HP Downloads Treiber
http://www8.hp.com/ch/de/support.html
Dell Downloads Treiber
http://www.dell.com/support/home/de/de/dedhs1/Products/?app=drivers
Acer Downloads Treiber
http://www.acer.ch/ac/de/CH/content/drivers
Toshiba Downloads Treiber
http://www.toshiba.ch/innovation/de/generic/SUPPORT_PORTAL/