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Something is not right with my Firefox and Windows 7 combo because reportedly, it should work, but Youtube's test page says otherwise:
The problem I'm having is on certain videos Youtube gives me this cheeky message which suggests to use other combinations of browsers and OSes:
I'm using Firefox Developer Edition 51 (latest to date) and I'm on Windows 7 Ultimate 64 bit with no "N" suffix. Many mention the "N" as it means there are no media codecs installed, and I'd have to get a special ~300mb installation from Microsoft's site (it's free). I tried it and it says it's not applicable for my case.
There are also outdated suggestions to change some bool flags in about:config which are already enabled at this point.
I have K-lite codec pack installed with maximal options, and I don't have media player uninstalled or missing checkboxes in any media-related options in the Windows Features list (available through the uninstallation control panel).
What's missing?
user1306322
Posted 2016-09-27T23:43:57.810
Reputation: 4 237
It works in the release version. Have you checked for outstanding bugs in the developer version? – DavidPostill – 2016-09-28T15:12:09.330
Doesn't work for me, in fact it's missing one more item. What Windows do you have?
– user1306322 – 2016-09-28T16:29:12.910