I usually use Firefox as my browser, very happy with it. However, this morning when I logged on, I found that there is no back button to be seen, at the top of the screen. Logged out, used Netscape for a while, but I don't really like it, so went back to Firefox - still no back button.
This has happened to me before, and my son just hits a few buttons and gets it back for me. He's off to University now, though, so I'm hoping someone else can help me. I'm woefully ignorant, sorry.