could also be a combination of control>alt>delete or control>shift>delete
if you are completly stuck, try ringing the company of your computer. they should be able to tell you straight away. i know its frustration though that something simple takes so much time
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.