How to Fix Firefox Not Playing Videos (2022) - TechCult

Why Firefox not playing videos error occurs? · Method 1: Update Firefox · Method 2: Turn Off Hardware Acceleration · Method 3: Disable Firefox ... Skiptocontent TheMozillaFoundationdevelopedMozillaFirefoxasanopen-sourcedbrowser.Itwasreleasedin2003andsoongainedwidepopularitybecauseofitsuser-friendlyinterfaceandwiderangeofavailableextensions.However,thepopularityofFirefoxdeclinedwhenGoogleChromewasreleased.Sincethen,bothhavebeengivingtoughcompetitiontoeachother. Firefoxstillhasaloyalfanbasewhostillpreferthisbrowser.IfyouareoneofthembutfeelfrustratedduetotheFirefoxnotplayingvideosissue,donotworry.SimplyreadontoknowhowtofixFirefoxnotplayingvideos. Contents HowtoFixFirefoxNotPlayingVideos WhyFirefoxnotplayingvideoserroroccurs? Method1:UpdateFirefox Method2:TurnOffHardwareAcceleration Method3:DisableFirefoxExtensions Method4:DeleteBrowserCacheandCookies Method5:AllowAutoplayonFirefox Method6:AllowCookies,History,andPop-ups Method7:RefreshFirefox HowtoFixFirefoxNotPlayingVideos WhyFirefoxnotplayingvideoserroroccurs? Therecanbevariousreasonsforthiserrortooccur,namely: OutdatedversionofFirefox Firefoxextensions&accelerationfeatures Corruptcachememory&cookies Disabledcookies&pop-ups Before,doinganyadvancetroubleshooting,youshouldfirsttrytorestartyourPCandcheckiftheFirefoxnotplayingvideosissueisresolvedornot. 1.GototheStartmenu>Power>Restartasdepicted. Oncethecomputerhasrestarted,launchFirefoxandcheckifvideosareplaying.Hopefully,theissueisresolved.Ifnot,thencontinuewiththebelowmethods. Method1:UpdateFirefox IfyouhavenotinstalledthelatestupdatestoFirefox,itmayleadtoissueswhenyoutrytoplayvideosonthiswebbrowser.TheremightbebugsinyourcurrentversionofFirefox,whichanupdatemightfix.Followthesestepstoupdateit: 1.LaunchFirefoxbrowserandthenopenthemenubyclickingthethree-dashedicon.SelectHelpasshownbelow. 2.Next,clickonAboutFirefoxasfollows. 3.Inthenewwindowthatnowopens,Firefoxwillcheckforupdates.Ifnoupdatesareavailable,theFirefoxisuptodatemessagewillbedisplayedasbelow. 4. Ifanupdateisavailable,Firefoxwillautomaticallyinstalltheupdate. 5.Lastly,restartthebrowser. Ifyoustillfacethesameissue,trythenextfix. Method2:TurnOffHardwareAcceleration Hardwareaccelerationistheprocesswhereincertainhardwarecomponentsareassignedspecifictaskstoenhancethefunctioningofaprogram.ThehardwareaccelerationfeatureinFirefoxprovidesconvenienceandspeed,butitalsomightcontainerror-causingbugs.Therefore,youcantrytodisablehardwareaccelerationtopotentiallyfixvideosnotloadingFirefoxissueas: 1.LaunchFirefoxandopenthemenuasbefore.SelectSettings,asshownintheimagebelow. 2.Then,unchecktheboxnexttoUserecommendedperformancesettingsunderthePerformancetab. 3.Next,unchecktheboxnexttoUsehardwareaccelerationwhenavailable. 4.Lastly,restartFirefox.CheckifFirefoxcanplayvideos. AlsoRead:HowToFixFirefoxBlackScreenIssue Method3:DisableFirefoxExtensions Add-onsthatareenabledontheFirefoxbrowsermaybeinterferingwithwebsitesandnotallowingvideostoplay.Followthestepsbelowtodisableadd-onsandfixFirefoxnoaudio&notplayingvideosissue: 1.LaunchFirefoxanditsmenu.Here,clickonAdd-onsandThemesasdepictedbelow. 2.Next,clickonExtensionsfromtheleftpanetoseethelistofadd-onextensions. 3.Clickonthethreedotsnexttoeachadd-onandthenselectRemove. Asanexample,wehaveremovedEnhancerforYouTubeextensionintheattachedscreenshot. 4.Afterremovingtheunwantedadd-ons,restartthebrowserandverifyiftheissueisresolved. IfFirefoxnotplayingvideosproblempersists,youcanclearthebrowsercacheandcookiesaswell. Method4:DeleteBrowserCacheandCookies Ifthecachefilesandcookiesofthebrowsergetcorrupt,itcanleadtoFirefoxnotplayingvideoserror.Here’showtodeletecacheandcookiesfromFirefox: 1.OpenFirefox.GototheSidemenu>Settingsasyoudidearlier. 2.Next,clickonPrivacyandSecurityfromtheleftpane.Itisindicatedbyalockicon,asshownintheimagebelow. 3.Then,scrolldowntotheCookiesandSiteDataoption.ClickonClearDataashighlighted. 4.Next,checktheboxesnexttoboth,CookiesandSiteDataandCachedWebContentinthepop-upwindowthatfollows. 5.Lastly,clickonClearandRestartthewebbrowser. CheckiftheabovemethodworkedtofixtheissueofFirefoxnotplayingvideos.Ifnot,movetothenextsolution. Method5:AllowAutoplayonFirefox Ifyouarefacingthe‘TwittervideosnotplayingonFirefox’problem,thenitmaybebecauseAutoplayisnotenabledonyourbrowser.Here’showtofixFirefoxnotplayingvideoserror: 1.VisitthewebsitewherevideosarenotplayingusingFirefox. Here,Twitterisshownasanexample. 2.Next,clickontheLockicontoexpandit.Here,clickonthesidewardarrowashighlightedbelow. 3.Then,selectMoreinformationasshownbelow. 4.InthePageInfomenu,gotothePermissionstab. 5.UndertheAutoplaysection,unchecktheboxnexttoUsedefault. 6. Then,clickonAllowAudioandVideo. Refertotheimagebelowforclarity. EnableAutoplayforAllWebsites YoucanalsoensurethattheAutoplayfeatureisallowedforallwebsites,bydefault,asfollows: 1.NavigatetotheSidemenu>Settings>PrivacyandSecurityasinstructedinMethod4. 2.ScrolldowntoPermissionsandclickonAutoplaySettings,ashighlighted. 3.Here,ensurethatAllowAudioandVideoisenabled.Ifnot,chooseitfromthedrop-downmenuasshownintheimagebelow. 4.Finally,restartthebrowser.Checkifthe‘videosnotplayingonfirefox’issuehasbeenresolved.Ifitisn’t,readbelow. AlsoRead:FixServerNotFoundErrorinFirefox Method6:AllowCookies,History,andPop-ups Somewebsitesrequirecookiesandpop-upstobeallowedonyourbrowsertostreamdataandaudio-videocontent.Followthestepswrittenheretoallowcookies,history,andpop-upsonFirefox: AllowCookies 1.LaunchFirefoxbrowserandnavigatetoSidemenu>Settings>Privacyandsecurityasexplainedpreviously. 2.UndertheCookiesandSiteDatasection,clickonManageexceptionsasdepicted. 3.Here,makesurethatnowebsiteisaddedtothelistofexceptionstoblockcookies. 4.Movetothenextstepwithoutleavingthispage. AllowHistory 1.Onthesamepage,scrolldowntotheHistorysection. 2.ChoosetoRememberHistoryfromthedrop-downmenu. 3.Movetothenextstepwithoutexitingthesettingspage. AllowPop-Ups 1.GobacktothePrivacyandSecuritypagetothePermissionssection. 2.Here,unchecktheboxnexttoBlockpop-upwindowsasshownbelow. Oncetheabovestepshavebeenexecuted,trytoplayvideosonFirefox. IftheFirefoxvideosnotplayingissuepersists,movetothesucceedingmethodstorefreshFirefoxandrebootyourcomputer. Method7:RefreshFirefox WhenyouusetheRefreshFirefoxoption,yourbrowserwillbereset,potentiallyfixingallminorglitchesyouarecurrentlyexperiencing.Here’showtoRefreshFirefox: 1.IntheFirefoxbrowser,gototheSidemenu>Help,asshownbelow. 2.Next,clickonMoreTroubleshootingInformationasdepictedbelow. 3.TroubleshootingInformationpageisdisplayedonthescreen.Finally,clickonRefreshFirefox,asshownbelow. Recommended: EnableorDisableAutoPlayinWindows10 FixAutoplaynotworkinginWindows10 HowtoChangePasswordonNetflix HowToAddWidgetsToWindows10Desktop WehopethatthisguidewashelpfulandyouwereabletofixFirefoxnotplayingvideosissue.Also,letusknowwhichmethodworkedthebestforyou.Finally,ifyouhaveanyquestionsorsuggestionsregardingthisarticle,feelfreetodroptheminthecommentssectionbelow. Postedby PeteMitchell PeteisaSeniorstaffwriteratTechCult.PetelovesallthingstechnologyandisalsoanavidDIYeratheart.Hehasadecadeofexperiencewritinghow-tos,features,andtechnologyguidesontheinternet. RecentPosts HowtoLogintoAOLMailinWindows10 HowtoMuteanApponWindows10 FixStuckonDiagnosingyourPCinWindows10 HowtoSetupCouchPotatoonWindows10 FixShockwaveFlashCrashesinChrome FixCommercialUseDetectedTeamViewerinWindows10 FixSkyrimWon’tLaunchinWindows10 HowtoClearCacheonFacebook HowtoUnlistYourNumberfromTruecaller HowtoUnmuteaStoryonInstagram TechDictionary WhatisHTCS-OFF? WhatHappenedtoLimeTorrents? WhereistheChromeMenuButton? 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