System Restore Didn't work!!

Mine is Dell Studio 1435.

So did the driver download and installation work?Link to driver: http://support.dell.com/support/downloads/download.aspx?c=us&cs=04&l=en&s=bsd&releaseid=R195320&SystemID=STUDIO1435&servicetag=&os=WLH&osl=en&deviceid=1134&devlib=0&typecnt=0&vercnt=1&catid=-1&impid=-1&formatcnt=1&libid=27&fileid=269983