IMac (Intel) :: Choppy / Skipping Flash Video?
Aug 27, 2014
I have a late 2011 iMac (21.5") that has worked pretty well since purchase in November, 2011. However recently I started to experience severe lagging and even major skipping when viewing Flash video content on a number of different sites. The behavior exists in both Firefox and Safari, and I've tried a clean install of Flash twice now with no improvement. I also upgraded my router to address intermittent wireless outages that I thought were contributing to the video performance issues.
I was previously using an old Airport Express, and purchased a new Airport Extreme. That improved my wireless performance dramatically. Constant signal drops disappeared, and my speedtest.net speed went from all over the map with an average of 5Mbps to a smooth steady 50Mbps almost every time. However the video issues have persisted. Yesterday I downloaded temperature monitor to see if overheating was an issue. Here are my readings after about 40 minutes of running flash content:
I just purchased an APC UPS (something I've been meaning to do anyway) but I'm doubtful power fluctuations are the culprit. I'll try plugging directly into the router of course, to see if somehow flash content is causing some wifi signal variance that speedtest doesn't pick up. But I'm beginning to worry that my GPU is the real issue here.
Info:
iMac, OS X Mavericks (10.9.4)
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Apr 26, 2010
My iMac (Intel) is having serious problems playing saved video files, especially from the Elgato EyeTV hybrid (file extension .eyetv). Everything played fine for about 1.5 years, then suddenly the iMac just started pinwheeling intermittently and stopping the video every few seconds. It was like watching Youtube on dial-up. I tried closing programs, stopping Time Machine, restarting, reinstalling EyeTV... but nothing fixed it, it only got worse and actually started freezing the whole machine and causing incredibly slow and scary restarts with lots of blue screens. At this point I actually re-formatted the whole darn computer and the files played OK for maybe a day or two, then just started pinwheeling the .eyetv files again, although movies on my hard drive play ok now as far as I know. Youtube and other streaming has always been fine. Watching live-feed TV on the EyeTV has never been a problem either. Why can't I watch my recorded files?
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Oct 5, 2008
Just noticed that when I'm lying on the bed with my MBA on my legs, watching so [URL]videos....it starts skipping in about 10-15 minutes.
I don't see core shutdowns.....but actually the video/audio is going to desync and starts skipping....is this normal? Do I have to get a MB/MBP just to watch Hulu and flash videos?
I think this may be related to the temperature, but usually it's not that hot.
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Nov 3, 2009
I have noticed my imac 27" has started being choppy with playback of both divx and flash. I know there are other threads about this for flash but I haven't heard much about divx. I tried installing divx, vlc, and perian, but in all the playback is choppy.
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May 10, 2012
I have a 20-inch Mid 2007 iMac with 2.4 intel core duo with 4gb memory running OS lion 10.7.4. I am getting choppy video with play back. I have tried resetting Safari, Uninstalling and reinstalling old and new versions of Adobe Flash. Am I SOL? Is my Processor to old? Can I upgrade it? Or do I need a whole new computer?
Info:
iMac
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May 3, 2012
Why is the video stream on YouTube choppy, while audio streams smoothly?
Info:
iMac (17-inch 1 GHz), Mac OS X (10.5.8), Apple extreme base station
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Jan 11, 2009
I'm just watching videos on Youtube in HD, and Hulu. I'm even noticing when I'm typing quickly the computer lags behind at times and almost stutters. My iMac is 2.4 ghz with 4 mb of ram and I haven't had this problem before.
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Jun 15, 2010
So this is a problem that's been bugging me for half a year or so. Usually, I start up a video on Youtube or the like and for about 2-3 minutes it runs smoothly, but after that, the audio skips a bit (kind of like a record skipping) and the RAM spikes. After the hiccup, it tends to run normally, but after a few seconds, it'll skip again and occasionally, the audio will degrade and all audio played back through the browser sounds heavily distorted until I restart.
I used to run Firefox, but when this problem popped up, I would get this:
so I switched to Opera, which worked for a little while, but the problem came back. I tried Safari and Chrome, but it's still there.
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Aug 19, 2009
I found this forum through a google search, and wanted to put the word out. It seems choppy, laggy or otherwise unplayable youtube videos and other streams using Adobe Flash 9 or 10 on OS X 10.3, 10.4 and 10.5 is a very common headache with no clear resolution other than, 'Your CPU is too slow".
It seems I may have found a suitable fix to allow flash videos (as poorly as adobe flash is coded for Linux and OS X platforms) to finally play on my old, but very much alive 12" PowerBook G4. I'm not talking HD videos in DVD glass pond-like quality, but I'm talking 1fps to an estimated 10-15fps with mp3 quality audio that doesn't stutter.
My specs as tested and functioning:
System: 1Ghz PowerPC G4 12" aluminum
Version: OS X 10.5.8 (originally came with 10.3.9)
Video: GeForce FX Go5200 32MB
Memory: 768MB DDR (upgraded from stock)
HDD: 160GB Western Digital (upgraded from stock)
ALL I had to do (not perfect, but very very noticeable improvement!) was right-click the video while it was playing, and choose the 'settings' menu for Adobe Flash player. From there, I simply unchecked the "Use Hardware Acceleration" on the Display tab, and bump the "Local Storage" tab slider bar up to 10MB.
If anyone else is or was experiencing this problem, please try this quick and easy work-around out and share your experiences. If we can get a few to confirm, I'd be happy to seed it on the google interwebs so others can find the information easily.
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Feb 25, 2010
I have used 3 iMac's/Macbooks and continue to have this issue. I even had a 27" i7 with 8 gb/ram. Every time I would click or do something while a video was streaming (on Hulu for example) I would get a slight stutter in the video.I have all updates installed. I know many of you use Mac Mini's to stream media to your televisions. I don't understand why I've experienced these problems with three different computers. I suppose it may be a Flash problem? Just looking for tips. I noticed it again today when I tried to stream something on CNN.
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Jul 23, 2009
I converted my DVD collection (and a good portion of my TV-DVD collection) over to my computer for my Apple TVs. When I finally completed this huge chore I went out and got three 1.5TB internal drives to replace the six externals that I had.
I don't THINK the problem started when I got the new drives, since I didn't watch too much on the computer itself too often. But I have been watching a lot of junk on the computer lately, and I noticed that every few seconds the video hiccups. Not the audio, just the video. It's a small hiccup, but it is noticeable and therefore annoying.
I'm realllllly hoping it's not the drives, as that would completely suck. Is there anything else it could be? This happens regardless of what else is running in the background. The specs are in my sig. The drives are 1.5TB 7200 RPM drives.
EDIT - It seems that it hiccups in quicktime/iTunes, and not in VLC.... which I think rules out the computer and the files themselves. Could Perian be causing jumpy playback?
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Oct 30, 2010
When watching hulu even with a great connection speed the video will drop frames and skip but the audio will not. It's weird that the audio doesn't skip also.When watching videos in itunes the video catches or the audio gets repeated like a record going back 2 secs.
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Apr 26, 2009
i'm running VLC on both mac and on windows on my macbook. My VLC on mac skips around once every minute and a half. its barely noticeable but i notice it and it bothers the hell out of me. Mplayer does the same thing.
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May 10, 2009
when on youtube etc my white macbook (2.0Ghz Nvidia graphics) video will start to stop/skip/stutter.basically every 5 minutes or so the video will skipa second or half second and continue playing for a minute or so then do it again.I've a solid 7 -8 Mb connection, my macbook temp is floating around 60 when watching video, right now it's 49.
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Nov 3, 2009
Running a G4 (dual 1 ghz, 2Gig mem, GeForce4 Ti 4600 video card) and video plays very choppy for some applications, especially for sites like Hulu. Just hooked it up to my 52" LCD and it was REALLY choppy on there, which I guess I can understand, but not sure why it is on everything else. Right now all I have is a 17" acrylic, any ideas why its so choppy? Anything I can do to speed it up or am I just out of luck?
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Jun 28, 2012
I cant play any flash video. and when i try to download it all i get is a black screen
Info:iMac
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Aug 21, 2009
When video chatting on Skype, iChat, or Yahoo! Messenger, it is always choppy on both ends. I am at my college now so the internet isn't the problem, I know (up speed is 3 Mbps constant and constant down is 5 Mbps).
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Jan 25, 2010
I have a MBP 15 with the 9600 gt and an Intel ssd x-25.
Why do i experience choppy 1080p material (files that are over 8 gb)??.
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May 4, 2010
I just got a macbook. I love it with the exception that when I stream sports, the picture and sound are clear but the picture's streaming speed isn't steady.
For instance, a watching hockey, it looks like the players are speeding up and slowing down the entire time.
Does anyone know of a driver that I can run to stop this? Maybe a different browser. I have tried firefox and safari and the problem is the same on both.
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Dec 31, 2009
I'm trying to make an old iMac G5 (17" 1.8ghz non-iSight model) of mine useful again and am giving it to my mother, but after adding another 1gb stick of memory (making it 1.5gb total), putting in a new 7200rpm 500gb HDD and upgrading it to 10.5, I'm experiencing stuttering youtube in Safari and general sluggishness.
Could it be possible that Leopard, although supporting PPC is slowing it down? Maybe, then, downgrading to Tiger again might fix things. Mostly, I'm confused at why it would be struggling to play YouTube clips in Safari (and in the newest build of Webkit, even).
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Mar 8, 2010
Lately I have been having trouble when playing some DVDs and other videos on my laptop (MBP 17" 2.93 Intel Core 2 Duo, 8GB RAM, Mac OS X 10.6.2).
It seems it's skipping frames: it is especially clear on side camera movements such as pans, but it happens all throughout the DVD or video I'm playing. The movements are as if some frames were taken out, resulting in a "jumpy" image.
Besides the obvious fact that it's extremely annoying, I am very puzzled because it happens with all sorts of original DVDs, and also with some online videos (such as this one: [URL], which I also highly recommend, if you'll allow me), but not with all. It doesn't matter whether I play the DVD with Apple's DVD Player or with VLC, the skipping happens anyway. It doesn't affect audio or any other application.
.mpg, .avi and other video formats seem not to be affected. Only VIDEO_TS folders or original DVDs seem to have this problem, as well as the above mentioned Vimeo video (which suggests it could happen with other streaming videos, but I haven't had that problem yet - Youtube seems to work just fine).
I wouldn't be able to specify when it started happening (probably about a month or two ago) but it hasn't been like this always, so I don't have a lot of info on any updates that may have caused the problem.
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Sep 6, 2014
MacBook Pro
13-inch, Mid 2009
Processor 2.26 GHz Intel Core 2 Duo
Memory 8 GB 1067 MHz DDR3
Graphics NVIDIA GeForce 9400M 256 MB
Software OS X 10.9.4 (13E28)
itunes version 11.3
160gb rotational hard drive w 75 GB free space
my problem is that tv shows and movies downloaded from the iTunes store skips frames (stutters, pauses call it what you will) every 5 or 10 seconds while playing. The sound continues but the video stutters. The problem appears after watching for about 5 minutes, its fine until then, sometimes it gets a bit better but it never goes away.The movies are not HD, they're standard definition files.
I've tried many different movies and tv shows purchased from the iTunes store and its always the same.It happens in full screen and half size. It happens when i open the files in quicktime player as well. I have no other applications running while the problem happens. It does NOT happen when I put the files onto my girlfriend's iPad, they playback no problem.
This problem did not happen when I first purchased the laptop, it has only appeared in recent months. At first I thought it was a RAM issue as I only had 2gb of RAM so I upgraded to 8gb and while my computer is much faster in general the problem has not gone away at all, it's exactly the same. Then I thought it was because my hard drive was full, (which it was) so I cleared some space and now have 75gb free on a 160gb drive. Still skipping frames. It does not happen when I play video files not purchased from iTunes store in quicktime.
Info:
MacBook Pro
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Mar 9, 2006
I gave the video content on the iTMS a shot tonight.
I bought the Lewis Black stand up show. Lewis is hysterical of course, and while the resolution is less than most pirated media I have seen, it was good enough for me for two dollars.
However, I have noticed that at times it just sorta lags/skips. It's like I ma streaming it on the web and it has to rebuffer or whatever.
I did a search and found nothing
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Jan 25, 2007
I'm currently running an old powermac G3 that's fine with everything except video playback.
My question, is it the 300mhz processor, the video card (stock ATI rage), or a combination of both?
Before it's said, I would buy a new computer if I could afford it.
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Aug 19, 2008
I have a 12" Powerbook G4 1.5Ghz with 1.25GB of RAM. I can't seem to figure out how to make my video playback smooth. I have tried so far playing videos from Itunes and also avi files. No matter what i try its still unwatchable.
I'm running Leopard with latest patches. Web browsing and other things are fine, its only video that is giving me problems
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Mar 23, 2009
why are all my iTunes videos so damn choppy?! High Quality Youtube videos are "ok," but HD Youtube videos are just as bad as trying to watch anything on iTunes.
what do i need to upgrade (word choice?) to successfully watch iTunes videos crisply. i'm assuming it's like a graphics card or a processor or something. i could buy a decent computer in the next couple of months but i'm not because my parents are strongly against me upgrading anything because i'm going to college Fall 2010, so they said i'll just get a high-end something or other when the time comes. the point of what i just rambled about was is there something on my current PC that i can upgrade?
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Nov 19, 2009
Earlier this year, I finished ripping nearly every single one of my DVDs and Blu-rays (I only have a handful of the latter) so that I can play them off of my Mac Mini instead of having to load the DVD player every time I want to see a different movie.
On the Mac Mini 1.83 gHz C2D with 2gb of RAM and GMA950 graphics, I had no issues with the 480p videos in Front Row, but the high-def rips from the Blu-rays were very jerky, even though I downconverted them to 720p. I just upgraded to a 2.0 gHz C2D with 2gb of RAM and the nVidia 9400M graphics. Most of the 720p videos play well now, but a couple of them (Iron Man, particularly) are still a bit jerky in places.
Would upgrading again to a 2.26 gHz or a 2.53 gHz Mac Mini fix this issue? Do I just need more RAM? Does anyone have any advice?
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Feb 14, 2010
I have a mini display port to Hdmi and this is happening Playing back videos on vlc. Doesn't do this with the laptop monitor.
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Apr 1, 2010
I have a Rev A MBA but for the first time I just downloaded a TV show from Itunes and tried watching it back. It was very jumpy, freezing and video and audio were sometimes out of sync. I turned off all other applications, which improved it, but did not solve it. I tried downloading a second one and had the same problem.
Is this common? I would have thought of all applications to work well, Itunes should be one of them.
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Jun 23, 2012
All of a sudden I am getting choppy video playback on web content from any site using any browser. I have searched and searched every online forum I can find. The problem most say is old machines that are not Intel proccessors. Another problem described is RAM. And another is the Flash player plug-in. I have a 2008/9 Intel Core 2 Duo 2.1gHz MacBook, with 4Gb RAM! And over 20Gb of space left on my 320Gb hard drive. I do not see why there would be any hardware problems here. I have also uninstalled the Flash plug-in, properly and completely. I have reinstalled it too and according to the Adobe website it is running properly. I also use MacKeeper and everything according to that is running efficiently. The last time I completely reformatted my HDD was less than a year ago. My battery is old, but it still manages to last for about 3 hours, so I'm guessing that's not packed up just yet either. why my web video is still choppy? The sound for a video plays out just fine, but the video freezes and then starts up again a few seconds later. Some browser it's better on one day and worse the next. The same is true for different websites. But it is almost never smooth.
Info:
MacBook, Mac OS X (10.5.5)
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