There is two ways you can go about this. One contact the laptop company and tell them you are having issues or two contact microsoft and buy a new key.
I want a 350 ypvs with 375cc 7 port hans hummel barrels, a welded 400 crankshaft, A dry TZ clutch
and 3 x 8 pot nissin brake callipers grabbing 3 x 300mm disks. . .