for some reason the IE7 toolbar doesn't appear on my screen, and I cannot perform some functions such as the right mouse click, printing from toolbar etc.
what can be done
pls advise
thanks

IE7 Toolbar? I don't know what that is. Did you mean the IE7 shortcut icon? And by screen, did you mean your Windows Desktop?

Perhaps, this is what you are looking for:

Internet Explorer Menu Bar - How to Display the Menu Bar in Internet Explorer 7 - About Web Browsers