can't have that anymore.
    Sometimes my computer turns on, sometimes it doesn't.
    I bought my PowerMac G5 in April 2006, its been about a month and a half and I'm having these problems.
    Thank you for your time.
    If anyone else has been having this problem, I feel for you.
    It was been very difficult for me not to curse in this post, but I have tried to extend the same respect to all that use these discussion boards to create dialogue, find help, and create solutions.
    LETS FIX IT!
    Peace,
    Swami G
    Power Mac G5   Mac OS X (10.4.6)   Dual 2.3 Ghz / 4.5 GB RAM

    Well, you can see my specs below. I have the same problems as you, just worse. I am also running (as I have my previous systems) on an APC Smart-UPS 2200, and it doesn't solve this problem.
    I bought my machine last December. In early March (just 2 days before my 90 days of phone support were up), I woke the computer from sleep to check email; about 5 minutes later it just froze. I had to force it down, but it never even got to the startup chime.
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    Nearly two weeks later the technician arrived with the parts, installed all of them, and - nothing. The system still exhibited the same symptoms as before the repair. He spent around five hours here, most of it on the phone with Apple. They decided that the processor unit they shipped was defective, so they sent another processor unit.
    Nearly another two weeks later, the re-replacement processor unit arrived with the tech. He installed it, and everything worked. This was around April 1.
    Fast forward to last Wednesday. Arrived home from work, tried to wake the Mac. Nothing happened. Had to force the machine off. Never booted again. Called Apple and went through the motions again. They're sending another logic board, processor unit, and power supply.
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    It's a good thing I have kept my Windoze machine around, cause it's really saved my butt the last 2-3 months; that also makes me really sad, because in the last 6-7 years of Power Mac ownership I've had zero problems with any of them. My dad has my previous machine, a Rev A Dual 2.0 G5, and it's rock solid.
    I sure hope that the Intel based Power Mac replacement doesn't suffer from what ever seems to afflict the recent Power Macs. I would absolutely hate to abandon OSX, but I will not put up with this kind of quality failure (hardware & service) again.
    Power Mac G5   Mac OS X (10.4.4)   Quad 2.5 GHz, 4GB RAM, Disk0: 74GB WD Raptor

  • Macbook pro (early 2011) won't boot after sleep. Black screen with chime

    I put my macbook pro early 2011 (Quad, 8 Gb RAM, 2 x SSD-disks, external 27" LED-screen) into sleep mode a couple of days ago. Everything was fine then.
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    sspott wrote:
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    If the machine is still covered by AppleCare, take it to the store by all means. But they won't try to recover anything from the int'l drive, just check it, erase it if they don't find hardware issues, and re-install a fresh copy of the OS.
    That's why you should always have at least 1 up-to-date backup (2, with one kept off-site, is better).

  • Water in macbook pro.  It turned on, then off... Chimes then shut off... Options?

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