About a month ago we started having issues with Amazon Instant Video on our home entertainment PC—the videos it streams end up being choppy and stutters. For the most part it's not that bad but still really annoying, and we don't have the same issue on any of the other computers. What kind of things should I be checking to fix it?
Amazon – How to fix choppy streaming in Amazon Instant Video
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Best Answer
I have stuttering issues with Silverlight 5 in Netflix, especially after Silverlight updates. I figured out that it is a combination of settings and the video card driver being used. Silverlight does not play nice with HD or 3dp video card drivers. Try these steps if your video in Silverlight seems choppy, stutters, audio gets off, or the image looks like it is behind a pane of non-glare glass.
Change your display settings to a lower resolution, keep stepping down until you find one that works well. 1152 x 864 usually works well for Netflix streaming.
try playing with Hardware acceleration turned down or off in the display settings panel AND with it turned off in your browser.
If these work some but not all the way press (Shift+Alt) while left clicking on the video and the Silverlight manager will pop-up. Select manual and a slower stream-buffer rate.
If all else fails, try to install a slightly older video card driver and make sure the one you have is for the exact model card you are using. If the driver is compatible but not exact Silverlight will not always play smoothly on XP or Vista systems.
Good Luck, I wish you well, as SIlverlight is just a huge resource hog with older computers. It loves to steal all of your cpu, since Microsoft refuses to fix the hardware decoding/acceleration issue.