The larger a picture gets, especially with videos, the more stress you put on the graphics requirements. In addition, if the videos are online streaming videos, high-speed broadband is a must. The cheap, low-end internet connections just don't allow enough data to be transmitted fast enough..
You didn't really mention whether you have a good, dedicated graphics card, or whether you have a lot of RAM, but if you have neither of those, then you'll need to upgrade them if you want high quality video playback.
Either way, to diagnose much more, you'll need to give us more specific information.. Operating system? Graphics card type and amount of RAM included with it? Overall RAM installed on the machine? Internet connection speed? Etc.
Hope this helps.
Just bought the Samsung 19" 932BW monitor at Best Buy. Picture looks fine but I cant view videos in any player larger than the standard size. Anything I view when I click "fit to screen" or "fullscreen" comes in extremely choppy and pretty much unwatchable. I've installed the driver from Samsung's home page and restarted the computer and all that but still have the same problem. Not really sure what to do.
Also should mention my computer is 6 years old and basic as hell. Havent added ram/harddrives or anything else to it. Hopefully that has nothing to do with it but I have no idea.
Thanks for any replies that will be helpful.