Need to know how to disable a password on a labtop

[http://forums.windrivers.com/cgi-bin/forum1/noncgi]

i need to know how to disable a password on my labtop. its a Sony Vaio PCG FX270 because my friend put a password on my labtop and now i cant boot in to WindowsME intil i find out how to disable the password

[DANIMAL]

two options for certain aptops are a switch under the keyboard inside and a Parralel loopback.