You can access your library account online in order to renew books by opening the library catalog and clicking "Login" on the top right.
Enter your name and G number.
Once you've logged in, you can see your library record, select the books you want to renew from the list and click "Renew Marked." To renew all of your books, click "Renew All" :
Click YES to confirm your request and you will see a confirmation of your successful renewal and the new due date for your book:
You may receive a message that says "Renewal Failed. Please see library staff member for assistance." Your renewal might not be allowed because someone else has placed a request for the book, the book has been renewed too many times (each book can only be renewed once), or your account is set to expire before the new due date. Contact a librarian for help.