Các câu trả lời gần đây cho Sound does not work, Again.https://support.mozilla.org/vi/questions/6662992010-05-05T08:05:42-07:00No Sound
Vista Users: Do you see the Firefox application in the Mixer if you visit a website that h2010-05-05T08:05:42-07:00TXGuyhttps://support.mozilla.org/vi/questions/666299#answer-26169<p><u><strong>No Sound</strong></u>
Vista Users: Do you see the Firefox application in the Mixer if you visit a website that has sound? You can click the Volume icon on the Windows Taskbar near the clock and click the Mixer link at the bottom to open the mixer.
</p><p>See:
<strong><a href="/en-US/kb/what-to-do-if-firefox-wont-play-any-sounds" rel="nofollow">What to do if Firefox won't play any sounds</a></strong>
<strong><a href="/en-US/kb/fix-common-audio-and-video-issues" rel="nofollow">Fix common audio and video issues</a></strong>
<strong><a href="http://kb.mozillazine.org/Video_or_audio_does_not_play" rel="nofollow">Video or audio does not play (Mozillazine article)</a></strong>
<strong><a href="/en-US/kb/fix-common-audio-and-video-issues" rel="nofollow">Fix common audio and video issues</a></strong>
</p><p><u><em><strong>Other Issues</strong></em>: to correct security/stability issues</u>
</p><p><u><strong>Update Java</strong></u>: your version 1.6.0; current version 1.6.0.20 (<u>important security update 04-15-2010</u>)
<em>(Windows users: Do the manual update; very easy.)</em>
See: <strong><a href="http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates" rel="nofollow">Updating Java</a></strong>
Do the update with Firefox closed.
</p><p><u><strong>Install/Update Adobe Flash Player for Firefox</strong></u>: your version 10.0 r12; current version 10.0 r45
See: <strong><a href="http://support.mozilla.com/en-US/kb/Managing+the+Flash+plugin#Updating_Flash" rel="nofollow">Updating Flash</a></strong>
-download and <u><strong>SAVE to your hard drive</strong></u> (save to Desktop for easy access)
-exit Firefox (File &gt; Exit)
-double-click on the Adobe Flash installer you just downloaded to install it
-when the Flash installation is complete, start Firefox, and test the Flash installation here: <a href="http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_15507&amp;sliceId=1" rel="nofollow">http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_15507&amp;sliceId=1</a>
</p>
<ul><li><u><strong>NOTE: On Vista and Windows 7</strong></u> you may need to run the plugin installer as Administrator by starting the installer via the right-click context menu if you do not get an UAC prompt to ask for permission to continue (i.e nothing seems to happen). See this: <a href="http://vistasupport.mvps.org/run_as_administrator.htm" rel="nofollow">http://vistasupport.mvps.org/run_as_administrator.htm</a>
</li><li><strong><u>NOTE for IE:</u></strong> Firefox and most other browsers use a Plugin. IE uses an ActiveX version of Flash. To install the IE ActiveX Adobe Flash Player, same instructions as above, except use IE to download the ActiveX Flash installer.
</li></ul>