If the IDE isn't working for you, and the text is greyed out in the terminal and you cannot type, you are most likely disconnected from the IDE server. This happens routinely after a period of inactivity in the IDE.

Is there a red DISCONNECTED warning at the bottom right of the terminal?

If so, you can reconnect just by clicking on the red terminal icon. If the terminal seems to be disconnected, but the icon isn't red, you can reset the connection from Packages > Learn IDE 3 > Reconnect

If you are connected, you will see the following:

If the IDE continues not to connect after attempting to do so, follow the Learn IDE Trouble Shooting Information Guidelines and send the results to a Technical Coach through Ask a Question (see if your program has Technical Coach support) or contact Technical Support by clicking the Help  icon in the lower right side of your screen. 

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