no exit from fullscreen on laptop

The Dell laptop I am using for RPCEmu does not have an “End” key.

Is there an alternative to Ctrl-End for exiting Fullscreen mode?

You can try pressing Ctrl, then Fn, then Left/Right in order to achieve Ctrl+Home/End.
https://www.dell.com/community/Laptops-General-Read-Only/Control-Home-Control-End-Keys/td-p/5175111

You can try pressing Ctrl, then Fn, then Left/Right in order to achieve Ctrl+Home/End

Thank you for the suggestion -it works!