If this is the first time using Meditech webExpanse on a particular device, you may need to set the client/device setting. Note...you may see this as a popup when you first sign in...it only has to be set up one time per device.
Click the gear in the upper left of the Meditech weExpanse screen and choose Utilities
Choose "Client Settings" from the "Utilities" menu
Click the appropriate radio button, under Generic Device.
Click the Save button