Alienware driver and software links for all M18x owners.
M18x
http://www.dell.com/support/home/us/en/04/product-support/product/alienware-m18x/drivers
M18xR2
http://www.dell.com/support/home/us/en/04/product-support/product/alienware-m18x-r2/drivers
M18x
http://www.dell.com/support/home/us/en/04/product-support/product/alienware-m18x/drivers
M18xR2
http://www.dell.com/support/home/us/en/04/product-support/product/alienware-m18x-r2/drivers