Oracle PeopleSoft Sign-in
PeopleSoft no longer requires Internet Explorer (IE) users to run in Compatibility view.
If you are using IE 10 or greater please ensure you turn off the IE Compatibility View mode.

How to disable Compatibility view in IE
Press Alt+T
Click on the "Compatibility View Settings"
Unselect "Display intranet sites in Compatibility View"
Click "Close"