Help, I am an old Mach 2 user.. just downloaded the Mach 2 in a Dell Desktop since my last shop computer hard drive gave up the ghost.
Unfortunately it's "hit or miss" with laptops and that's why they're not supported by Artsoft.

Also, have you tried the Optimization tips for setting up Mach 3?
http://www.machsupport.com/downloads/XP_Optimization.txtDave