Start-up sound problem

Hi!
Since two days my MacBook Pro (Mountain Lion) of 2 months, doesn't emit more sound at startup.
I read on Google that could be given to hardware problems, but, by testing, everything is ok.
Can you help me please?
Thank you.

I don't have any external speakers now. Sometimes I connect them, but no at the moment.
The preferences indicate that output and sound effect will be played via Internal Speakers, in fact I can listen to the music and film perfectly.
The other mac's sounds (like recycle bin) work good.
Allan, for MemTest you mean the Hardware Test (the one you can start pressing D key during the start-up process)?
If yes, this evening (now it's 9.30 am in Italy and I'm at office) I will start a new test.
Edo

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Desperately need some help!! iTunes/Quicktime/iChat/Sound problems....

So, yesterday, I was online, on google video, and when I pressed play on the video, there was no sound, but the video worked...the same was true on every video site i checked. My computer volume was at max, and I even tested the speakers to make sure they were on, and they indeed were.
I thought that was odd...but then the problems really started.....
After that, I clicked on my iChat icon. It bounced once, and did not open. The same thing happened when I clicked on iTunes. 1 bounce, and then nothing. I checked to make sure all of my iTunes mp3 files were on my computer....they indeed are all still here, bit nothing I can do opens iTunes. I've run disc utilities, and disc repair...according to that, everything is peachy-keen on my computer.....but iChat and iTunes STILL will not open, and there is still no sound on anything.
Now, i'm leaning towards the archive and install option....or even just backing up what I want to save, wiping the drive, and starting from scratch.....but i'd really like to not have that happen.
(and, as a side question, if all I want to save are images, several documents, and many mp3 files, would everything be okay if I just backed them up on an external drive, and then loaded them back on to my computer after reinstalling OS X?)
Sorry about the length of this, but I am at my wit's end, and I have no idea what to do.

by third-party, do you mean things I installed that are not manufactured by mac? If that is the case, I have microsoft office, Smart Music, Flip4mac, and Senuti.
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Sound Problems On My MacBook Pro (Retina)

Mysteriously, my computer started to sound very strange when playing anything sound related (See video below). Sounds like a warped "boing boing" sound throughout the music I'm playing through YouTube (it even happens in my itunes). Super hilarious, but concerning nonetheless!
http://youtu.be/4ioa7dC1zBM
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Hi Richard, I had similar problem as yours. There seems to be a problem with the intel 4000 graphic card. Try switching to NVIDIA graphic card. Just go to 'Energy Saver' in 'System Preference', and switch off the 'Automatic graphics switching'. Let me know if this solved your problems.

Start Navigation sound in Windows 7 64 bit dissappeared

? [size="">I have been scratching my head over this one.
[size="">After doing a clean install of Windows 7 64 bit on a new build this week, and installing a new X-Fi PCIe Titanium Fatality Pro, I found the start navigation windows sound was no longer there - I am talking about the brief sound you hear, that sounds like a click, when you click a link, double click a folder to open , etc. I could find the sound in windows sounds, but when I pressed test I could not hear it.
[size="">
[size="">After much trial and error, I discovered that I had to disable sound blaster enhancements, in the properties tab for speakers in the sound card settings. I now have that windows sound back.
[size="">When I enable sound blaster enhancements, it goes away, when I disable them, it is back to normal.
[size="">
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Wow, that fixed? my problem also by disabling soundblaster enhancements. How were you able to figure that one out? I was trying to figure it'sout also many months ago when I first got windows 7 beta and couldn't do it. Anyway,
Seems like most people don't like this start navigation sound, but I do.
I don't like the fact of having to disable soundblaster enhancements also.
Have you noticed that if you change the windows theme to something else it will actually work?

My iMac won't boot, get a black screen with alarm sound, then gray screen with start up sound, then repeats

this problem started last fall after upgrading to Mavericks. If I shut down my computer (or restart) I have problems getting it going again. This is getting progressively worse. I hadn't shut down in over a month, forgot about this issue and shut down (which I used to do daily), so now I can't get my computer to boot. When I hit the power button I hear it starting, then a loud alarm sounds, then a long pause then start up sound with a gray screen with a progress bar. Once the progress bar fills, the screen goes black again for a bit. This whole process will repeat until I get frustrated and force - shut down by holding the power button. I have tried reseting the pram, starting up in safe mode, starting up with the command - R, starting up with my original install disc... none of it works. I'm at a loss! I do have an external hard drive that I have been using for Time Machine, but it's not recent because the disc needs repairs and I hadn't gotten around to buying a new HD to back up to first. Has anyone else had this problem? I really can't afford a big repair/replacement bill.

A long, steady, load tone followed by a progress bar can indicate it is trying to install a Firmware Update. Any other Tones would be multiple beeps and show an error code.
http://support.apple.com/kb/HT5860
You can also see a progress bar similar to booting into Safe Mode. However, the firmware update bar is thinner vertically than the Safe Mode bar.
http://support.apple.com/kb/ht1455
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Any resolution to the sound problem?

I have been having the same sound problem with my Mid 2010 Mac Pro tower ever since I got it. I have been in touch with Apple and have been told that they are familiar with the problem, but that they are still working on a fix. The problem is that I have external speakers, and every time I shut down and then start up again, I have to go to preferences and physically change the sound output to go to the speakers. I have also been tole that the Mac is supposed to sense the external speakers and go directly to them.
Is there anybody else out there with this problem, and has been able to resolve it?
Thank you.

I have a 2010 Mac Pro and use the stereo line out jack in the back of my machine for my speakers with no problem. I don't recall any problems setting it up. But check the Audio MIDI Setup (in your utilities folder) to see if you can set it from there (should be able to). Not sure why the preference wouldn't stick. And I don't believe there is automatic detection of an attached sound output device where the sound preference switches to that (unless maybe the front jack which I never use).

Ideapad s210 Touch Sound Problem

Hi,
I seem to have a weird sound issue with my laptop. I got the following message when i tried to play an audio on windows player.
Link to image 1
But when i started the computer previously, it still produced the windows start up sound. And there's nothing wrong with the file cause i don't have problem playing them before. Same thing happened when i used iTunes, the needle on the music bar didn't even move and there's no sound eventhough i have already pressed play. Strange thing is, there's a speaker icon next to the song title which appear everytime the music is playing which means the file is playing.
Link to image 2
Help?
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums
Solved!
Go to Solution.

hi arezani,
Welcome to Lenovo Community Forums!
Can you try to check the resolution on this thread
http://forums.lenovo.com/t5/Lenovo-3000-and-Essential/audio-issue-lenovo-g500/m-p/1648936#M58449
Regards
Solid Cruver
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I'm having a problem with my Bose USB sound system that has just recently developed. The system is plugged directly into the back of my Mac Pro desktop so it's not going through any hubs or secondary systems. When I first start my computer the sound works just fine. But after about 10 to 15 minutes of use the sound stops completely - as if the sounds have been turned off. If I boot into Windows 7 using Boot Camp, the sound system there works just fine with no problems at all, so I do not believe this issue is hardware related but is something associated with OS X.
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They are plug and play.
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Hi all. New to the forums and returning to Macs after years of cursing Bill Gates. Picked up a Powerbook Pismo from a friend and have been having some fun with it, but I have one problem I can't solve. I replaced the hard drive (saved the old one) and installed Tiger and 1GB of memory on the machine. All seemed well until I noticed that the sound would not work sometimes after sleeping. The sound will usually return with a reboot, but sometimes I'll have to actually turn the machine off, and clear the PRAM to get the sound to come back. Sometimes, the volume and screen controls will both not work at all (pop up doesn't even appear when the keys are pressed), sometimes it's just that the sound doesn't work, but everything looks right on the screen. I've also had the sound and screen buttons not work only to have pop ups suddenly appear and the adjustments happen several minutes after I pressed the keys. So far I've tried:
Clearing the PRAM
Checked the Pram Battery (ok)
Reinstalled Tiger (Still loses sound)
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This sure seems like a software problem, but I'm starting to wonder. I really like this machine and want to get it to work! Help!

Maxstang, welcome to Apple Discussions.
Did you repair permissions after you installed Tiger? Have you updated Tiger to 10.4.11?
Here's the Sound troubleshooting info in the Pismo Service Manual.
No sound from speaker(s)
1. Verify mute mode is not enabled (F6 on the keyboard).
2. Check the volume setting in the Sound control panel.
3. Verify no external speakers or headphones are plugged in.
4. Reset PRAM.
5. Make sure speaker cable is plugged into sound card.
6. Replace sound card.
7. Replace speakers (part of the top case).
8. Replace I/O logic board
Startup sound is heard, then no sound from speaker(s)
1. Remove sound preferences from System Folder, reset PRAM,
then restart.
2. Perform clean installation of system software.
Had the Pismo previously had OS X installed. There's a firmware update (Boot ROM version 4.1.8) that should be installed prior to installing OS X. However, when I got my Pismo with Tiger installed, the firmware was not updated (have since updated). However, I don't think this could be the cause of your problem, since I had no sound problems when the update was not installed.
The PC133 RAM (which runs at 100MHz) should not be the problem. I have PC133 RAM in my Pismo.
Since you replaced the HD, could you have disturbed the connection to the Sound Card. The Sound Card is located to the upper-right of the HD. Here's a helpful laptop site.
Fix It Guides for Mac Laptops & Mini
http://www.ifixit.com/Guide/
The guides can be viewed on-line or you can download a PDF file.
 Cheers, Tom
(='.'=)
(")_(")

Imac sound problem

Approx 6 months ago started having sound issues with imac which is set up as a media center. The imac output is connected to an AV receiver via optic cable. The problem is no sound on imac programs safari, itunes etc when starting from sleep if a program is left open prior to going to sleep. Movies have picture but no sound, itunes has no sound and does not start playing the song. Quit open programs and restart computer or put to sleep and wake the sound is restored. Eye tv sound is not affected. If programs except eye tv are quit prior to going to sleep there are no issues on start up. Disconnect the AV receiver and the problem still exists?????????????

Thanks for the info, below are the results.
Started computer from sleep no sound on system. Checked Audio Midi System as suggested Audio Default and System set to Unknown Device. Reset both to Built in Output and checked sound still no go. Force quit itunes and put to sleep and reactivate sound all good Audio Default and System remained in Built in Output. Watched recording through Eye TV for about an hour then checked sound through itunes, no go. The Audio Default and System had both reverted to Unknown Device yet the Eye TV sound was not affected???????
Quit all programs last night except Eye TV and let mac go to sleep. Checked this morning sound is fine. It appears that when itunes, safari etc is open and not use for a period the Audio Default and System reverts Built in Output to Unknown Device.
BDAqua it looks like your longshot has identified where the issue is occuring and thank you. The next stage is determining why and how to fix the issue................appreciate you comments.
Cheers

Sound Problem Plus Memory Problem

I've also posted this same issue at the EVGA website with no help what so ever yet. Also if it's ok I'm having the above mentioned memory problem that it probable not related but if anyone does have good input I would love to hear. Hope this doesn't break any rules, didn't see anything in the listed rules thread. So here it goes.
Ok I'm having a few minor but very perplexing and annoying problems. I have recently built a new rig to include the following.
Windows 7 64 bit Home Edition
EVGA P55 FTW Intel P55 Socket LGA56
Intel Core i5-750 2.66Ghz 8M LGA56 CPU
Corsair Dominator 4GB DDR3 PC2800 (2 x 2 GB sticks)
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The second problem was with the memory. Everything booted fine but it initial only detected 2 GB. By the way I had them installed in slots and 3. So I shut down and popped em out checked the copper connectors everything looked fine and reseated the chi
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This time during the boot up I checked the BIOS. It saw all 4 GBs of memory. Continued into Windows. Windows now saw all 4 but only .99 GB was available. Now the only other time I've seen anything like this was with on board video sharing the memory, and even then it wasn't half of the systems total memory. I then tried shutting down and putting the chips in 2 and 4 just see what would happen. Well I got an EA post error on the LED, couldn't even boot. So I figured o'well power down completely and tried to run the memory in 2 and 3 to run it out of dual channel. I was able to boot but still had the same issue. .99 GB available and still saw all 4. At this point it was just getting silly so I figured ok I'll download the new BIOS with my laptop, burned it to a CD. Booted the desktop and ran the BIOS flash. Update seemed work fine, honestly the BIOS didn't look much different and I didn't take note of the previous version before I did it so I can only assume it worked. However it did not fix my problem. So I'm still stuck at windows seeing 4 GB of memory with only .99 available.
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Hello,
cannot help with the sound problem.
For memory, I've got almost the same thing but with 4 sticks of 2gb and only 2 detected on an ASUS P7P55D deluxe.
Bios was my issue but I needed to do this (but with pairs of sticks instead of sticks) after the bios update to finally get my 8gb under windows:
Make a clear cmos. Then boot the computer with only one stick of ram in the port .
If everything is fine, turn off and add the other port of the same color for dual channel.
If it does not boot with the 2 sticks in the port of the good color, try to switch ports again. Maybe one stick is dead?

Wintv 7 930 c not working with FME 3.2 Sound problems :

Hi Guys my first post here, after 3 days with struggling i gave up,and come here for your expert tips.
I bought a wintv 7 930 c hd tv card,working fine on my computer,but when i enter FMLE 3.2 and click start i get :
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Hello,thanks for your help, yes i understand that by now, i called support.
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Video started to sound awful when i've updated to iOS6, how can this be fix?

Hi,
Ever sine i've updated to iOS6 this October, the sound of my videos on my iPad started to sound awful. I'm using the default video player for iPad. It sounds like there's an echo, bass sounds has totally low quality and etc.
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Hi,
I have been experiencing massive sound problems with Yosemite. It basically effects everything except the sound control in the control centre.
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I can't control the sound volume anymore. Key board sound control does not respond (sound symbol is struck out), sound bar in menu bar in greyed out.
If sound symbols are not greyed out, the sound will stay on the level it currently is. Neither key board nor menu bar icon can change the volume.
When it happens:
When I plug/un-plug headphones.
When I use iTunes. iTunes will even stop playback... the only chance to get iTunes back to normal is restarting the app.
When I use Skype.
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Hi,
Thanks for your reply.
Yes, I have. It works pretty much like any re-start does. As soon I use headphones or send my Mac to sleep, it goes back to unresponsive sound control.
Edit: Just tried it again and it didn't do anything. Key board sound control is still greyed out...
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Macbook without start up sound

Good morning everyone.
I´ll tell you a little about my problem. I have a macbook 13" mid 2010 mod A1342. Last week, after cleaning with a cleaning foam for PC´s, I think i used so much foam into the keyboard, because i started up and wont start, i let pass time and tried to start up, it started but some keys was in dead short, and the laptop turns off, i cleaned again with fairly isopropyl alcohol in the entire surface and the back of the keyboard, i wait for it to dry for 2 days and the in tried again, the mac start and works fine without pushing any key, but some key was making dead short, i was using my iphone as a wireless keyboard the trackpad works fine.
Consulting with an apple tech center they pdiagnosed the keyboard probably was in dead short and but i have to left them to a entire diagnose.
I buy the piece(upper case) and i replaced by my self (i´m a desktop support techinician for mac and windows), the macbook works fine again with all the keys including mutimedia keys. but the start up sound was gone, now the sound is very low, the speakers works fine i probe it whit de audio midi config. app, i disconnect the speaker off the board, the spearkers of the keyboard works fine but with a very low sound, when i put a headphone or an external speakers the soud works very fine and with a hig volume.
Due to the constant reebots without turn off properly, the volume(image) of the mac was corrupt, i´ve tried to repair it with the Disc Utility app but the volume was very damaged, i tried to reinstall preserving my files but there´s no oprtion for that , the only option was a clean installation. i think a clean installation fix the trouble, but the sound was the same, after installing all the updates to this day, the result was the same. In the information menu displays onboard sound, in the prefs pane the output have onboard sound to play sounds, i configured into the audio and midi app the stereo option, bunt the sound is still low.
I don´t think the problem was the logic, beacuse it plays sound into headphones and the internal speaker and the keybooard speaker, the problem is only the startup sound gone and the level of the sound is very low (sound like a cell phone). i tried to reset the PRAM, in the faqs apple say that i have to hear 2 startups sounds and the i have to realease the pushed keys, but in my case there´s no sound, the laptop restart as they say, but without sound, i´m not sure if the PRAM was restored or not, i push the keys (cmd+op+p+r) turn the MB it try to start the a little bit reboot by it self, tyr to start, again reboot by it self, but without sound, if i keep pushing the keys the procees won´t stop, if i release the keys the macbook start fine(without sound), but i not sure if the PRAM was restored.
I hope anyone can help me.

i also got this kind of problem recently. i was connected to a speaker n the start up sound just didnt come out till i plugged out the speaker jack. this happen after i finished reinstalling my mac os x (snow leopard) including the updates. the condition worsen by having a delay when i started up my mbp for the 3rd or 4th times. the screen just black n i got a delay for 3 to 4 seconds till finally i heard the start up sound back n see the apple logo n the loading gear came out. i later restarted the mbp again to see whether the same problem occurs bt somehow it didnt. weird things happen to my mbp these days.. what should i do? any suggestion? :O

Start-up sound problem

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