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<blockquote data-quote="luispo" data-source="post: 767092" data-attributes="member: 76759">how to fix the problem of no soundMacriot has the solution:<a href="http://www.macriot.com/article.php/20080718032528619" target="_blank">macriot - Apple Hardware | The Fix For No Sound From Your MacBook Pro or iPhone</a>Contributed by &quot;Mac&quot;: &lt;quote&gt;For MacBook Pro owners this is commonly characterised by:&nbsp; &nbsp; * the internal speakers still chime when your Mac is powered on&nbsp; &nbsp; * a 'no parking' like symbol appearing below the sound icon whenever you attempt to manipulate the volume on your Mac&nbsp; &nbsp; * the red light that continues to emanate from the audio output port&nbsp; &nbsp; * only &quot;Digital audio out&quot; as the only output source displayed in the Sound pane of the System Preferences. If you have these symptoms, we recommend a very gentle and minute tinkle of WD-40 into the audio output jack, followed by gently inserting and removing the audio input jack a few times. At least until the sound is returned to normal and red light ceases to glow from the audio output jack.Remember, we said &quot;tinkle&quot; not spraying into the jack like there's no tomorrow...Following the steps above will give you a good chance of restoring your internal audio.&lt;/quote&gt;This worked for me; doubtless, there had been dust or smear or something else polluting the macintosh perfection. Everything else people are doing is incidental and only coincidentally will have effect. Sorry, but this is a mechanical issue, not a software one.</blockquote>

[QUOTE="luispo, post: 767092, member: 76759"] [b]how to fix the problem of no sound[/b] Macriot has the solution: [url=http://www.macriot.com/article.php/20080718032528619]macriot - Apple Hardware | The Fix For No Sound From Your MacBook Pro or iPhone[/url] Contributed by "Mac": <quote> For MacBook Pro owners this is commonly characterised by: * the internal speakers still chime when your Mac is powered on * a 'no parking' like symbol appearing below the sound icon whenever you attempt to manipulate the volume on your Mac * the red light that continues to emanate from the audio output port * only "Digital audio out" as the only output source displayed in the Sound pane of the System Preferences. If you have these symptoms, we recommend a very gentle and minute tinkle of WD-40 into the audio output jack, followed by gently inserting and removing the audio input jack a few times. At least until the sound is returned to normal and red light ceases to glow from the audio output jack. Remember, we said "tinkle" not spraying into the jack like there's no tomorrow... Following the steps above will give you a good chance of restoring your internal audio. </quote> This worked for me; doubtless, there had been dust or smear or something else polluting the macintosh perfection. Everything else people are doing is incidental and only coincidentally will have effect. Sorry, but this is a mechanical issue, not a software one. [/QUOTE]

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