http://www-307.ibm.com/pc/support/site.wss/product .do?doctypeind=9&template=%2Fproductselection%2Fla ndingpages%2FdownloadsDriversLandingPage.vm&sitest yle=lenovo
a tam potom musis zadat IdeaPad 550 a potom presny podtyp a este pod-podtyp mas ho urcite napisany niekde na nalepke na notebooku. Tak najdes urcite spravne ovladace k wifi karte.