Lion Causes Stuttering Video, All Formats, All Browsers, On Current Generation MacBook Pro
Since I installed Lion I've had a problem with video within my browzer almost freezing, i.e., advancing in the manner of a slide slow skipping every couple of seconds to display a video frame as opposed to smoothly playing video. It happens accross Safari, Chrome, and Firefox, and across sites including Vimeo, FoxNews, and YouTube. Along with this is generally sluggish performance, i.e., scrolling is jerky, display of typed characters occasionally delayed. Rebooting solves the problem for about an hour, than it starts up again. Tech support and Genius Bar are stumpted. Is there anyone familiar with this issue and aware of a solution, or is it just me?!
By the way, I really appreciate the time you're devoting to trying to help me. Thanks!
YouTube is running in Flash mode (I right-clicked on the video and it indicated the Flash plug-in). Incidentally, I can't figure out how to change that to HTML5 mode. I went to YouTube > Account Settings > Playback Setup but couldn't find a way to change those preferences. Also couldn't find a toggle for those settings on individual pages.
In any case, FoxNews uses Flash video and so does YouTube with my current settings. At the moment Fox videos stutter and YouTube videos don't, but at any given time YouTube videos may stutter too—or nothing may stutter, temporarily, after a restart. I'm using a year and a half old Apple Timecapsule to connect to the internet, never had this problem with that equipment before installing Lion. Problem also happens when tethering to my iPhone, which is about the only other network I use.
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Carolyn Samit
Re: Online video playback is severally laggy/choppy on my macbook pro 2011?
Apr 26, 2012 5:07 PM (in response to bcusick)
Hi Ben...
I am quite surprised to be experiencing such issues as lagging on something as simple as a youtube video
Try troubleshooting the Flash plugin required for most YouTube video.
Quit all open browsers. I'm using Safari as a test.
Open System Preferences > Flash Player then select the Storage tab. Click: Delete All
Now uninstall the Flash plugin then reinstall new > Troubleshoot Flash Player | Mac OS
Make sure and uninstall the current plugin first.
Then launch Safari. From your Safari menu bar click Safari > Empty Cache
Now try a video.
BTW... if you have the ClickToFlash extension installed, that can prevent Flash based video from streaming. It can also be installed as a plugin in /Library/Internet-Plug-Ins.
And check to see if Safari is running in 32 bit mode. Right or control click the Safari icon in your Applications folder then click Get Info. If the box next to: Open in 32 bit mode is selected, deselect, quit then relaunch Safari.
edited by: cs -
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