The location of this icon (or text) depends on your web browser. For a guideline, we've included two samples below. One is from Mozilla Firefox, and the other from Microsoft's Internet Explorer. These are two popular browsers, and should give most of you an example of where and what to look for.
You may also use the F5 key on your keyboard instead of clicking with the mouse.
If just clicking the button alone doesn't work, then try clicking it while holding down the CTRL key on your keyboard.
Microsoft's Internet Explorer