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Windows 7: Video playback is jerky

26 Jan 2010   #11

spikes for first 45 minutes

sounds like the spikes at startup are caused by one of these:

-system restore
-indexing service
-readyboost(probably not)

system restore is easy to turn off if you want to do a test, but I don't think you can really turn off superfetch, nor should you.

I'd say the best solution is, don't shut down or restart your system! That way instead of waiting 45 minutes, you'll be ready to go in 45 seconds or less.

Properly configured for S3 sleep you computer won't really use any more electricity when sleeping that it would if turned off (maybe 1 watt). If you are worried about power outages you can use hybrid sleep or just use hibernation.

Of course it is possible that certain tasks will still run in the morning when you wake up the machine but it's worth a try, and in any case S3 is great. I stopped shutting down all my machines years ago, except my laptop which I often hibernate.

My System SpecsSystem Spec
25 Jun 2010   #12

Microsoft Windows 7 Home Premium 32-bit 7601 Multiprocessor Free Service Pack 1
How do I disable background annoyances?


I seem to be having a similar problem with jerky video, stalling and not buffering. I believe there *is* definitely something running every few seconds in the background, because I also have problems inputting text on Webforms, with IE losing keystrokes.

How can I tell which processes are running every few seconds which would cause jerky video buffering, as well as losing keystrokes when typing?

Thanks for any help you can offer!
My System SpecsSystem Spec
26 Jun 2010   #13

Windows 7

I thought this thread had died since I started it a year ago.
What finally cured my problem was installing K-Lite Mega Codec Pack135.
That is a really OLD pack. I use it in XP. I've never had any problems with it so I never upgraded it. I doubted if it would install in Windows 7 but it did and I've never had a problem with the stuttering video since. I posted this in the Sage TV forum and they canceled the post because the K-Lite codec is supposedly illegal. It's readily available and I've really heard very little about its legality. If it ain't legal, then where WOuld I go to get a codec that works like it does?
My System SpecsSystem Spec

26 Jun 2010   #14

Microsoft Windows 7 Home Premium 32-bit 7601 Multiprocessor Free Service Pack 1

Hello mewnlite,

Thanks for the input. I am downloading as I write this. It does not seem to be that illegal, for I found it on CNET downloads.

And, speaking of legal, what is illegal? Why could we not have one computer/processing hardware that processes all software, including applications, console based games, and play any media? It just seems like it would be so simple to reverse engineer all of the popular systems available now into one, universal system. Much better...

Well, I digress. Hopefully that download is done, and it will help!

Take good care,
My System SpecsSystem Spec
26 Jun 2010   #15

Microsoft Windows 7 Home Premium 32-bit 7601 Multiprocessor Free Service Pack 1

Well, that saved the day. Video playback is operating as I think it should. Still a little jerky, but watchable without stopping to buffer. The jerkiness may be just due to the quality of the uploaded images.
My System SpecsSystem Spec
02 May 2011   #16

win7 home prem 32

I fixed mine by changing refresh rate from 50 to 60 hz
My System SpecsSystem Spec
03 May 2011   #17

Windows 7 Home Premium 64 bit

You mentioned Sage in your original post. I find that changing the default MPEG2 video decoder to the Microsoft decoder greatly improves playback. The decoder is selectable on the configuration pages of SageTV and Beyond TV.

If you come back to this post, maybe the suggestion will help, going forward.
My System SpecsSystem Spec
12 Dec 2012   #18

Windows 7 Home Premium 64 bit
Found a solution to Jerky Video issue.

I, as many others have, upgraded from Vista 32 to Win7 64. I did have installed K-Lite Video Pak Full, and no problems. Then, out of nowhere, the jerkiness started...even moving my browser around was jerky...THEN, I read in this thread that a reinstall of a 64 bit version may help. Well, Voila' worked. Just wanted to pass this on. And yes, I too had little problem with my Vista. In the end, after all the fixes by MS, it worked fine...but oh-no...I HAD to upgrade cause I was given a disc. Anyhow, all is well, and I went thru the intense registration to share this.

Powell River , BC
My System SpecsSystem Spec

 Video playback is jerky

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