Sometimes users get green screen when playing videos in YouTube under internet explorer.To fix this problem go through the following steps:-

1.Open Internet Explorer.

2.Click Settings.

3.Scroll down to Internet options.

4.Click the Advanced tab.

5.Under Accelerated graphics click to select the Use software rendering instead of GPU rendering* check box.

6.Click OK/Apply.

[Note:Make sure you are using the latest graphic driver.]