Composing Discussion - Problems with Text Box in IE 9
Why can't I type in the discussion text box or other text box area in IE9?
When using Internet Explorer 9 (IE 9) there is a compatibility issue with D2L web pages. This can be resolved by clicking on the compatibility button on the address bar of your browser. See icon circled in green below.
Published: 08/31/2011 Updated: 03/27/2013