Kalleh, thank you most kindly for the warm welcome; and yes, I do indeed
As for name and sign, I entered them as shown as a means of determining where they would appear in my thread; a requirement most eminently satisfied by noting their respective locations in your followup
However, being as yet unfamiliar with the requirements of your forum, and owing to my difficulties with the ways of Bill Gates as well as my old age and the onset of Alzheimer's, my attempt to replace them respectively as dalehileman and Dale, returned only an error message
As shu has said, you can't change your display name, you'll have to start a new account. However, if you don't mind it as it is, you can change your signature. At the top of the page, click on Go > My Space > Profile. Then clisk on View/Edit Complete Profile at the right. You can then change the signature. Click the Submit button to complete the change.