Lite-on does not recognize Lightscribe media



I have a Acer Aspire AS3810TZ laptop running Windows 7 and a Lite-On external DVD drive (model eSAU208, Lightscribe compatible). My external drive can read and write regular CD-R without any problems, but it doesn’t recognize any Lightscribe CDs (I’ve tried HP and TDK media) -> this is true for the data side of the CD, as it can label in Lightscribe mode without any issues. I have tested those Lightscribe CDs in my desktop PC with internal drive (not compatible with Lightscribe), and it can read and write data and music just fine. I’d like to have some help to solve this issue. Thanks in advance.