On my macbook pro i lost my built in sound

I am having issues with my sound on my macbook pro. There is no built in sound when i go to the preferences and sound. I have tried everything from running hardware diagnostics to doing the Option + Command, P + R and nothing works. please help

My solution for "No Sound Output to MacBook Speakers" - Re-route Sound Input / Output
I have had this problem on my MacBook Pro, and tried EVERYTHING Apple & Forums suggested - SMC reset, PRAM reset. Apple advised me to send it in for servicing. Since it isn't covered by warranty, I didn't want to do that.
If you do not want to pay Apple to fix your MacBook optical sound jack hardware, you can overcome the problem with this procedure I came up with myself, which overcomes the hardware failure caused by the headphone jack optical sensor thinking something is plugged in there when there isn't.
Ironically, this solution requires a jack be inserted into the headphone jack. Annoying, but workable and free.
Step 1. Plug headphones in (don’t worry, you won’t use them)
Step 2. Change System Preferences -> Sound -> Change Internal Speakers to an Input!
Step 3. Done!
Obviously when you do want to use the headphones, you must revert this setting.
Hope this helps!
Doug

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Right, MacBook Pro 17" early 2011(Built March) and my new OCZ sata III 6G not working, when is Apple going to admit there is a problem with the Intel's 6 Series Chipset. In System Information it says "Link Speed: 6 Gigabit" which is sata III.

My MacBook Pro 17" early 2011(built March) and my new OCZ sata III 6G are not working together, when is Apple going to admit there is a problem with the Intel's 6 Series Chipset. In System Information it says "Link Speed: 6 Gigabit" which is sata III and in my MacBook Pro it does not work.
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After biting the bullet and ordering more RAM, my computer now is working a ton better. So that must have been the main issue. With 8 GB RAM, I can now even run Parallels fluidly (better than my work PC!) where before simple things like logging in to my MBP after reboot could take forever.
The place I went to had several other people getting RAM upgrades at the same time as me, so between this and other comments I've seen in discussions here and elsewhere on the Internets, I take it to mean that either Apple should bump up the base RAM on its new machines, and/or stop charging so much for additional RAM.
I refused to believe a Pro machine bought with Lion installed would come with too little RAM for light to medium usage, but it was apparently the case. I'll mark this as a correct answer and hope some other poor soul will come across this thread and be helped by it.

My Macbook Pro i7 lost wifi connection

Hi, my Macbook Pro i7 lost wifi connection. I don't know why, but my connection is lost every time. I've other PC, tablets etc. (Windows, iPhone, iPad) and all is ok. Only Macbook Pro i7 have this problem. Some help?

Well if then, if it is two weeks old, I suggest a trip to the Genius Bar at your Apple Store... it may well be a warranty issue.
I am sorry I was not able to be any help at all besides WANTING to!
Were you running your other wireless machines at the SAME time? And you had nobody in the house using mixers (for drinks or cake and cookie batter) or hair dryers? Clothes dryers....?
While thinking of Brasil and weather- I saw on our public TV station a few months ago- a story about a fishing boat, I think south of Rio de Janeiro, who encountered a hurricane- and only one fellow lived. Ouch!
Report back if you can save the link to the page, or the emails of the answers, to tell what the Apple store said...

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see if there is anything for you.
http://support.apple.com/kb/TS1920

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Hi!
I recently destroyed my macbook pro and lost all my info. I need to redownload my programs. I bought CS5.5, but was upgraded to CS6 because it was purchased just a few weeks before its release. How do I do this? Thanks!

Downloadable installation files available:
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Acrobat: XI, X | 9,8 | 9 standard
Premiere Elements: 13 | 12 | 11, 10 | 9, 8, 7 win | 8 mac | 7 mac
Photoshop Elements: 13 |12 | 11, 10 | 9,8,7 win | 8 mac | 7 mac
Lightroom: 5.7.1| 5 | 4 | 3
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Download and installation help for Adobe links
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See Apple - Free OS X Mountain Lion upgrade Program.

My MacBook Pro has lost it's connection to my home wifi

My MacBook Pro has lost it's connection to my home wifi. I made no changes to my Mac or router it just would not pick up the signal when I turned it on one day. Wifi works fine for other laptops and iPhone, and laptop is picking up other wifi signals. I have tried suggestions here such as resetting PRAM etc but can't seem to find posts with same problem

No. I see other networks but not mine. And when I try to type it in manually it says 'connection timed out'

Macbook Pro V10.6.6 making weird sound

My Macbook pro has started making this weird sound suddenly starting this morning. It's coming from the right side and the sound is very hard to explain. It's somewhat krrrrrrr, something like an electric, static sound. It's hard to hear at times but it can get quite annoying when it gets loud. It comes and goes. I tried restarting my computer but the sound still remains. What could that sound be? I hope all my internal hardware is fine
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Try doing a SMC reset, it may take a couple of try's. The instructions are:
*SMC RESET*
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• Press the power button to turn on the computer.
*PRAM RESET*
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After upgrading to yosemite my macbook pro late 2011 does a random sound from time to time.

After upgrading to yosemite my macbook pro late 2011 does a random sound from time to time. Its completely random and i already checked all apps in use and its not from them.

Sounds like Notifications app.
Maybe some other app. In SystemPreferences->Users&Groups->LoginItems tab: remove all entries with the minus sign underneath. This will not uninstall anything, you have to start those apps by hand now. Restart.
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Still there?
Yes: Make an etrecheck list and post it here.
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HT204382 Hi, Ive just got myself a Macbook Pro, and Im having problems with sound on movie files. The format is wmv and they play OK on a windows 7 laptop, and Im trying to play them now on the MAC. The picture is OK , but no sound. I have Flip4Mac - no d

Hi, Ive just got myself a Macbook Pro, and Im having problems with sound on movie files. The format is wmv and they play OK on a windows 7 laptop, and Im trying to play them now on the MAC. The picture is OK , but no sound. I have Flip4Mac - no diference

Download and install the free VLC for Mac - that should work:
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My macbook pro 13" don't have any sound

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the sound is put to maximum position

Check the function keys again. If there is no change, try a PRAM reset:
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Ciao.

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i am trning to find the movie trailer app that was built in on my late model macbook pro. if this isnt still an option, i would like to know my other options.

There is a way to see (in small window) short bits and parts of video movies, where they exist, in the iTunes application from the store page in there. My older Mac with earlier version of iTunes lets me browse Music, Movies, TV stores, from the sections on the iTunes application; years ago there was more direct content. They used to have a site page for some of those clips... I haven't looked lately.
A screenshot of a video clip ^ from the iTunes Movie store, via iTunes in my Mac.
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and if you can find that name, that may be a talking point. The Store has lists of
what software may be included in the most recent Macs in each products info.
{There was no mention prior to your reply...
that you did not want to make movies, btw.}
Good luck & happy computing!
edited.

MacBook Pro using WinXp and Built in iSight camera?

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Dennis Moore

Hi Dennis Moore2,
Does not look like it's working yet. Looks like a driver problem:
http://discussions.apple.com/thread.jspa?messageID=2502129&#2502129
http://discussions.apple.com/thread.jspa?messageID=2160883&#2160883
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John

On my macbook pro i lost my built in sound

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