Lenovo:

http://www-307.ibm.com/pc/support/site.wss/product.do?template=/product.do?template=%2Fproductpage%2Flandingpages%2FproductPageLandingPage.vm&sitestyle=lenovo&brandind=10&familyind=267008&machineind=0&modelind=0&partnumberind=0&subcategoryind=0&doctypeind=8&doccategoryind=0&operatingsystemind=53385&validate=true
Pfad: /etc/X11/xorg.conf