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YOUTUBE VIDEO NOT PLAY IN FIREFOX45 ( WIN 7 64BIT )

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YOUTUBE VIDEO NOT PLAY IN FIREFOX45 ( WIN 7 64BIT )

YOUTUBE VIDEO NOT PLAY IN FIREFOX45 ( WIN 7 64BIT )

被選擇的解決方法

DO YOUTUBE VIDEOS PLAY IN OTHER BROWSERS DOES CLEARING FIREFOX'S CACHE HELP INSTRUCTIONS HERE

DOES THE YOUTUBE PLAYER SHOW UP DOES THE PLAYER GIVE A TROUBLESHOOTING LINK DOES THE LINK HELP ARE ALL BOXES TICKED AT HTTPS://WWW.YOUTUBE.COM/HTML5 IS YOUR FLASH PLUGIN PRESENT AND UP TO DATE GO TO HTTPS://WWW.MOZILLA.ORG/EN-US/PLUGINCHECK/ YOUTUBE AND FIREFOX USE HTML5 VIDEO NOW BUT FLASH IS FALLBACK CHECK PAGE PERMISSIONS INSTRUCTIONS HERE

ARE YOU USING CONTENT BLOCKERS (ADBLOCK, NOSCRIPT, ANTIVIRUS) ARE THEY SET TO ALLOW YOUTUBE VIDEO DID YOU MAKE SURE OR ASSUME

DID YOU UPDATE TO FX45 OR INSTALL FRESH FX45 IF YOU UPDATED THEN OLD PROFILE MEDIA SETTINGS MAY BE WRONG TRY FIREFOX SAFE MODE IT TEMPORARILY RESETS SOME SETTINGS AND DISABLES EXTENSIONS BUT NOT PLUGINS INSTRUCTIONS HERE

IF ALL ELSE FAILS TRY NEW PROFILE INSTRUCTIONS HERE IF NEW PROFILE WORKS YOUR ORIGINAL PROFILE MAY NEED A REFRESH INSTRUCTIONS HERE

從原來的回覆中察看解決方案 14

額外的系統細節

應用程式

  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0

更多資訊

Phoxuponyou 51 個解決方法 517 個答案

選擇的解決方法

DO YOUTUBE VIDEOS PLAY IN OTHER BROWSERS DOES CLEARING FIREFOX'S CACHE HELP INSTRUCTIONS HERE

DOES THE YOUTUBE PLAYER SHOW UP DOES THE PLAYER GIVE A TROUBLESHOOTING LINK DOES THE LINK HELP ARE ALL BOXES TICKED AT HTTPS://WWW.YOUTUBE.COM/HTML5 IS YOUR FLASH PLUGIN PRESENT AND UP TO DATE GO TO HTTPS://WWW.MOZILLA.ORG/EN-US/PLUGINCHECK/ YOUTUBE AND FIREFOX USE HTML5 VIDEO NOW BUT FLASH IS FALLBACK CHECK PAGE PERMISSIONS INSTRUCTIONS HERE

ARE YOU USING CONTENT BLOCKERS (ADBLOCK, NOSCRIPT, ANTIVIRUS) ARE THEY SET TO ALLOW YOUTUBE VIDEO DID YOU MAKE SURE OR ASSUME

DID YOU UPDATE TO FX45 OR INSTALL FRESH FX45 IF YOU UPDATED THEN OLD PROFILE MEDIA SETTINGS MAY BE WRONG TRY FIREFOX SAFE MODE IT TEMPORARILY RESETS SOME SETTINGS AND DISABLES EXTENSIONS BUT NOT PLUGINS INSTRUCTIONS HERE

IF ALL ELSE FAILS TRY NEW PROFILE INSTRUCTIONS HERE IF NEW PROFILE WORKS YOUR ORIGINAL PROFILE MAY NEED A REFRESH INSTRUCTIONS HERE

DO YOUTUBE VIDEOS PLAY IN OTHER BROWSERS DOES CLEARING FIREFOX'S CACHE HELP [https://support.mozilla.org/en-US/kb/how-clear-firefox-cache INSTRUCTIONS HERE] DOES THE YOUTUBE PLAYER SHOW UP DOES THE PLAYER GIVE A TROUBLESHOOTING LINK DOES THE LINK HELP ARE ALL BOXES TICKED AT [https://www.youtube.com/html5 HTTPS://WWW.YOUTUBE.COM/HTML5] IS YOUR FLASH PLUGIN PRESENT AND UP TO DATE GO TO [https://www.mozilla.org/en-US/plugincheck/ HTTPS://WWW.MOZILLA.ORG/EN-US/PLUGINCHECK/] YOUTUBE AND FIREFOX USE HTML5 VIDEO NOW BUT FLASH IS FALLBACK CHECK PAGE PERMISSIONS [https://support.mozilla.org/en-US/kb/page-info-window-view-technical-details-about-page?redirectlocale=en-US&redirectslug=Page+Info+window INSTRUCTIONS HERE] ARE YOU USING CONTENT BLOCKERS (ADBLOCK, NOSCRIPT, ANTIVIRUS) ARE THEY SET TO ALLOW YOUTUBE VIDEO DID YOU MAKE SURE OR ASSUME DID YOU UPDATE TO FX45 OR INSTALL FRESH FX45 IF YOU UPDATED THEN OLD PROFILE MEDIA SETTINGS MAY BE WRONG TRY FIREFOX SAFE MODE IT TEMPORARILY RESETS SOME SETTINGS AND DISABLES EXTENSIONS BUT NOT PLUGINS [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode#w_how-to-start-firefox-in-safe-mode INSTRUCTIONS HERE] IF ALL ELSE FAILS TRY NEW PROFILE [https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles INSTRUCTIONS HERE] IF NEW PROFILE WORKS YOUR ORIGINAL PROFILE MAY NEED A REFRESH [https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings INSTRUCTIONS HERE]

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