On windows the mic is disabled by default, you need to HELP NUMBER +1 833 272 0777manually enable audio in, either from control panel, or from audio card mixer.
NO NO NO..... You can't mix drivers from other manufacturers. Drivers are written to make the chips for the audio to connect to the computer correctly. Go to Lenovo's web site to get the updates for your sound card.
http://www.fixya.com/answer/answerpagelistview.aspx?ctg=30&brd=196
check here for driver. you might need model designation rather than card number
http://support.creative.com/kb/showarticle.aspx?sid=61105
Good Luck