I have designed a form using a normal screen size and when I try and display the form on a wider screen I lose the formats for certain fields. Not sure why this is occurring.
What you posted is the classic description of what you get when you develop an app on a machine with one screen resolution set, then run it on a machine that has the screen resolution set higher!
If this is the case you need to use a function to upsize the forms on the higher resolution machines. Here's a link to one I've used without a problem for some time now!: