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When I open Youtube, i her songs and videos, but no picture in a little window on the site. Why? On internet explorer there is no problem, and it's the same laptop. Thank you, Martina

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No picture on youtube, sound is ok, i can see everything but the picture in the window.

No picture on youtube, sound is ok, i can see everything but the picture in the window.

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You can update Firefox to the latest 3.6.15 version via "Help > Check for Updates"


Clear the cache and the cookies from sites that cause problems.

  • "Clear the Cache": Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"
  • "Remove the Cookies" from sites causing problems: Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See: