Fix common audio and video issues | Firefox Help - Mozilla ...

This article will help you solve audio and video problems on web pages. ... Based on information from Video or audio does not play (mozillaZine KB). Skiptomaincontent Switchlanguage Skiptosearch SearchSupport Search Home Firefox Fixslowness,crashing,... Videos,sound,pictures... Fixcommonaudioandvideoissues Search Customizethisarticle Firefox Version101 Version100 Version99 Version98 Version97 Version96 Version95 Version94 Version93 Version92 Version91 Windows8 Windows7/Vista WindowsXP Mac Linux Windows10 Windows11 Wasthisarticlehelpful? Yes👍 No👎 Sometimes,thevideooraudiocontentinawebpagecannotbeproperlydownloadedanddisplayedinFirefox.Thisarticlewillhelpyousolvetheseproblems. Note:Ifyou'rehavingtroublewithawebsite,clickthepadlockiconintheaddressbartoseeifFirefoxhasblockedpartsofthepagethatarenotsecure.SeeMixedcontentblockinginFirefoxfordetails. TableofContents1Allowautoplayofmediawithsound2YoumayneedtoinstalltherequiredPulseAudiosoftware3HTML5audioandvideo4DigitalRightsManagement(DRM)protectedvideos5Clearthecache6Disableinterferingextensionsorad-blockingsoftware7ChecksomeFirefoxsettings8Resetpreferences9Removespecificentriesinthehostsfile(advancedusers) Allowautoplayofmediawithsound Firefoxmaybeblockingmediawithsoundfromplayingautomatically.Toallowmediaautoplay,seeAlloworblockmediaautoplayinFirefox. YoumayneedtoinstalltherequiredPulseAudiosoftware Ifyouseeanotificationsaying"Toplayaudio,youmayneedtoinstalltherequiredPulseAudiosoftware",itmeansthatFirefoxcannotfindorusePulseAudio.ThePulseAudiosoftwareisrequiredtoplayanyaudiofromFirefox.MostLinuxdistributionsnowcomewithPulseAudiopre-installed. Useyoursystem'ssoftwarepackagemanagerandensurethatPulseAudioiscorrectlyinstalled. HTML5audioandvideo FirefoxhasbuiltinsupportforopenmediaformatsusuallyassociatedwithMP3,WebM,OggandWavecontainers.However,MP4containersusuallydependonplatformdecodersforAACandH.264audioandvideostreams.Formoreinformation,seeFixvideoandaudioplaybackproblemsonFirefoxforWindowsandHTML5audioandvideoinFirefox. DigitalRightsManagement(DRM)protectedvideos IfyouhaveproblemsplayingDRM-controlledcontentfromAmazonPrime,Netflix,Hulu,Disney+andotherstreamingservices,makesurethatyourFirefoxOptionsPreferencesSettings GeneralpanelDigitalRightsManagement(DRM)Contentsetting,PlayDRM-controlledcontentischeckmarkedandthattheGoogleWidevinepluginisenabled.SeeWatchDRMcontentonFirefoxformoreinformation. Note:GoogleWidevineendedsupportfor32-bitLinuxonMay31,2021.Only64-bitLinuxissupported.Note:ThecurrentversionofGoogleWidevineisnolongercompatiblewitholderMacoperatingsystemssuchasOSX10.9and10.10.OnlyversionsOSX10.11andabovearesupported. Clearthecache SeeHowtocleartheFirefoxcache. Disableinterferingextensionsorad-blockingsoftware Ad-blockingsoftware,suchasanti-bannerfiltersofyourInternetSecurityprogram,orextensions,suchasFlashblockorAdblockPlus,canpreventaudioorvideocontentfromplaying. Ifthesiteworkswithad-blockingdisabled,youmaywanttoaddthesitetoyourwhitelistinyouradblockerfilter. Ifthevideooraudioplayswhenyoudisableallextensions,thenoneofyourextensionswascausingtheproblem.Formoreinformation,seeTroubleshootextensions,themesandhardwareaccelerationissuestosolvecommonFirefoxproblems. ChecksomeFirefoxsettings Cookies: IntheMenubaratthetopofthescreen,clickandselect. Clickthemenubuttonandselect.Clickthemenubuttonandselect. SelectthepanelandgototheCookiesandSiteDatasection. VerifythatcookiesareenabledandthatthesiteisnotblockedintheExceptionslist. History: IntheMenubaratthetopofthescreen,clickandselect. Clickthemenubuttonandselect.Clickthemenubuttonandselect. SelectthepanelandgototheHistorysection. MakesurethatFirefoxissetto. Pop-upwindows: IntheMenubaratthetopofthescreen,clickandselect. Clickthemenubuttonandselect.Clickthemenubuttonandselect. SelectthepanelandgotothePermissionssection. Allowthewebsiteasanexceptiontothe"Blockpop-upwindows"setting. Resetpreferences SeeResetFirefoxpreferencestotroubleshootandfixproblems. Removespecificentriesinthehostsfile(advancedusers) Ifyouuseahostsfile,youcantemporarilydisableitbyrenamingitXhosts.Or,youcaneditthehostsfiletoremovespecificentriesthatmaybecausingvideosoncertainsitestofail(seethisthreadforanexample).Toapplychangestoyourhostsfile,youmayneedtoflushtheDNScachebyenteringthecommand:ipconfig/flushdnsintheRundialogboxonWindows. BasedoninformationfromVideooraudiodoesnotplay(mozillaZineKB) Sharethisarticle:http://mzl.la/14CDtx2 Wasthisarticlehelpful? Yes👍 No👎 Thesefinepeoplehelpedwritethisarticle:AliceWyman,ChrisIlias,Tonnes,MichaelVerdi,scoobidiver,SwarnavaSengupta,ideato,Joni,kentuckyfriedtakahe,GeraldSquelart,AngelaLazar Volunteer Growandshareyourexpertisewithothers.Answerquestionsandimproveourknowledgebase. LearnMore RelatedArticles WhattodoifFirefoxwon'tplayanysounds Thisarticledescribeswhattodowhenyoucan'thearsoundinFirefox. Toallowautoplayofmediawithsound,seeAlloworblockmediaautoplay... HTML5audioandvideoinFirefox Firefoxhandlesmanytypesofaudioandvideocontentonwebpages,andcanalsoopenlinkstoMP3filesandsomeothertypesofmedia.This... Ican’tplayaudioonaRemoteDesktopConnection IfyouareonaRemoteDesktopConnection(RDP)onWindows,audioplaybackwillbedisabledduetoincreasedsecurityrestrictions.Thisisa... FixvideoandaudioplaybackproblemsonFirefoxforWindows ThisarticleonlyappliestoFirefoxonWindows. SomeversionsofWindowsaremissingWindowsMediaPlayerandothermedia-relatedtechnologies...