Booting in Save Mode

Is there any simple way to boot into "Safe Mode"?

I find my computer sometimes loses connection to its USB ports, and
the only way to get it back is to boot into Safe Mode, shut it down,
then turn the power off, and reboot. 

But the only way I seem to be able to get it to boot into Safe Mode is
to turn the power off while it is booting into Windows XP, and then
starting again. There must be an easier way. 


-- 
Steve Hayes from Tshwane, South Africa
Web:  http://www.khanya.org.za/stevesig.htm
Blog: http://khanya.wordpress.com
E-mail - see web page, or parse: shayes at dunelm full stop org full stop uk