Welcome to the forum! There are a lot of great people here willing to lend a hand anytime. Often using the Search box (at the top-left of every page) will lead you to the answers you're looking for. If not, feel free to post a question in the appropriate area.
Please take a moment to view the information here to get the most out of your iPad as well as our forum:
Regarding your question, if you're not getting an error during the backup process it's possible that it's still working. iOS 5 is a full backup, clear and restore upgrade so it will take some time depending on your broadband connection speed and other factors...several hours for some.
Have a look at this troubleshooting guide to ensure that everything will go smoothly...
Good to hear from you. You’ll find a whole bunch of iPad enthusiasts in this Forum who are only too willing to help other iPad owners and to hear of their experiences. Don’t be afraid to post any questions you may have or use the ‘Search’ button near the top of the Forum web page. I usually find I discover one new interesting and useful piece of information about my iPad every day - and often not even what I was looking for!!
Hope to hear from you soon with your thoughts about the iPad.
Have fun and enjoy your iPad
If you don’t already have it you can download a copy of the iPad manual for free.