Так установите http://support.dell.com/support/downloads/driverslist.aspx?os=WW1&catid=17&dateid=-1&impid=-1&osl=RU&typeid=-1&formatid=-1&servicetag=&SystemID=INS_PNT_PM_1525&hidos=WW1&hidlang=en&TabIndex=&scanSupported=False&scanConsent=False