Laptop drivers links

Link for big manufacturers support pages with drivers:

Fujitsu Siemens : http://support.ts.fujitsu.com/download/Index.asp

Acer : http://us.acer.com/ac/en/US/content/drivers 

Dell : http://www.dell.com/support/home/us/en/19/Products/?app=drivers

HP : http://www8.hp.com/us/en/drivers.html