1 - does this happen on all videos on line?
2 - have you tried a DVD or CD with a video on it?
once you answer these few simple questions we can get you going from there, the likely hood of a Vid Card driver is less the .00001%
Chances are its a bad update or something in the browser you are using causing the issue.
Some thing to try
"If you are using Internet Explorer, I would suggest you to follow these steps and check if it works:
a. Open Internet Explorer.
b. Click the Tools button or press Alt key + X, and then click Internet Options.
c. Click the Advanced tab, and then browse to the Accelerated graphics section.
d. Click to select the Use software rendering instead of GPU rendering check box.
e. Click Apply, and then click OK.
f. Close all open Internet Explorer window and then test the issue."
Source:
http://answers.microsoft.com/en-us/ie/forum/ie10_cp-win...