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Old Feb 23, 2011, 10:14 AM   #26
Dan--
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I wonder if this has anything to do with having a graphics card or not.
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Old Feb 23, 2011, 03:01 PM   #27
RonaldoMitchell
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I still had 10.1 when youtube videos started showing up as a black box. Then I upgraded to 10.2 to see if it would resolve the issue but it didn't. So I also opted in to the html5 trial.
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Old Feb 26, 2011, 12:24 PM   #28
jasg49
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Here is what worked for my on my late 2007 MacBook.

1. Show Safari in Finder.
2. Get Info for Safari
3. Check 'Open in 32-bit mode'
4. Logout and back in.

This works with and without ClickToFlash - the logout/in was critical.

Others have suggested unchecking 'Enable Hardware acceleration' in Flash settings, but that had no effect for me. Probably varies by graphics hardware if it solves the problem at all.
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Old Mar 16, 2011, 01:17 AM   #29
Commodore
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I just started having this problem for some reason. I suppose my machine just updated to the new version of Flash. Is there a fix besides using Safari in 32-bit mode? I'd prefer not to do that... I'd like to take advantage of all my bits.

I've read elsewhere that this is a Youtube issue and they're working on a fix with Adobe.

Something I've found really helpful is http://quietube.com Install the bookmarklet on the website and it will automatically create a page with the video embedded, which plays just fine. I'm using that has a Band-Aid until this is fixed.
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Old Mar 16, 2011, 05:00 PM   #30
jackc
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I had this issue in both Safari and Firefox. After clearing cache, cookies and restarting yesterday, it didn't seem to help, but I restarted again and somehow it's working now.
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Old Mar 16, 2011, 05:29 PM   #31
Commodore
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I have done everything. I have cleared cache and repaired permissions maybe 5 times with a reboot after each time. I have changed the user agent via the developer menu. Nothing works. I'm not going to change to 32-bit mode. I'll wait for a fix. Youtube videos work in Chrome but run very herky-jerky which they've never done.
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Old Mar 17, 2011, 11:57 PM   #32
Commodore
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Are people no longer having this issue? Is it just me? Or has everyone switched to Chrome or Firefox?
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Old Mar 18, 2011, 12:11 AM   #33
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Quote:
Originally Posted by Commodore View Post
Are people no longer having this issue? Is it just me? Or has everyone switched to Chrome or Firefox?
Many are having issue including me. Many threads on Apple forums.
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Old Mar 18, 2011, 12:15 AM   #34
Commodore
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Quote:
Originally Posted by MichaelTheGeek2 View Post
Many are having issue including me. Many threads on Apple forums.
And no resolutions besides making Safari 32-bit?
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Old Mar 18, 2011, 02:37 AM   #35
Michaelgtrusa
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Quote:
Originally Posted by Commodore View Post
And no resolutions besides making Safari 32-bit?
I'm seeing less probs than I was more than 24 hrs ago when my probs started. Some say that changing the user agent in a temp fix. It all oils down to Youtube.
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Old Mar 21, 2011, 05:51 PM   #36
zango
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FIXED IT! DAMN STRAIGHT haha.

No 32-bit mode for me, I was stubborn. It worked before in 64-bit, why would it not work now.

Here's what to do:

Go here:

http://fpdownload.macromedia.com/get...player_osx.dmg

and download the flash uninstaller. Uninstall flash completely.

Then go here:

http://fpdownload.macromedia.com/get....0_archive.zip

And install that version of flash.

Open safari and enjoy.
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Old Mar 21, 2011, 06:40 PM   #37
Commodore
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I just checked Youtube again after the most recent reply and I'm not having the issue anymore. I didn't make any other changes. Let's hope it stays that way.

Thanks for the uninstaller and installer links, zango.
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Old Dec 17, 2012, 08:21 AM   #38
robgoblin
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bumping this thread, having the same issues again, but also found the fix, stop using html5. go into your YT settings, and uncheck using html5. seems safari has has started using this recently after some update.
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