To ensure Blackboard can function properly, please use either the latest version of Firefox or the latest version of Chrome. http://www.mozilla.org/en-US/firefox/new/ http://www.google.com/chrome
Next, please check that Java is up to date. PC - http://www.java.com/en/ Mac - Apple Menu > Software Update
Please visit the following link if you require official information regarding Blackboard Supported Browsers & Operating Systems https://help.blackboard.com/en-us/Learn/9.1_SP_10_and_SP_11/Student/002_Browser_Support_SP_11
Please visit the Tech Help website and complete a service request at http://techhelp.towson.edu