There's no sound on my MacBook

I have the original white body macbook. There's no sound when my laptop starts up and no sound period. There's also a red light in the headphone jack. When I try and adjust the volume, there is a "not allowed" symbol. Help please?

If you have headphones, plug and unplug them quickly. If it doesn't work, reset the PRAM > http://support.apple.com/kb/HT1379
Finally, open System Preferences > Sound > Output, and choose Internal Speakers

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There is whirling sound when my macbook starts up

there is whirling sound when my macbook starts up

Sure! Not only your MBP dear gwforeman, everyone's does! Mine too, but without the disk in the drive. The hissing whirling sound starts sometimes at startup after the Mac's DING chime, sometimes when the MBP is up n' running and it starts in middle of nowhere. Seems something stuck in fan or MBP is protesting with a hissing sound that something is going wrong inside. Activity Monitor's report seems fine though.
No idea, what's going on.... Any buddy out there with a solution???

No sound from my Macbook Air. When I go to system preferences and click on Sound Output there are no devices to select from and the Mute box is checked.

There is no sound from my Macbook Air even when I turn it on. When I go to System Preferences and click on Output there are no options. The Mute box is also checked, but I cannot uncheck it. Also when I try to play any video from the web, it stops playing after a second or so. I have turned off my computer and turned it on again which did not help.

Try these
PRAM Reset: http://docs.info.apple.com/article.html?artnum=2238
SMC Reset: http://support.apple.com/kb/HT3964

Thereis no sound on my macbook air. I have checked the volume and mute controls and the internal speaker are selected. any one any ideas please.

there is no sound on my macbook air. I have checked the volume and mute controls and the internal speaker are selected. any one any ideas please.

Hopefully one of these steps should solve the problem.
1. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
2. Reset PRAM. http://support.apple.com/kb/PH4405
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.
Best.

How can I play music on my macbook pro (OSX Lion) through a Pioneer receiver. I've connected them with a mini display port to HDMI cable with audio support bought at the Apple Store, but there's no sound coming through. thanks

How can I play music on my macbook pro (OSX Lion) through a Pioneer receiver? I've connected them with a mini display port to HDMI cable with audio support bought at the Apple Store, but there's no sound coming through. There are 4 HDMI-in ports on the receiver - BD, DVD, DVR/BDR and audio. In my system preferences for sound, the receiver doesn't show up as an output option. Can anyone please advise. (ps, this is my first time posting a question, so I hope I can find your answers!) thanks, JP downunder

For sound, try the audio output port and connecting to the RCA audio input ports on your Pioneer receiver. Use something like this:
http://eshop.macsales.com/item/OWC/PODCONNECTOR/
Ciao.

Is there any Sound card 5.1 include stereo mix that working with MacBook Air such as Creative Labs SoundBlaster X-Fi Surround 5.1 Pro Entertainment System ? and if there any another sound card can you tell me what is it please ? Thank you.

Is there any Sound card 5.1 include stereo mix that working with MacBook Air such as Creative Labs SoundBlaster X-Fi Surround 5.1 Pro Entertainment System ? and if there any another sound card can you tell me what is it please ? Thank you.

Okay, I did my best searching and I couldn't find anything that matched all your descriptors. I did do a search on both decoder numbers. SB0256 returned very little results, but with SB0466, I was able to find this ebay listing:
http://cgi.ebay.com/ws/eBayISAPI.dll...6_fvi%3D&_rdc=
This card isn't a Champion like you suggested. And with my complete lack of knowledge, I don't know what I/O dri've bay means. But since it is PCI and the decoder matches the number you gave me, this card should be adequete, right?
Whether it works or not, my search indicated it might be very hard for me to find that card (or any PCI card for that matter). Everything I saw was out of stock. I know this is a forum for Creative, but are there any other manufacturers that will allow me to accomplish my goal, either with current cards, or discontinued cards? Thanks again
Oh, and I will vote on that thread. I probably won't wait for them to release the decoder since I need it now, but I still believe Creative should be giving the customer what they want

I have just upgraded to 10.8 on my macbook pro and now I can't access itunes, videos and there is no sound - anyone help?

I have just upgraded to 10.8 on my macbook pro and now I can't access itunes, videos and there is no sound - anyone help?
It is an old macbook pro probably 6yo with the back lit keys - not under applecare anymore obviously. I downloaded the upgrade last night which took quite a while longer than it should have.
Anyone else experienced this and can suggest something? many thanks Jo

Run Software Update, wait till all the updates have finished downloading then restart the mac.

HT201343 why there is no sound in airplay mode from macbook?

why there is no sound in airplay mode from macbook?

update your Macbook to 10.9.2
sleeping your macbook with headphones attached was known to have caused this issue in prior 10.9, but has been resolved.

The sound on my macbook pro is not working

The sound on my macbook pro is not working. When I increase the sound, the icon appears as if everything is working, but no sound comes from the speakers. Earphones don't work either. I have tried a PRAM reset but at times, this doesn't even work. It's really frustrating having to restart my computer every time I want the sound to work, and even when I do that, theres a 50 50 chance of it working again. It generally happens after my laptop goes to sleep and I wake it up. Has anyone else had this problem and fixed it or even know what caused it?
There are a lot of discussions around the earphone jack but I have checked that. I've tried a PRAM reset which hasn't worked, and my sound output is set to Internal speakers.
HELP!!

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers / Headphones
    Make sure Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.

When I use my remote to start a movie on iTV it starts a different movie on my MacBook, plus if I use the arrow up or down on my remote it adjusts the sound on my MacBook. How do I stop this?

I am using 2nd generation Apple TV and have a MacBook Pro. When I use my remote to start a movie on iTV a different movie starts on my MacBook. Also when I use the up and down arrows on the remote it adjusts the sound on my MacBook. Is this something I have to live with, or is there something I can do so the remote control doesn't affect my laptop?

Well, I feel sheepish. I found the answer. Thank you Apple Community!!!

I put a case on my iPod touch 5 and now there is no sound coming from the speaker. The head phones work though. I called Apple Support and the 2 people I spoke with seemed baffled. Has this happened to anyone and how do I resolve this?

I put a Griffin case on my daughter's iPod Touch 5 and now there is no sound coming from the speaker. There is sound when we use the headphones. Is there a mute function that I may have switched on and if so how do I turn it off?
It was a gift bought by her Godparents in January and I live in the islands so I can't just drive it back to the store to have them look @ it!
Called Apple Support and spoke to 2 people who seemed baffled and who could only suggest I reset the device. Who h has not helped.
HELP!!!!!!!

- Try cleaning out/blowing out the headphone jack. Try inserting/removing the plug a dozen times or so.
Try the following to rule out a software problem
- Reset the iPod. Nothing will be lost
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup
- Restore to factory settings/new iPod.
- Make an appointment at the Genius Bar of an Apple store. Seems you have a bad headphone jack.
Apple Retail Store - Genius Bar
Apple will exchange your iPod for a refurbished one for this price. They do not fix yours.
Apple - iPod Repair price
A third-party place like the following will replace the jack for less. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens
Replace the jack yourself
iPod Touch Repair – iFixit

No sound on my Macbook pro, red light.

My Macbook Pro won't play anything out loud, through the speakers, like when i have to watch a video or hear some music, i have to put my headphones in the Macbook, and then it can play the sound, but if i take them out, there are no sound and there is a red light where the headphones are supposed to be plugged in (The video or music continue playing, i just can't hear it).
I read something about "International speakers" and it's stuck on a speaker in settings, and to solve it, you just have to play some music with the headphones in the computer, and then take them out of the computer, while the music is playing, and then it should work - but it didn't work.
I've tried to turn off the macbook for a long time and then start it up, didn't work. I've tried to just normally restart it, didn't work either.
The problem just came suddenly, I didn't do anything specific before it happened, one day it just didn't work, which is about 3 weeks ago now.
My Macbook pro is 2 years old in May, and i've updated it with anything that IOS said i should.
Hope you guys know what i can do.

Try the following: I
nsert the earphone jack several times.
Blow real hard into the audio output port. Use compressed air if you have it.
Take a cocktail stirrer or a tooth pick and wiggle it inside the port.
The internal switch is stuck when you see the red light.
Ciao.

How do i stop the chiming sound on my macbook pro?

There's an annoying chiming sound on my Macbook Pro that goes off sporadically when I have the volume turned up and I have no idea how to turn it off. I'd like to make it go away. Any answers would be appreciated.
Thanks.

Check the iCal app to make sure you don't have a periodic event set up to go off every so often.
Or check the Date & Time preference pane in System Preferences to make sure the clock isn't set to chime on the hour.

There's no sound when i connect to apple tv

Hi,
There's no sound when i connect to apple tv from my macbook pro, i bought it 10 days ago and it got the newest updates, and the volume is turned on on the computer. The sound works when i connect ipad and iphone but not the macbook pro with retina. Does anyone know how to get the sound to work?

Hi,
Have you tried Option click on the sound icon in the status bar at top right of your screen? It shows the Output and Input options. Select your Apple TV there.

Inadequate sound volume on MacBook

I may be expecting too much from my MacBook, but I'd like to be able to enjoy the music in my iTunes library without having to sit directly in front of it. I go to Apple button>System Preferences>Sound where I set the sound level for maximum, but that doesn't help as much as I would like. Is there another way to increase the sound volume? By the way, I had no such problem with my iMac, which I'm missing more and more.

A similar trick is in iTunes, Show Equalizer, click
pre-amp on and move the slider to max.
Though I would basically agree with JSwerdy's post
above. I do not find it necessary to use the
equalizer setting, and I find it necessary to
sometimes turn down the volume on occasional web
pages that play sound. I don't want high volume, low
quality sound. If I want to listen to music for long
periods, I use headphones or stream wirelessly to my
stereo, and there's no lack of signal quality at all
then. I did have the benefit of hands-on comparison
at an Apple Store before purchasing, and the speaker
sound volume/quality was an obvious difference
between the MacBook and MacBook Pro. Unless there are
significant differences among individual MacBooks....
This is the first time that I've ever heard that there's a difference in the sound quality of a MacBook and a MacBook Pro. The salesmen said the main difference was the graphic stuff. They didn't even hint at a sound difference.

There's no sound on my MacBook

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