My macbook air won't play sound

my macbook air wont play any sound audio at all

Go step by step and test.
1. Restart.
2. Plug in the headphone and remove it.
3. Reset PRAM. http://support.apple.com/kb/PH4405
4. 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".
5. Remove the logitech mouse receiver if you have one.
    Update Boom, Windows Media Player and all other third party plug-ins.
If this does not help, keep restarting the computer until a fix is available.

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Macbook Air won't play a simple iphone movie ???

Is it true ? Is it possible ? That the latest, greatest macbook air running the latest greatest OSX Lion will not play, preview or in any way let you view a moive sent from an iphone 4s ? IN other words a regular .mov file no longer plays ? I have searched high and low, installed perian, flip for mac, quicktime 7.66 quicktime pro and still nothing ?

Yes, a.mov file no longer plays from iPhoto. I'm on a MacBook Pro running 10.5.8. This just happened tonight. I have posted in another forum, also. The file opens in Quicktime if I access it from the finder and not iPhoto. I have not updated iPhoto since the last time it worked a few weeks ago.

Macbook air won't play youtube sound

yahoo videos play without problems, music plays, but I can't get any sound from youtube videos. What could be the problem

Go to Adobe.com and download the newest Flash update, then see what happens.

Videos on my macbook pro won't play sound after apple tv was installed in the house

Hi! Need some help... for christmas my dad received the little black Apple TV device to watch videos on our big tv from his iPad. After it was installed no sound came from my macbook, it instead comes out of the tv speakers. When dad is airplaying a video from his iPad and I open a video on my mac, the iPad video gets interrupted and the sound from my video comes on without the visual. What's going on?! I see the airplay symbol on the top right bar but it always says disconnected, yet obviously the sound is somehow connected.

that figures, VLC.
Consider getting your dad the APP VLC streamer for his Ipad, that way he can wifi beam movies etc. to his Ipad from any Mac.
removes putting movies on an Ipad and clogging it up with large movie files. Very handy

Macbook Air won't play HD movies at all due to HDCP content

I'm not sure when this started happening, but it's probably been a month or two. I cannot play any HD content on my Macbook. I get the warning that "This movie can be played only on displays that support HDCP (High-bandwidth Digital Content Protection)." I have no external monitor or anything plugged into the display port. It's getting really frustrating.

How much hard drive space do you have?
Max out your ram
Install the latest versions of Flip4Mac, Perian, VLC & Adobe Flash player.
Disconnect all peripherals from your computer. Boot from your install disc & run _*Repair Disk*_ from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select *Disk Utility.*
Select the disk or volume in the list of disks and volumes, and then click *First Aid.*
Click _*Repair Disk.*_
Restart your computer when done.
Repair permissions after you reach the desktop-http://docs.info.apple.com/article.html?artnum=25751

Airplay mirroring on Macbook Pro won't play sound

Ok, so I just updated the Apple TV to 6.0.2. Airplay mirroring works fine on my iphone and ipad. But when using it on the MBP, it won't let me hear the sound. The output to sound for the Apple TV is selected in the Preferences. I've restarted the MBP and the Apple TV. I've also Reset the Apple TV, but still nothing is working. It's not an app or music; even when I just show the desktop, and hit the volume buttons, usually you hear the tone for the button on the Apple TV. This does nothing now. I just tried Sudo killall coreaudiod, didn't work. Please help!

This is what the sound setting show.

My macbook air won't turn on and has a beeping sound. Any suggestions?

My macbook air won't turn on and when the power button is pushed, it makes a beeping noise. Any suggestions?

Beeps on startup:
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images.
5 beeps = processor is not usable
http://support.apple.com/kb/HT2538

MacBook AIR won't TURN ON!!

My MacBook Air Doesn't turn on. I did everything already, pushing the shift+ctrl+option etc. 5 seconds 10 seconds etc. still no power, there is a green light on the charger but no light or sound coming from the macbook air. This is like only a month old, so there is still warranty. the problem is I have "very important documents" in my macbook air and how would i get assurance that the files won't be corrupted, used, or lost?

Guys! I HAVE THE SOLUTION!
I hope everyone with the same problem read this!
I posted my macbook AIR won't turn on.
I coulding risk bringing it to MAC Store and leave it there because I have PRIVATE FILES.
I tried almost every other options, instructions in youtube etc. but nothing worked.
but now it WORKS
All i did was plug it for 24 hours straight. Tried turning it ON again but wouldn't work..
I left it in my room for about 1-2weeks, thinking it was hopeless.
one day I pressed the power button again THEN it came back to LIFE!!
So guys dont lose hope. Try resting it for a few days then try again.
hope this helps

My Macbook Air will not play music from the speakers

My Macbook Air will not play music from the speakers and the institutions says that it can only play sound out of earphones.

Is your account authorised on your Mac's iTunes ? If not then you can authorise it via the Store > Authorise This Computer menu option.
If you are being repeatedly asked to authorise the account : iTunes repeatedly prompts to authorize computer to play iTunes Store purchases - Apple Support

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My new Macbook Air won't connect to my Vizio VO32LF HDTV. I bought a mini-displayport to HDMI cable to connect the two. When I connect the cable, and switch to the appropriate HDMI input on the TV, my Macbook Air screen will flash blue for a second, and then return to normal. The TV reports it's unable to find a signal. I use the HDTV as my primary monitor, so I'd really appreciate some help on getting the two to place nicely together!

Cp,
Thanks for the reply. However, it appears that the issue is not with the hotspot, but with the network settings in the MacBook Air as every other device I have (including non-Apple devices) will connect to the iPhone hotspot. Another symptom is that my MacBook Air can find my iMac (and other network devices) on my wireless network, but the iMac can't find the MacBook Air.
KDR

MacBook Pro won't play .mov or .wmv files.

Since "upgrading" to Lion my MacBook Pro won't play .mov or .wmv files, all I get is a black screen and the audio. It's so frustrating!!
I've read many other posts all along the same lines and wherever possible I've tried to follow the advice which has been given but nothing works.    I've updated all the drivers I can and I've even reinstalled Lion, nothing makes a difference.
I'm not really looking for any more advice, all I want is someone from Apple to read these posts, realise there is problem and get working on a fix or update.
I had no problems when running Snow Leopard and it would seem, looking at everyone else's problems, that the common issue is Lion.   Seriously, this is one area where Lion is a backwards step.   It should just work (like most things from Apple), but it doesn't.
Personally I believe there is a problem with Lion but from what I've found out from speaking to friends with other Apple kit, this might be a random issue only affecting some people as some have said they've had no problems while others have had the same issues as me.    One guy reinstalled Lion and it resolved the issue for him, I've not been as lucky.
As I say, I'm not really looking for more advice, simply some sort of update from Apple to fix it.   PLEASE!!!

I'm not really looking for any more advice, all I want is someone from Apple to read these posts, realise there is problem and get working on a fix or update... As I say, I'm not really looking for more advice, simply some sort of update from Apple to fix it.   PLEASE!!!
This is a peer-to-peer user forum. Perhaps you would see more action if you and others would file a formal "Bug" report with Apple QuickTime technical people rather than repeatedly reporting a possible problematic problem which may or may not affect others on a random basis. QUICKTIME PRODUCT FEEDBACK
Since you aren't seeking further advice here is what I have observed. Not being a regular WMV file user, I had to create my own sample file to test—a WMV 9 file containing WMV3 compressed video and WMA2 compressed audio. Since I normally use QT 7 as my primary media player, I also stored the WMV data in its partially decompressed form in an MOV file container to avoid pre-playback delays in "classic" player routines and also provide a secondary playback test of MOV wrapped content. These files play as follows using the Flip4Mac component/player support and uncoded URL uploads:
QT 7.6.6 "Open File" - both files play correctly.
QT 7.6.6 "Open URL" - both files play correctly.
QT X.1 "Open File" - WMV file plays correctly. MOV file plays video without audio.
QT X.1 "Open Location" - WMV file appears to open but plays with "black" screen and no audio. MOV file plays video without audio.
VLC "Open File" - WMV plays correctly. MOV file doesn't open,
VLC "Open URL" - WMV file plays correctly. MOV file appears to open but nothing plays.
MPEG Streamclip "Open File" - both files play correctly.
MPEG Streamclip "Open URL" - both files play correctly.
GarageBand - WMV file will not import but MOV file does.
iTunes - WMV file will not import. MOV file container is accepted but as soon as iTuness sees the compression formats, it aborts import.
Safari - WMV file URL auto-downloads and playes in the QT X.1 Player. The MOV file URL opens and plays in Safari.
As you can see from these results the files do play but are subject to many different constrints based on old/new video technology support, independent QT subsets and/or container trapping constraints. In short, individual user results will depend on presence/absence of component support, actual compression formats, file container, application being used, and how the application is being used. Unfortunately, most users here can't or won't provide the prerequisite information or a sample file for independent examination. This makes it next to impossible to give advice in these matters or categorize the specific nature of the problem.
SAMPLE WMV FILE
SAMPLE MOV FILE

My macbook air won't turn on.. last night it was still working properly... when i woke up this morning, i went to turn it on but it didn't respond..i tried plugging the charger and the lightning cord showed a green light which is normal when charging..

my macbook air won't turn on.. last night it was still working properly... when i woke up this morning, i went to turn it on but it didn't respond..i tried plugging the charger and the lightning cord showed a green light which is normal when charging..i tried to open the macbook air again but nothing happened.. no fans, no chimes, no light in the laptop showed..what should i do? please help..thank you

Welcome to Apple Support Communities
A green light means that your battery is full or that it can't be detected. If you can't start up the Mac, probably your logic board or battery aren't working.
Take the MacBook to an Apple Store or reseller to get your battery or logic board replaced. If the MacBook is in warranty, this repair will be free

My MacBook Air won't turn on? I have to dropped it but earlier in the day I got a notification about a full single drive. I have tried the ideas in the communities but its still not working, help!

My MacBook Air won't turn on? I have to dropped it but earlier in the day I got a notification about a full single drive. I have tried the ideas in the communities but its still not working, help!

See this article:
http://support.apple.com/kb/ht3964
Find the section that applies to your computer, and follow the instructions.
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

How come some apps won't play sound on a USB device but only on the internal speaker while others can?

How come some apps won't play sound on a USB device but only on the internal speaker while others can? Mac OS 10.8.5

You can simply set your system preferences
Sound preference
output - to whatever your USB device/audio interface is
Your question seems a bit vague to me though. So can you actually inform us of what it is you are trying to do and give us examples with named kit.

MacBook Air won't connect with TimeCapsule

I recently bought the new Time Capsule and for a while it was happily backing up both my and my wife's MacBook Airs. Then it stopped backing up my wife's computer. On investigation I find my wife's MacBook Air won't connect to the Time Capsule. When I try to select the Time Capsule as the back-up disk an error message appears: "There was a problem connecting to the server "John's AirPort Time Capsule"". I can see the Time Capsule in Finder on my wife's computer but when I click on "Connect As" I get the same error message. On my computer the Time Capsule appears in Finder as Connected, but disconnecting it doesn't make any difference to my wife's computer.
Any help gratefully received.
J

First, restart the Time Capsule by disconnecting the power adapter and reconnecting it. If other devices on the network can see it, you can skip this step.
From the menu bar, select
 ▹ System Preferences ▹ Network
Click the lock icon in the lower left corner of the window and authenticate to unlock the settings, if necessary. Click the Advanced button, then select the TCP/IP tab in the sheet that drops down. Click Renew DHCP lease.
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My macbook air won't play sound

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